Table Of Contents

Caveat List for Cisco IOS Release 12.2(33)SCE

Open Caveats—Cisco IOS Release 12.2(33)SCE6

Resolved Caveats—Cisco IOS Release 12.2(33)SCE6

Open Caveats—Cisco IOS Release 12.2(33)SCE5

Resolved Caveats—Cisco IOS Release 12.2(33)SCE5

Open Caveats—Cisco IOS Release 12.2(33)SCE4

Resolved Caveats—Cisco IOS Release 12.2(33)SCE4

Open Caveats—Cisco IOS Release 12.2(33)SCE3

Resolved Caveats—Cisco IOS Release 12.2(33)SCE3

Open Caveats—Cisco IOS Release 12.2(33)SCE2

Resolved Caveats—Cisco IOS Release 12.2(33)SCE2

Open Caveats—Cisco IOS Release 12.2(33)SCE1

Resolved Caveats—Cisco IOS Release 12.2(33)SCE1

Open Caveats—Cisco IOS Release 12.2(33)SCE

Resolved Caveats—Cisco IOS Release 12.2(33)SCE

Caveat List for Cisco IOS Release 12.2(33)SCE

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This chapter describes open and resolved severity 1 and 2 caveats and select severity 3 caveats:

•The "Open Caveats" sections list open caveats that apply to the current release and may apply to previous releases. A caveat that is open for a prior release and is still unresolved applies to all future releases until it is resolved.

•The "Resolved Caveats" sections list caveats resolved in a specific release, but open in previous releases.

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Note From Cisco IOS Release 12.2(33)SCB9, 12.2(33)SCC4, 12.2(33)SCD2 and later, the Caveats section only includes the bug ID and a short description of the bug. For details on the symptoms, conditions, and workaround for a particular bug, you must use the Bug Toolkit. Click on a bug ID to view its details in the Bug Toolkit. For information on how to use the Bug Toolkit, see "Using the Bug Toolkit" section.

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Open Caveats—Cisco IOS Release 12.2(33)SCE6

Bug ID	Description
CSCsi06186	The IPv6 extended ping command is not using the selected source address.
CSCsk69275	The Internet Group Management Protocol (IGMP) query interval is changed when running with IGMPv2.
CSCsl18054	A local user created with a one-time keyword is removed after an unsuccessful login attempt.
CSCsm21287	Error message "%PRST_IFS-3-GENERAL" is observed when Cisco CMTS is initialized.
CSCsq78343	Netflow enabled catalyst 6500 switch reloads due to a bus error.
CSCsv14637	The cable power command returns an unexpected error.
CSCsy84798	QoS classification is not working at the multilink frame-relay (MFR) interface for IPv6 packets.
CSCsz16724	The [no] default-metric command is not supported on the Cisco CMTS.
CSCsz60746	A static route configured through an unnumbered interface does not show up in Routing Information Base (RIB).
CSCtb45783	The clear ip bgp vpnv4 unicast dampening command suppresses dampened routes for VPN4 prefixes.
CSCtb52191	Uptime counters do not to work on certain combination cards.
CSCtb84378	Dead memory attributed to the Border Gateway Protocol (BGP) in the output of the show memory dead | include BGP command.
CSCtc62096	Dynamic multicast service flow and reserved bandwidth exist even after the removal of the multicast QoS (MQoS) configuration from the second bonding group.
CSCtf74986	Memory usage increased from configured threshold levels causing a memory event trigger.
CSCtg47668	The show cr10k cable mac command does not display any output.
CSCtg50212	CPU spike is observed on the route processor during Field-Programmable Device (FPD) image upgrade.
CSCtg90865	A non-primary multicast interface is selected for multicast forwarding.
CSCth37580	The dampening route is present even after removing bgp dampening configuration.
CSCth74869	Parallel Express forwarding (PXF) fails when one of the load balancing link goes down. This issue is seen on the interface used by Cisco Express Forwarding (CEF).
CSCti12590	Querying "getnext" with ipCidrRouteDest returns an object identifier (OID) that is not lexicographically larger than the queried OID.
CSCti28695	The ipv6ScopeZoneIndexTable shows null interface.
CSCti41752	The static-group physical interface does not support all the subinterface numbers unlike the IOS.
CSCti47001	The line card stops responding while monitoring the cable modem statistics.
CSCti84775	The DOCSIS Timing, Communication, and Control Plus (DTCC) card in slot 2/1 does not reload after cable clock dti or no cable clock dti commands are executed.
CSCti96353	It is observed that EPC-3000 modems that use SPA downstream as primary may be assigned with Advanced Encryption Standard (AES) keys instead of 56Data Encryption Standard (DES).
CSCti97605	The input bytes counter displayed in the show interface cable command decrements, while the packet input increments; the 30 second input is consistent.
CSCtj04469	The Cisco uBR-MC20X20V line card crashed with following message in the crashdump: Unexpected exception to CPU:vector 300, PC = 0x50389C, LR = 0x50386C
CSCtj07700	Cable modems go offline when changing DOCSIS-mode from ATDMA to SCDMA or from SCDMA to ATDMA.
CSCtj11727	When a line card switchover is triggered, alignment tracebacks may occur on the new working line card.
CSCtj13148	Some UB cable modems (DPC3010) are assigned 56DES keys instead of AES keys on the line card interfaces even though they are not AES enabled.
CSCtj20099	Removal of the Internet Protocol Detail Record (IPDR) configuration causes a reboot of the standby PRE.
CSCtj25775	The Routing Information Protocol (RIP) metric for the default route re-distributed from Border Gateway Protocol (BGP) may be incorrect.
CSCtj37469	Upstream utilization percentage in the show interface cable mac-sched command may be above 100.
CSCtj45883	Memory leak may be observed when load balancing is configured on the Cisco CMTS.
CSCtj47401	A Cisco uBR-MC5X20 line card that is running SNMP commands with traffic crashes.
CSCtj48852	The hot standby communication-to-communication protocol (HCCP) protect member is not found for the Cisco uBR10-MC5X20 line card.
CSCtj50102	The entAliasMappingIdentifier object does not return the ifIndex of the interfaces associated with the Cisco Wideband SPA.
CSCtj53281	Memory leak observed on the Cisco uBR-MC3GX60V line card when spectrum management is configured.
CSCtj68730	The PacketCable Multimedia (PCMM) service flow is cleared on the Cisco CMTS; however the PS responds as "gate-set-ack" instead of "gate-set-error".
CSCtj69254	CPU HOG messages and traceback occur during a line card switchover.
CSCtj71869	The show memory command output displays the MAC domain name incorrectly.
CSCtj75483	Traceback is observed on the Cisco uBR10012 router after issuing the hw-module subslot shut command on the Cisco Wideband SPA.
CSCtj76460	Errors are reported on formatting of onboard failure logging (OBFL) flash memory in the Cisco UBR-MC20X20V line card.
CSCtj77982	The dsgIfDownstreamEntry object identifier is not created for modular cable downstream interfaces.
CSCtj79390	The byte counter values for the docsIfCmtsDownChnlCtrTotalBytes MIB object and IPDR DS-UTIL schema DsUtilTotalBytes, for the Cisco UBR-MC20x20V and Cisco uBR-MC88V integrated cable interface are different from the Cisco uBR10-MC5X20 line cards or SPAs.
CSCtj81955	The docsIfDownChannelFrequency MIB object cannot be configured to minimum value on SPA using SNMP.
CSCtj82288	If the configuration file of a cable modem with an IPv4 management address is changed to APM mode, the Cisco CMTS recognizes both IPv4 and IPv6 addresses. However, the cable modem releases the IPv4 address and becomes unpingable on that address.
CSCtj83717	The upstream bandwidth cannot be configured on the Cisco UBR-MC20X20V line card when cable monitor is configured.
CSCtj83877	The range of docsIfDownChannelPower MIB object set through SNMP is inconsistent with the range when configured using the rf-channel and rf power commands, for modular-cable and integrated-cable interfaces.
CSCtj83888	You can configure an illegal value for the docsIfDownChannelInterleave attribute when Annex is equal to A.
CSCtj84222	Tracebacks are observed while unconfiguring RCC-template from the Cisco UBR-MC20X20V cable interface line card.
CSCtj87104	The c10k_udi_info_table contains the PID for Cisco UBR-MC20X20V and Cisco uBR-MC3GX60V line cards as Cisco UBR-MC20X20V and Cisco uBR-MC3GX60V respectively. It must be changed to Cisco UBR-MC20X20V and Cisco uBR-MC3GX60V.
CSCtj87333	The non-default cable load-balance d30-ggrp-default xxxxx configuration is not reapplied to DOCSIS 3.0 General Load Balancing Group (GLBG), if the fiber node is removed and then reapplied.
CSCtj87847	Phy static-mcast should be configured on fwd_intf for static-mcast type length value (TLV).
CSCtj90049	Traceback occurs on the Cisco CMTS router when the docsIfCmtsCmStatusEntry attribute is queried for cable modems registered in IPv6 provisioning mode.
CSCtj92331	The attributes docsIf3MdChCfgChId, docsIf3MdChCfgIsPriCapableDs and docsIf3MdChCfgSfProvAttrMask cannot be set through the MIB.
CSCtj94466	The acceptance range of some SNMP nodes of which the SYNTAX type is "BITS" is incorrect.
CSCtj95258	If TLV 56 is specified in the CM config file, the test cable dbc command is unable to add new channels after CM becomes online in MTC-Mode.
CSCtj96616	The attribute ccwbRFChannelStorageType cannot be set to value volatile(2).
CSCtk00147	An source specific multicast (SSM) entry is created instead of any source multicast (ASM) entry if the ip pim ssm default command is not configured and SSM groups are joined.
CSCtk02099	Drop in packets was observed when PXF was enabled on the Cisco uBR100012 router.
CSCtk10000	Spurious memory access is observed when the no channel-group command is executed under a GigE interface.
CSCtk15093	CPE, in one multicast VPN, incorrectly receives traffic destined to a CPE in another multicast VPN.
CSCtk15612	No core file is generated when a Cisco UBR-MC20X20V line card crashes.
CSCtk31135	The value of MIB object docsIf3MdCfgCmStatusEvCtlEnabled is not set to true when the cable cm-status enable command is configured to value "8 ~ 10".
CSCtk33241	CPU hog and tracebacks are observed after a line card switchover. This issue occurs when there are a large number of Packet Cable Multimedia (PCMM) multicast gates associated with a particular line card
CSCtk35550	The show cable multicast statistic pool verbose command output does not get updated after the default MQoS is removed from Cisco CMTS.
CSCtk56047	The transition from the peak rate to the maximum sustained rate, when the burst allowance is exhausted, is slower than that specified by DOCSIS.
CSCtk56152	The route processor may crash with lots of Internet Group Management Protocol (IGMP) static groups on the bundle interface.
CSCtk56400	Traceback is observed after the IPv4 VPN is configured and deleted over 1000 times.
CSCtk59081	High CPU utilization observed after IGMP join and leave request is issued.
CSCtk62091	Traceback is observed on PRE reset.
CSCtk68678	UB modems are unable to recover all upstream channels.
CSCtk75460	After load balancing, when the cable modem (DPC2100) has moved from cable line card x/y/z to SPA card 1/0/0, the cable modem becomes layer 3 non-pingable.
CSCtk77508	The value of attributes entPhysicalFirmwareRev and SoftwareRev are lost on some interface after PRE switchover.
CSCtk82775	CPUHOG observed in the Protocol Independent Multicast (PIM) process when configuring static multicast groups on the bundle interface.
CSCtk94751	Default multicast service flow MIR is not working as per the specified multicast QoS parameters when the default MQoS is removed and reconfigured.
CSCtk97694	DCID conflict is observed between primary and secondary channels in a MAC Domain.
CSCtk99818	PRE crashes with the following error message: %CHKPT-4-GET_HUGE_BUF: Client 153 buffer requested (size = 4034) is too large
CSCtl03026	DSG tunnel statistics are displayed when the Cisco uBR10-MC5X20 line card downstream interface is in rf-shutdown state.
CSCtl05353	Multicast traffic is mapped to the incorrect Service Flow Admission Control (SFAC) bucket.
CSCtl11293	Multicast traffic with MQoS applied may not adhere to the MQoS configuration.
CSCtl12572	An assert is triggered in "lb_cm_can_move()".
CSCtl21075	SNMP query to fetch docsIf3MdNodeStatusMdUsSgId attribute returns 0 which is out of the range of MIB definition.
CSCtl21176	SNMP does not support bonding group across controller for IC.
CSCtl22266	The DOCSIS general load balancing group information is lost from the mac domain cable modem service group after a PRE switchover occurs.
CSCtl22301	When the downstream is shutdown, its ifSpeed maybe not reflect the actual speed after PRE switchover.
CSCtl23159	Duplicate MPLS pseudowires are not rejected on the CMTS.
CSCtl43778	A cable interface line card may crash when a cable modem registers with static multicast TLVs.
CSCtl46180	The show pxf cable multicast-echo command output for physical/logical static-mcast is empty after Cisco CMTS bootup.
CSCtl50170	During stress testing, CPUHOG is observed during Subscriber Account Management Interface Specification (SAMIS) operations which eventually causes PRE crash.
CSCtl51951	The value of ceAssetCLEI attribute of SPA is not displayed.
CSCtl53607	After a cable modem resets, the IPv6 CPE behind the modem is not removed from the configuration.
CSCtl54475	Cisco CMTS does not recognize TLV64.
CSCtl57234	The route processor may crash during a line card switchover, if static multicast groups are configured on the subbundle interface.
CSCtl60284	The Cisco UBR-MC20X20V line card crashes while operating the cable modem flap list.
CSCtl69379	High CPU usage is observed after the system bootup with multicast QoS.
CSCtl72835	Few wideband cable modems intermittently come online in Partial-mode.
CSCtl74296	Cisco CMTS crash is observed, when alarm status is queried and simultaneously Cisco uBR10-MC5X20H line card is reset.
CSCtl76435	Alignment issues are observed after PRE switchover and when standby PRE boots up and comes up as standby.
CSCtl79442	When an IGMP static group is removed from the subbundle interface, the multicast explicit tracking database (ETDB) is not deleted.
CSCtl83284	A cable modem cannot be moved from w-online to the online state.
CSCtl87574	The cable intercept for IPv6 traffic does not work after performing a PXF reload.
CSCtl89525	The TCS of cable modem remains unchanged when Dynamic Bonding Change (DBC) moves the cable modem to a new primary downstream.
CSCtl92608	The show cable dsg tunnel statistics command does not display service flow or drop counter information.
CSCtl98768	Traceback observed on the Cisco CMTS when new Virtual Routing and Forwarding instances (VRFs) are created and lot of IPv4 routes exist on the router.
CSCtn08616	Tracebacks are seen when the downstream service ID (DSID) assigned to primary service flow of a wideband modem is not properly accounted in the DSID management pool.
CSCtn23420	The RCC ID displayed in the output of show cable modem wideband command is zero after a PRE switchover occurs when there is a non-primary RF failure which is in down state.
CSCtn24012	CPE may fail to receive IGMP query after series of LCHA and PRE-HA.
CSCtn30971	Downstreams from other MAC domains are wrongly included in the DOCSIS 3.0 General Load Balancing Group (GLBG).
CSCtn42640	The receive channel configuration (RCC) template configuration disappears after executing show cable mac-domain rcc command.
CSCtn45552	Tracebacks and IPC failure is observed on the PRE console.
CSCtn45567	Chunk memory leak observed when static multicast is configured on both Cisco UBR-MC20X20V line cards and SPA cards.
CSCtn48532	The cable monitor outbound downstream modular-cable command configuration is lost in the standby PRE.
CSCtn52243	The DSG configuration configured via SNMP is not get reflected in the standby PRE processor engine.
CSCtn55119	The "Cr10k_diag_send_remote_cmd failed" error message is seen in the log after a PRE switchover occurs.
CSCtn55748	The show cable admission-control interface command does not display any output when mac-domain host line card is powered off.
CSCtn64461	The CPE may not receive multicast traffic when the MQoS is configured.
CSCtn70391	Ipv6 traffic is always forwarded to one port on the ethernet channel.
CSCtn73228	Traceback observed during In-Service Software Upgrade (ISSU) upgrade or downgrade process.
CSCtn79858	The "UBR10K_REDUNDANCY-4-RP_HA_STDBY_INCONSISTENT" message is displayed on the standby PRE when the line card powered off.
CSCtn85574	The show cable mac-domain upstream-service-group command displays the downstream channels that are in down state.
CSCtn89901	DOCSIS 3.0 general load balancing group configuration is lost when the Cisco CMTS reloads.
CSCtn90850	Downstream reserved bandwidth is not shown correctly after a line card switchover resulting in CIR oversubscription.
CSCtn96470	The carrier-to-noise ratio (CNR) accuracy varies on the Cisco uBR-MC3GX60 line card.
CSCtn96485	The CMTS does not reject the real time polling service (RTPS), (non real time polling service (NRTPS), and the best effort (BE) service flows.
CSCtn97482	Traceback is observed after the protect Cisco uBR-MC3GX60 line card is reset.
CSCto01086	The SPA multicast service-flow statistics is incorrect.
CSCto01314	Sometimes, aggregate multicast QoS based flows are not deleted from the interface after a line card switchover.
CSCto02925	The Cisco CMTS cannot handle re-admission of admitted service identifiers (SID) after a CMTS reboot. The messages are observed after power cycling the modems.
CSCto03572	The "cr10k_docsis_send_blocked() Err: tx failed(R=105)" error message and traceback are observed while executing the show cable call command after a PRE switchover.
CSCto18500	The line card crashed after configuring and deconfiguring the GLBG/RLBG configuration after a show modem summary command was issued.
CSCto29025	The CPE fails to get the multicast streams.
CSCto32683	Traceback seen on the Cisco CMTS with Cisco uBR-MC3GX60 line card after executing show pxf cpu queue detail command.
CSCto35285	Incorrect Unsolicited Grant Services (UGS) traffic percentage displayed in the show cable load-balance fiber-node command output.
CSCto43327	The show cable load-balance docsis-group modem-list command output does not display output if the load balancing is set to down state in the channel.
CSCto43706	DTCC card restarts after OIR of Standby PRE after a issu loadversion or issu remove version command is issued.
CSCto45408	The PRE high availability synchronization is lost after executing Dynamic Channel Change (DCC) with initialization technique 2 to 4.
CSCto47940	The downstream channel IDs are reordered while they are unique.
CSCto55350	The HCCP configuration fails when the no cable downstream-channel-id automatic command is issued followed by the cable downstream-channel-id automatic command.
CSCto55828	The static multicast configuration is not present and the CPE cannot receive multicast traffic after the is PRE configured with high availability and static multicast (TLV64).
CSCto57153	A CPE may not receive multicast traffic, if rapid channel changes occur in the background.
CSCto57658	Traceback seen on the Cisco CMTS with Cisco uBR-MC3GX60V line card after a PRE switchover.
CSCto58439	The protect standby interfaces are displayed in the DOCSIS load balancing group configuration when HCCP is configured and show running command is issued.
CSCto59206	The cable modems do not have VPN when although they are registered in the VPN configuration file.
CSCto64520	The narrowband-wideband association configuration is not removed after issuing the no card command on the Cisco CMTS.
CSCto67613	Debug counters show incorrect information.
CSCto69379	Configuring the upstream connector command during the HCCP static synchronization time may cause the standby route processor to reload.
CSCto70066	The Cisco CMTS router may crash when you reload the system after deleting the primary channel on a shared port adapter (SPA) or a remote line card.
CSCto76438	Downstream Channel Descriptor (DCD) messages are not sent out on cable downstream channels.
CSCto81183	The dynamic modulation is able to DG but not UG if the spectrum group is configured.
CSCto82289	An HCCP error is observed during the router bootup.
CSCto88136	Cable modems drop offline when the cable tftp-enforce and cable dynamic-secret mark commands are configured, and line card switchover is performed.
CSCto90667	The entries for static Explicit Tracking Database (ETDB) increase after a line card switchover.
CSCto93858	Inconsistent behavior observed on the Cisco CMTS when the CPE sends a DHCP discover message with ciaddr set to 0.0.0.0.
CSCto97035	The cable filter groups do not work correctly for traffic handled by the Route Processor.
CSCto98396	DsUtilTotalBytes and DsUtilUsedBytes in the IPDR DOCSIS-CMTS-US-UTIL-STATS-TYPE schema have incorrect values for the integrated cable interface.
CSCtq00940	The show cable modem ipv6 command output does not list static IPv6 CPEs.
CSCtq07315	Memory leak is observed on Cisco CMTS when multicast QoS is configured on the cable interface line card, and online insertion and removal of line card is performed.
CSCtq15726	Reading the Data Migration Assistant (DMA) command logging data may cause a CPUHOG.
CSCtq21291	Maximum information rate (MIR) does not work for aggregate MQoS if service class with max burst rate is configured.
CSCtq28643	Multicast address shows up wrongly as source address instead of unicast address.
CSCtq36837	The QoS group option in the modular QoS does not work when used in classmap or policymap.
CSCtq37505	The downstream identifier for the static multicast spa interface changes on a line card or PRE switchover impacting traffic.
CSCtq43624	Continuos IPC send failure messages seen after a PRE switchover.
CSCtq43664	Cable modems on a non-guardian line card go offline after a line card switchover.
CSCtq45452	CPE may not receive multicast packets after a line card HA.
CSCtq47712	The show cable filter verbose command shows incorrect counters.
CSCtq50496	Additional DSID entries and statistics indices are created for the active protect line card on the Standby Route Processor.
CSCtq50591	Multicast packets are wrongly forwarding using the default service flow after line card HA.
CSCtq53429	Traffic rate on the remote bonding group service flows is incorrect.
CSCtq56204	The Standby PRE crashes when debug cr10k ha-msg command is enabled.
CSCtq56713	During service flow creation when the CIR utilization for a wideband interface is close to its maximum limit, the following error message is displayed: UBR10K-3-QALLOCFAIL: Failure to allocate QoS queue for service flow
CSCtq58228	RCC ID mismatch is seen between the cable modem and the line card due to a Dynamic Bonding Change (DBC) failure.
CSCtq64130	Event-driven database (ETDB) entries may be missing after PRE HA.
CSCtq67631	Traceback is observed at "wb_stat_set_gur_idx_reg".
CSCtq70677	Additional dummy ETDB entries are listed for the static-multicast after VDOC configuration on the standby PRE.
CSCtq79702	Explicit Tracking Database displays broadcast address as a source of multicast.
CSCtq80033	Physical Port Administrative State Down alarm failure observed on Standby PRE for Gigabit Ethernet line cards.
CSCtq83148	Additional downstream service identifiers and Explicit Tracking Database (ETDB) entries are seen on the standby PRE after a channel change.
CSCtq86879	The Cisco CMTS does not display IPv6 CPE data when scm ipv6 cpe command is issued.
CSCtq87508	Dynamic Bonding Change (DBC) failure occurs even though a primary downstream exists in the RCC template.
CSCtq89146	The Cisco uBR10-MC5X20H line card cannot boot continuously during initial deployment when auto ROMMON upgrade feature is turned on.
CSCtq96786	The cable modem is assigned a different load balancing group after a line card switchover.
CSCtq97047	Traceback of SNMP MIB sync failure occurs on Standby PRE while setting the entPhysicalAlias.MIB object.
CSCtr01822	"%SYS-3-CPUHOG" task is triggered and runs for more than 2000 ms after a line card switchover to the protect line card.
CSCtr15141	Internet Group Management Protocol (IGMP) version3 multicast client may timeout when the maximum response time of the Cisco uBR10012 router is set to a value greater than 12 seconds.
CSCtr15894	The standby PRE resets with configuration mismatch error message when the cable igmp static-group subinterface was deleted prior to a PRE switchover.
CSCtr18675	When Layer 2 VPN is configured, the CPEs using secondary service flows do not get a DHCP IP addresses.
CSCtr32001	After a line card switchover, the working line card interface configuration is not applied correctly to the protect line card casing the modems to go offline.
CSCtr39356	The Cisco CMTS crashes due to a multicast DOSCIS bonding change call back.
CSCtr44534	The docsQosParamSet MIB object or the docsIetfQosParamSetTable MIB object returns the next entry when the background synchronization is activated.
CSCtr47118	Policy routed packets are not forwarding traffic when the outgoing interface is Multiprotocol Label Switching (MPLS) TE.
CSCtr57160	Data from direct memory access (DMA) is not getting saved completely to log file.
CSCtr57548	The show cable leasequery filter command does not display the correct lease query counter.
CSCtr61197	HCCP FAIL error message is displayed on the Cisco uBR10012 router after a PRE switchover.
CSCtr87580	Parallel Express Forwarding (PXF) stops working correctly when multicast packets are routed to the PBR which has set vrf/global action configured.
CSCtr90121	The DCD counter in the DSG tunnel does not work correctly.
CSCtr90943	The "max sustained rate" and "max rate" service flow settings are not enforced on the cable modems.
CSCtr92123	The dual-stack CPE IP address cannot be reacquired by the CMTS thus the show cable modem cpe command displays no output.
CSCtr94721	The Jib3 upstream driver details are missing from the register display.
CSCts02767	Multicast packets received by cable modems are not ordered.
CSCts04951	Encrypted traffic is blocked after line card switchover for DOCSIS3.0 CM CPE
CSCts07848	Drop in upstream throughput on Cisco uBR10-MC5X20 line cards.
CSCts11965	The HCCP-3-CFG_FAIL message is seen during line card switchover and the general load balancing group (GLBG) configuration is corrupted on the standby route processor.
CSCts12466	SAMIS is unable to collect all IPv4 address of CPEs under the cable modems, when dual stack CPEs exist.
CSCts14620	Garbage multicast entries on standby PRE.
CSCts18030	DOCSIS Set-Top Gateway (DSG) classifier group address check is incorrect.
CSCts18692	The Cisco CMTS assigns CPE MAC and IP address into wrong CM.
CSCts19608	Modems on the same cable interfaces or mac-domains do not come online on wideband or narrowband interfaces. The RCC-IDs are not displayed in the show cable mac-domain output.
CSCts20435	CPE schema record contains IPv6 link-local address (LLA) address of the CPE.
CSCts22179	Cisco uBR-MC3GX60 line card performs a silent reload.
CSCts23073	The no cable dsg tg command returns a wrong partial route calculation (PRC) value.
CSCts25440	Wideband bonding group attribute mask is checked for load-balancing.
CSCts25806	The show depi session command output does not show Downstream External PHY Interface (DEPI) EQAM statistics.
CSCts27743	Downstream Packet Intercept stops working after PXF reload.
CSCts31485	IPv6 traffic stops between CPE and CMTS when CPE is running dual-stack.
CSCts33841	%ALIGN-3-CORRECT and %ALIGN-3-TRACE error message and traceback occurs during a line card crash.
CSCts34313	The order of the DOCSIS classifiers is inverse after a route processor or line card switchover.
CSCts34791	The host is visible after enabling verification of IP addresses for cable modems using the cable source-verify command.
CSCts35917	Cable modems are getting stuck in init(io).
CSCts36709	Wrong load balance group is created automatically.
CSCts39254	Executing microcode reload all command in Cisco uBR10012 router is causing Service Independent Intercept (SII) failure.
CSCts42106	EEPROM contents on route processor (RP) for Cisco uBR10-MC5X20 line card is incorrect.
CSCts42241	DOCSIS 3.0 cable modem is not seen on modem list.
CSCts45273	Continuos display of traceback message: %SYS-2-BADSHARE.
CSCts48474	General Load Balance Group (GLBG) assignment fails for DOCSIS 3.0 cable modems that are coming back online after line card switchover and PRE switchover.
CSCts49786	The default priority for DOCSIS downstream classifier is incorrect.
CSCts54310	The IPv6 output for MAC PI is not working when access control list (ACL) or cable filter is enabled.
CSCts55186	A CPE cannot receive multicast traffic when group encryption is configured.
CSCts57957	The DEPI session configuration on the EQAM cannot be changed immediately after removing the DEPI configuration on the Cisco CMTS router.
CSCts61883	DHCPv6-related tracebacks are observed when debugging is enabled.
CSCts66074	DOCSIS 3.0 cable modems are not balanced on the Cisco CMTS router when one of the upstream channels is shut down in the MAC domain.
CSCts74849	Inconsistency in the DSG configuration is observed between the route processor and the line card.
CSCts84076	Upstream channel bonded modems (USCB) do not always select the most appropriate multi-channel bonding group as the Transmit Channel Set (TCS).
CSCts85204	The IPv6 packets may match to wrong DOCSIS downstream classifiers on PRE2.
CSCts87338	For IPv6 traffic, if the input QoS packet marking is executed, the output QoS packet marking is skipped.
CSCts88376	Cable modem goes to reject(c) mode during a downstream channel bonding (DSCB) static service flow permit test.
CSCts95882	The IP input process is high on the route processor when sending multicast traffic.
CSCtt07648	Configuration details under the DOCSIS load balance group are displayed without DOCSIS group title.
CSCtt11573	The PRE configuration is not matching the upstream configuration of line card.
CSCtt15429	A line card switchover occurs during an online insertion-removal (OIR) of an active PRE, and the RF switch incorrectly switches over to the protect line card.
CSCtt24077	ServiceFlowChSet in exported records is empty for upstream dynamic Service-Flow.
CSCtt24798	Traceback is observed when removing a tunnel interface with policy-based routing (PBR) configured.
CSCtt29620	The SAS feature causes the DHCPv6 Lease Query to fail if two-link addresses are configured.
CSCtt30287	An IPC error occurred during a fully loaded Cisco CMTS router reboot.
CSCtt40993	Topology records may not be created, if you configure an IPDR session with topology schema and logical upstream channels.
CSCtt41533	Service flow attribute masks with service class names are not considered when assigning receive channel configurations (RCCs).
CSCtt41551	The NMS application generates false alarms when MIB objects are created for pre-provisioned cards that are not physically present in the chassis.
CSCtt43134	"Spurious Memory access" traceback is sometimes observed after running the test cable dbc command.
CSCtt70223	There is inconsistent Cisco uBR-MC3GX60V controller RF-channel configuration between the active and standby route processors.
CSCtt96252	When pinging from the Cisco CMTS to the next hop Provider Edge (PE) router in Multiprotocol Label Switching (MPLS), the label is not correctly imposed when using Differential Services Code Point (DSCP) value of 0, 1, or 2.
CSCtt99712	The internal router is getting a private IP address instead of a public IP address.
CSCtu04096	Sometimes, IPv6 traffic is matched to IPv4 class map for the TCP/UDP port range.
CSCtu04125	Modular QoS CLI (MQC) does not work for IPv6 traffic when you disable PXF forwarding.
CSCtu06022	The SNMP ifOutOctets counter burst occurs during microcode reload.
CSCtu06071	IPC traceback is observed when you reset Cisco SIP-600 and Cisco Wideband SPA for multiple times.
CSCtu14142	The route processor (RP) crashes after line card and RP switchover.
CSCtu15787	Restricted load balancing group (RLBG) assignment is not working with complex fiber nodes involving an upstream overlay.
CSCtu23677	DEPI session generated via "snmp set" is not reflected on the standby Cisco uBR-MC3GX60V line card after a line card switchover.
CSCtu26597	The cable modem gets into a reject state, when using a cable modem interface mask classification.
CSCtu26682	The MCAST_IPC_HEADER_ADD_FAILURE and traceback at cmts_mcast_return_ctrlpkt_dsid_info is observed after performing a PRE switchover.
CSCtu26804	DHCPv6 failure is observed for the CPE connected to the first subbundle interface, if the DHCPv6 server is different for the subbundle interfaces.
CSCtu29682	The SNMP set operation on the docsLoadBalChnPairsRowStatus object fails.
CSCtu36182	Duplicate RCC IDs are seen on certain MAC domains.
CSCtu37762	The route processor may fail when repeating the no form of the card command.
CSCtu41290	The forwarding wideband interface reported in the update message log of dynamic multicast is incorrect.
CSCtu42671	PRE crashed with illegal access to a low address.
CSCtu43882	Different upstream codeword counter values are reported for the same cable modem.
CSCtu45811	For an IPv6 provisioned modem, the IPv6 address is offered by CNR server. However, object docsIfCmtsCmStatusInetAddress displays the linklocal address for the modem instead of the address assigned by CNR server.
CSCtu74059	When installing a line card, the line card switchover occurs to protect from the Ironbus fault.
CSCtv12661	CPUHOG and related traceback are observed even after clearing the respective counters.
CSCtw34735	The ccsCmFlapTable does not display modems that use the modular-cable primary downstream channels; however, the show cable modem flap command displays the cable modems that use the modular-cable primary downstream channels.
CSCtw44697	Spurious tracebacks are observed after a SPA online insertion and removal (OIR).
CSCtw45540	The show cable load-balance group load command displays an incorrect value for the total modem count for legacy load balancing groups.
CSCtw47052	The hw-module pre shutdown command does not work after a CMTS reload.
CSCtw48088	The packet loss duration is more than 10 seconds after the online insertion-removal (OIR) of the active PRE.
CSCtw48441	Syslog "ENT_API-4-NOPARENT" occurs as SIP and SPA reloads many times.
CSCtw49597	Some keywords of the debug ipv6 dhcp command are not displayed.
CSCtw56127	The Cisco interface line card crashed on the cmts_flap_list_cm_add_event process.
CSCtw56705	Duplicate RCCs are observed on the route processor (RP) when executing the show cable mac-domain cable x/y/z rcc rp command on a MAC domain.
CSCtw59788	The Cisco uBR-MC3GX60V line card does not display information about RCC-Template Wideband interface on the PRE.
CSCtw60150	All line cards crash after coredump is configured and the crash is tested on the standby PRE.
CSCtw61348	Silent reload of the secondary PRE is observed when editing the modulation profiles in quick succession.
CSCtw65343	The Cisco CMTS does not send the lease query to Cisco Network Registrar (CNR) when the source-verify dhcp is enabled.
CSCtw66583	Invalid unicast IP addresses are allowed to be configured as source IP in the DOCSIS Set-Top Gateway (DSG) classifier (cfr) configuration.
CSCtw66769	The Cisco uBR-MC3GX60V line card IPC timeout causes a line card switchover or a line card reload.
CSCtw67106	The show cable mac-domain rcc command displays an invalid RCC template.
CSCtw68746	The Cisco CMTS failed to create a pxf queue.
CSCtw70380	Traceback is observed after configuring the cable modem remote-query src-ip command.
CSCtw71277	After a route processor switchover, the show cable l2-vpn xcon dot1q ver command displays an incorrect CMIM value.
CSCtw77179	Multiple IPv6 static Global Unicast Address (GUA) are observed on the CPE with the same MAC address.
CSCtw79606	Downstream classifiers do not take effect after a line card switchover.
CSCtw79787	The following traceback is observed when the standby PRE takes over: %SCHED-7-WATCH: Attempt to enqueue uninitialized watched queue |(address 0). -Process= "CR10K RP HA", ipl= 0, pid= 72 -Traceback= 40AF6614 40C3F180 404243F0 40424460 401FD4A4 400EEC3C |400EEE1C
CSCtw80492	Forwarding processor (FP) classifier list for modem.
CSCtw82788	Traceback is observed on Cisco uBR-MC3GX60V line card designated as protect.
CSCtw89857	The show cable modem <mac> service-flow command indicates the "Requests" counter stuck at value 532.
CSCtw91856	Invalid DSG classifier "src-ip" and "src-prefix-len" can be configured through SNMP when the classifier is disabled.
CSCtw92186	MAC based classification fails for CPE after PRE switchover.
CSCtw93256	During system bootup, packets are dropped due to input queue full with the following error message: SNMP-3-INPUT_QFULL_ERR:
CSCtw93402	Traceback is observed at PXF_NICKEL-3-STT_PORT_ERROR during system bootup.
CSCtw93494	The Cisco uBR10-MC5X20 line card crashed after running the show interface cable key sid command.
CSCtw93504	Traceback is observed at cr10k_rp_ha_send_sync_pak during system bootup.
CSCtw93644	%SYS-2-MALLOCFAIL is observed on the line card during system bootup.
CSCtw95110	Active line card is moved to protect line card with the following message: C10KEVENTMGR-4-IRONBUS_FAULT: PXF Nickel Ironbus Length Hi Non Zero |6/1, Restarting Ironbus
CSCtw97051	The no card command fails for the Cisco uBR10-MC5X20H/U line cards.
CSCtw97705	Standby PRE crashes when no cable bundle is present.
CSCtw98544	Error message is seen on standby PRE.
CSCtw98821	The Cisco uBR-MC3GX60V line card crashes at cr10k_clc_pre_poll after multiple line card and PRE failovers.
CSCtw99846	The Cisco uBR10-MC5X20H line card crashes while running SNMP query.
CSCtx01526	The Cisco CMTS does not delete the TEK-REQ message has been in queue for longer than 10 seconds (default value).
CSCtx02442	Traceback is observed during single step ISSU.
CSCtx05188	The show inventory command shows empty "PID" field for SFP inserted into SPA card.
CSCtx05426	Throughput is not stable for modems that are using remote channels.
CSCtx07373	MAC-domain interface is shutdown after migration from Cisco uBR10-MC5X20 line card to Cisco UBR-MC20X20V line card.
CSCtx10124	Service flow ID is missed for the tunnel whose classifier has both destination and source IP out of source-specific multicast (SSM) range of IP multicast addresses.
CSCtx11732	The PRE serial number shown in the output of the show diagnostic result pre command is not correct.
CSCtx11745	The route processor (RP) crashes and switches over to the standby PRE when cdxCmCpeEntry is queried via SNMP.
CSCtx11805	The output of the show running config command shows rf-adapt as enabled, even though the rf-adapt feature is disabled.
CSCtx11981	Traceback is observed while configuring 'ip policy route-map' for management interface.
CSCtx12599	Cisco uBR10012 router displays the following message during reload: Error in license_ipc_delayed_init: Lic: End of delayed init: Platform IPC Failed to Init
CSCtx14448	Multicast DSID is lost after RP switchover.
CSCtx18475	Traceback is observed after creating or deleting sub-interface on the management port.
CSCtx24404	The Downstream Unencrypted Traffic (DUT) information is changed after a line card switchover.
CSCtx25983	The DOCSIS 3.0 Modems are going to reject(c) state.
CSCtx26044	SNMP traceback is observed after moving line card from slot 8/1 to slot 8/0.
CSCtx34060	Static multicast service flow (SF) is lost during ISSU.
CSCtx37531	The Cisco uBR-MC3GX60V line card logs a message (%BCM3142-3-READ_ERR_SEQ) and stops passing traffic.
CSCtx39816	The standby PRE cannot bootup after a switchover.
CSCtx39999	The access control list (ACL) and PXF counters are showing incorrect values on a Cisco uBR10012 router.
CSCtx41292	Upstream channels in TCS that are in error state are selected for service flow (SF) when modems create Real-Time Polling Service (rtPS) SF.
CSCtx41484	Duplicate IPv4 address is added to different CPEs.
CSCtx44487	License info is NULL and traceback is observed on the active PRE.
CSCtx45516	The Cisco uBR10012 router configured for the Lawful interception via SNMPv3 is refusing to accept the "CREATE and GO" parameters.
CSCtx48896	DHCPv6 tracebacks are seen after upgrading to Cisco IOS Release 12.2(33)SCF from Cisco IOS Release 12.2(33)SCE3.
CSCtx68432	The PRE shows high "IP input" process usage after N+1 switchover.
CSCtx68722	The voice unsolicited grant service (UGS) flows are not receiving any packet.
CSCtx69734	Invalid src-prefix-len in DOCSIS Set-Top Gateway (DSG) classifier can be configured via SNMP.
CSCtx73018	The docsIf3DsBondingGrpStatusTable is not using the correct bonding group channel set id.
CSCtx75906	The Cisco uBR-MC3GX60V line card crashes during switchover if two modems have 63 IPv6 CPEs.
CSCtx78552	Line card reports memory leak after upgrading to Cisco IOS Release 12.2(33)SCE5.
CSCtx79299	Cable modem goes offline after doing manual HCCP switchover and revertback.
CSCtx81047	Dynamic Message Integrity Check (DMIC) performance is slow when a specific CM configuration file is used for each customer.
CSCtx81924	The cable multicast auth enable default-action deny max-sessions 0 command fails to stop multicast sessions.
CSCtx87435	Neighbor cache is incorrectly created for prefix address.
CSCtx88572	CPUHOG is seen when `dsg tg' is removed from the MAC-domain.
CSCtx92091	The Cisco uBR-MC3GX60V line card crashes after the dynamic modulation is changed from 64-QAM to 16-QAM.
CSCty06206	The docsL2vpnCmTable is lost after line card switchover and revertback.
CSCty11322	Traffic is being forwarded only on one channel under wideband interface.
CSCty14040	The Cisco uBR10012 router loaded with Cisco UBR-MC20X20V line card running Cisco IOS Release 12.2(33)SCE4 reports full index table and modems are falling offline.

Resolved Caveats—Cisco IOS Release 12.2(33)SCE6

Bug ID	Description
CSCtl01672	Multicast authorization fails after line card switchover since CPE cannot receive traffic.
CSCtl44317	PRE crashes when static multicast configuration with MQoS is present on the bundle and cable interfaces, and bundle interface is removed using the no interface bundle command.
CSCtn71004	The Cisco CMTS router may crash when downstream RF channels are removed from the host interface.
CSCto63545	Line card crash observed after multicast admission control failure.
CSCto80290	Dynamic service flows are created when the dsa test command is issued causing a bandwidth mismatch on the line card and the Route Processor.
CSCtq55998	The route processor CPU is observed to be 99% and the CMTS multicast Q process is observed to be 90% when configuring nearly 100 subinterfaces with a VRF.
CSCtr16525	The standby PRE reloads automatically due to spectrum-group configuration mismatch.
CSCtr73136	The DEPI Path Redundancy (DPR) line card failover on the protect Cisco uBR-MC3GX60 line card is falsely triggered.
CSCts38429	The Cisco IOS Software Internet Key Exchange (IKE) feature contains a denial of service (DoS) vulnerability. Cisco has released free software updates that address this vulnerability. This advisory is available at the following link: http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120328-ike
CSCts43778	With multicast DSIDs, a single seq-out-of-range message may impact many cable modems and result in packet drops.
CSCts67443	Cable modem loses Layer 3 connectivity after line card switchover.
CSCts68020	The admin state of if-channel may not be correct when Downstream External PHY Interface (DEPI) session is not established.
CSCtt19430	Spectrum errors are observed on the Cisco CMTS router when running the spectrum analyzer. This issue is observed on the Cisco uBR-MC3GX60V line card.
CSCtt46542	In a redundant SSO failover setup, the active PRE4 may hang due to Cisco uBR10-MC5X20 line card crash.
CSCtu01325	Upstream frequency overlapping is observed with spectrum group configuration.
CSCtu14539	The Cisco uBR-MC3GX60V line card evaluation license expires without a Systole expiration notification, when a permanent license exists on the line card.
CSCtu16849	All cable line cards fail after a PRE failure, if only one PRE is detected.
CSCtu28044	After a PRE switchover, the cable modem database is corrupt on the active PRE.
CSCtu30636	CPU hog and traceback are seen when a fiber-node is modified on the Cisco CMTS causing a line card crash. This issue is observed when the cable downstream channel-id command is configured.
CSCtu32391	The IPC of SPA interface processors (SIPs) and DTCC cards are lost with IGMP leave or join requests.
CSCtu43595	When a cable modem is registered with DOCSIS 1.0 configuration file, the downstream MaxSusRate is changed unexpectedly by the enforced QoS profile.
CSCtu49786	Cannot ping from a switch to a directly connected Cisco CMTS router GigE interface when a QoS policy is applied on the interface of the router.
CSCtw16264	No traffic is observed on the SPA 5-GigE interface.
CSCtw18354	The show inventory command does not display the right card type for each either PRE2 (PCMCIA card) or PRE4 (compact flash card).
CSCtw45980	The 5x1GigE SPA interface does not forward dot1q L2VPN traffic after running the hw-module bay reload command.
CSCtw59911	After a PRE switchover, the modems disappear from PRE modem database, but are available line card modem database.
CSCtw62654	The standby PRE crashes several times at the c10k_remote_pre_attention_interrupt.
CSCtw80211	The docsQos3ServiceFlowChSetId of the upstream service flow is incorrect for upstream channel-bonded modems.
CSCtw95683	Traceback is observed at cr10k_message_send_rpc_blocked after a line card and PRE switchover.
CSCtw97155	The route processor crashed when cable service class command was configured.
CSCtx01420	The Cisco CMTS does not forward the "Confirm" messages sent by the IPv6 CPE to the DHCP server.
CSCtx02628	Packets drop and there is low downstream throughput from wideband modems after a Cisco uBR-MC3GX60V line card failover.
CSCtx03129	The docsIf3DsChSetChList MIB object does not popluate the bonding group channel set on the Cisco CMTS router.
CSCtx07280	Crash observed on the Cisco uBR-MC3GX60V line card. This issue was observed when multicast QoS with encryption is configured.
CSCtx30085	The Cisco uBR10-MC5X20 line card crashed with corrupted program counter.
CSCtx82632	Cable modems are unreachable when the cable modem reports a downstream service identifier (DSID) sequence error message.

Open Caveats—Cisco IOS Release 12.2(33)SCE5

Bug ID	Description
CSCsk69275	The IGMP query interval is changed when running with IGMPv2.
CSCsl18054	A local user created with a one-time keyword is removed after an unsuccessful login attempt.
CSCsm21287	Error message "%PRST_IFS-3-GENERAL" is observed when Cisco CMTS is initialized.
CSCsq78343	Netflow enabled catalyst 6500 switch reloads due to a bus error.
CSCsv14637	The cable power command returns an unexpected error.
CSCsy84798	QoS classification is not working at the multilink frame-relay (MFR) interface for IPv6 packets.
CSCsz16724	The [no] default-metric command is not supported on the Cisco CMTS.
CSCsz60746	A static route configured through an unnumbered interface does not show up in Routing Information Base (RIB).
CSCtb45783	The clear ip bgp vpnv4 unicast dampening command suppresses dampened routes for VPN4 prefixes.
CSCtb52191	Uptime counters do not to work on certain combination cards.
CSCtb84378	Dead memory attributed to the Border Gateway Protocol (BGP) in the output of the show memory dead | include BGP command.
CSCtc62096	Dynamic multicast service flow and reserved bandwidth exist even after the removal of the multicast QoS (MQoS) configuration from the second bonding group.
CSCtd62264	The cable modem is not reset and remains in w-online state When all non-primary DS channels are inactive and an RF channel is removed from the bonding group.
CSCtf74986	Memory usage increased from configured threshold levels causing a memory event trigger.
CSCtg47668	The show cr10k cable mac command does not display any output.
CSCtg50212	CPU spike are observed on the Route Processor during FPD image upgrade.
CSCtg90865	A non-primary Multicast (MC) interface is selected for multicast forwarding.
CSCth37580	The dampening route is present even after removing bgp dampening configuration.
CSCth74869	Parallel Express forwarding (PXF) fails when one of the load balancing link goes down. This issue is seen on the interface used by Cisco Express Forwarding (CEF).
CSCti12590	Querying "getnext" with ipCidrRouteDest returns an OID that is not lexicographically larger than the queried OID.
CSCti28695	The ipv6ScopeZoneIndexTable shows null interface.
CSCti41752	The static-group physical interface does not support all the subinterface numbers unlike the IOS.
CSCti47001	The line card stops responding while monitoring the cable modem statistics.
CSCti82203	Some cable modems take a longer time to register with the CMTS running Cisco IOS Release 12.2(33)SCB8 with PRE2 and with more than twenty thousand CMs connected to it.
CSCti84775	The DTCC card in slot 2/1 does not reload after cable clock dti or no cable clock dti commands are executed.
CSCti96353	It is observed that EPC-3000 modems that use SPA DS as primary may be assigned with AES keys instead of 56DES.
CSCti97605	The input bytes counter displayed in the show interface cable command decrements, while the packet input increments; the 30 second input is consistent.
CSCtj04469	The Cisco uBR-MC20x20V line card crashed with following message in the crashdump: | | |Unexpected exception to CPU :vector 300, PC = 0x50389C, LR = 0x50386C
CSCtj07700	Cable modems go offline when changing DOCSIS-mode from ATDMA to SCDMA or from SCDMA to ATDMA.
CSCtj11727	When a line card switchover is triggered, alignment tracebacks may occur on the new working line card.
CSCtj13148	Some UB cable modems (DPC3010) are assigned 56DES keys instead of AES keys on the line card interfaces even though they are not AES enabled.
CSCtj20099	Removal of the IPDR configuration causes a reboot of the standby PRE.
CSCtj25775	The RIP metric for the default route re-distributed from BGP may be incorrect.
CSCtj37469	Upstream utilization percentage in the show interface cable mac-sched command may be above 100.
CSCtj43383	DOCSIS load balance CM list is lost upon line card switchover and revertback.
CSCtj45883	Memory leak may be observed when load balancing is configured on the Cisco CMTS.
CSCtj47401	A Cisco uBR-MC5X20 line card that is running SNMP commands with traffic crashes.
CSCtj48852	The HCCP protect member is not found for the Cisco uBR10-MC5x20 line card.
CSCtj50102	The entAliasMappingIdentifier object does not return the ifIndex of the interfaces associated with the Cisco†Wideband SPA.
CSCtj53281	Memory leak observed on the Cisco uBR-MC3GX60V line card when spectrum management is configured.
CSCtj68730	The PCMM service flow is cleared on the Cisco CMTS; however the PS responds as "gate-set-ack" instead of "gate-set-error".
CSCtj69254	CPU HOG messages and traceback occur during a line card switchover.
CSCtj71869	The show memory command output displays the MAC domain name incorrectly.
CSCtj75483	Traceback is observed on the Cisco uBR10012 router after issuing the hw-module subslot shut command on the Cisco Wideband SPA.
CSCtj76460	Errors are reported on formatting of OBFL flash memory in the Cisco uBR-MC20x20V line card.
CSCtj77982	The dsgIfDownstreamEntry object identifier is not created for modular cable downstream interfaces.
CSCtj79390	The byte counter values for the docsIfCmtsDownChnlCtrTotalBytes MIB object and IPDR DS-UTIL schema DsUtilTotalBytes, for the Cisco UBR-MC20x20V and Cisco uBR-MC88V integrated cable interface are different from the Cisco UBR10-MC5X20 line cards or SPAs.
CSCtj81955	The docsIfDownChannelFrequency MIB object cannot be configured to minimum value on SPA using SNMP.
CSCtj82288	If the configuration file of a cable modem with an IPv4 management address is changed to APM mode, the Cisco CMTS recognizes both IPv4 and IPv6 addresses. However, the cable modem releases the IPv4 address and becomes unpingable on that address.
CSCtj83717	The upstream bandwidth cannot be configured on the Cisco UBR-MC20X20 line card when cable monitor is configured.
CSCtj83877	The range of docsIfDownChannelPower MIB object set through SNMP is inconsistent with the range when configured using the rf-channel and rf power commands, for modular-cable and integrated-cable interfaces.
CSCtj83888	You can configure an illegal value for the docsIfDownChannelInterleave attribute when Annex is equal to A.
CSCtj84222	Tracebacks are observed while unconfiguring RCC-template from the Cisco UBR-MC20X20V cable interface line card.
CSCtj87104	The c10k_udi_info_table contains the PID for Cisco UBR-MC20X20V and Cisco uBR-MC3GX60V line cards as UBR10-MC20X20H and UBR10-MC3GX60V respectively. It must be changed to UBR-MC20X20V and UBR-MC3GX60V.
CSCtj87333	The non-default cable load-balance d30-ggrp-default xxxxx configuration is not reapplied to DOCSIS 3.0 General Load Balancing Group (GLBG), if the fiber node is removed and then reapplied.
CSCtj87847	Phy static-mcast should be configured on fwd_intf for static-mcast TLV.
CSCtj90049	Traceback occurs on the Cisco CMTS router when the docsIfCmtsCmStatusEntry attribute is queried for cable modems registered in IPv6 provisioning mode.
CSCtj92331	The attributes docsIf3MdChCfgChId, docsIf3MdChCfgIsPriCapableDs and docsIf3MdChCfgSfProvAttrMask cannot be set through the MIB.
CSCtj94466	The acceptance range of some SNMP nodes of which the SYNTAX type is "BITS" is incorrect.
CSCtj95258	If TLV 56 is specified in the CM config file, the test cable dbc command is unable to add new channels after CM becomes online in MTC-Mode.
CSCtj96616	The attribute ccwbRFChannelStorageType cannot be set to value volatile(2).
CSCtk00147	An source specific multicast (SSM) entry is created instead of any source multicast (ASM) entry if the ip pim ssm default command is not configured and SSM groups are joined.
CSCtk02099	Drop in packets was observed when PXF was enabled on the Cisco uBR100012 router.
CSCtk10000	Spurious memory access is observed when the no channel-group command is executed under a GigE interface.
CSCtk15093	CPE, in one multicast VPN, incorrectly receives traffic destined to a CPE in another multicast VPN.
CSCtk15612	No core file is generated when a Cisco UBR-MC20X20V line card crashes.
CSCtk31135	The value of MIB object docsIf3MdCfgCmStatusEvCtlEnabled is not set to true when the cable cm-status enable command is configured to value "8 ~ 10".
CSCtk33241	CPU hog and tracebacks are observed after a line card switchover. This issue occurs when there are a large number of Packet Cable Multimedia (PCMM) multicast gates associated with a particular line card
CSCtk35550	The show cable multicast statistic pool verbose command output does not get updated after the default MQoS is removed from Cisco CMTS.
CSCtk56047	The transition from the peak rate to the maximum sustained rate, when the burst allowance is exhausted, is slower than that specified by DOCSIS.
CSCtk56152	The route processor may crash with lots of Internet Group Management Protocol (IGMP) static groups on the bundle interface.
CSCtk56400	Traceback is observed after the IPv4 VPN is configured and deleted over 1000 times.
CSCtk59081	High CPU utilization observed after IGMP join and leave request is issued.
CSCtk62091	Traceback is observed on PRE reset.
CSCtk68678	UB modems are unable to recover all upstream channels.
CSCtk75460	After load balancing, when the cable modem (DPC2100) has moved from cable line card x/y/z to SPA card 1/0/0, the cable modem becomes layer 3 non-pingable.
CSCtk77508	The value of attributes entPhysicalFirmwareRev and SoftwareRev are lost on some interface after PRE switchover.
CSCtk82775	CPUHOG observed in the Protocol Independent Multicast (PIM) process when configuring static multicast groups on the bundle interface.
CSCtk94751	Default multicast service flow MIR is not working as per the specified multicast QoS parameters when the default MQoS is removed and reconfigured.
CSCtk97694	DCID conflict is observed between primary and secondary channels in a MAC Domain.
CSCtk99818	PRE crashes with the following error message: | | |%CHKPT-4-GET_HUGE_BUF: Client 153 buffer requested (size = 4034) is too large
CSCtl01672	Multicast authorization fails after line card switchover since CPE cannot receive traffic.
CSCtl03026	DSG tunnel statistics are displayed when the Cisco uBR10-MC5X20 line card downstream interface is in rf-shutdown state.
CSCtl05353	Multicast traffic is mapped to the incorrect Service Flow Admission Control (SFAC) bucket.
CSCtl06275	Some of the call home events are not triggered properly during SPA online insertion and removal (OIR).
CSCtl11293	Multicast traffic with MQoS applied may not adhere to the MQoS configuration.
CSCtl21075	SNMP query to fetch docsIf3MdNodeStatusMdUsSgId attribute returns 0 which is out of the range of MIB definition.
CSCtl21176	SNMP does not support bonding group across controller for IC.
CSCtl22266	The DOCSIS general load balancing group information is lost from the mac domain cable modem service group after a PRE switchover occurs.
CSCtl22301	When the downstream is shutdown, its ifSpeed maybe not reflect the actual speed after PRE switchover.
CSCtl23159	Duplicate MPLS pseudowires is not rejected on the CMTS.
CSCtl43778	A cable interface line card may crash when a cable modem registers with static multicast TLVs.
CSCtl44317	PRE crashes when static multicast configuration with MQoS is present on the bundle and cable interfaces, and bundle interface is removed using the no interface bundle command.
CSCtl46180	The show pxf cable multicast-echo command output for physical/logical static-mcast is empty after Cisco CMTS bootup.
CSCtl50170	During stress testing, CPUHOG is observed during Subscriber Account Management Interface Specification (SAMIS) operations which eventually causes PRE crash.
CSCtl51951	The value of ceAssetCLEI attribute of SPA is not displayed.
CSCtl53607	After a cable modem resets, the IPv6 CPE behind the modem is not removed from the configuration.
CSCtl54475	Cisco CMTS does not recognize TLV64.
CSCtl57234	The route processor may crash during a line card switchover, if static multicast groups are configured on the subbundle interface.
CSCtl60284	The Cisco UBR-MC20X20V line card crashes while operating the cable modem flap list.
CSCtl69379	High CPU usage is observed after the system bootup with multicast QoS.
CSCtl72835	A few wideband cable modems intermittently come online in partial mode.
CSCtl74296	Cisco CMTS crash is observed, when alarm status is queried and simultaneously Cisco uBR-MC5X20H line card is reset.
CSCtl76435	Alignment issues are observed after PRE switchover and when standby PRE boots up and comes up as standby.
CSCtl79442	When an IGMP static group is removed from the subbundle interface, the multicast explicit tracking database (ETDB) is not deleted.
CSCtl83284	A cable modem cannot be moved from w-online to the online state.
CSCtl87574	The cable intercept for IPv6 traffic does not work after performing a PXF reload.
CSCtl89525	The TCS of cable modem remains unchanged when Dynamic Bonding Change (DBC) moves the cable modem to a new primary downstream.
CSCtl98768	Traceback observed on the Cisco CMTS when new Virtual Routing and Forwarding instances (VRFs) are created and lot of IPv4 routes exist on the router.
CSCtn08616	Tracebacks are seen when the downstream service ID (DSID) assigned to primary service flow of a wideband modem is not properly accounted in the DSID management pool.
CSCtn23420	The RCC ID displayed in the output of show cable modem wideband command is zero after a PRE switchover occurs when there is a non-primary RF failure which is in down state.
CSCtn24012	CPE may fail to receive IGMP query after series of LCHA and PRE-HA.
CSCtn30971	Downstreams from other MAC domains are wrongly included in the DOCSIS 3.0 General Load Balancing Group (GLBG).
CSCtn42640	The receive channel configuration (RCC) template configuration disappears after executing show cable mac-domain rcc command.
CSCtn45552	Tracebacks and IPC failure is observed on the PRE console.
CSCtn45567	Chunk memory leak observed when static multicast is configured on both Cisco UBR-MC20X20V line cards and SPA cards.
CSCtn48532	The cable monitor outbound downstream Modular-Cable command configuration is lost in the standby PRE.
CSCtn52243	The DSG configuration configured via SNMP is not get reflected in the standby PRE processor engine.
CSCtn55119	The "Cr10k_diag_send_remote_cmd failed" error message is seen in the log after a PRE switchover occurs.
CSCtn55748	The show cable admission-control interface command does not display any output when mac-domain host line card is powered off.
CSCtn64461	The CPE may not receive multicast traffic when the MQoS is configured.
CSCtn70391	Ipv6 traffic is always forwarded to one port on the ethernet channel.
CSCtn71004	The Cisco CMTS router may crash when downstream RF channels are removed from the host interface.
CSCtn73228	Traceback observed during ISSU upgrade or downgrade process.
CSCtn79858	The "UBR10K_REDUNDANCY-4-RP_HA_STDBY_INCONSISTENT" message is displayed on the standby PRE when the line card powered off.
CSCtn85574	The show cable mac-domain upstream-service-group command displays the downstream channels that are in down state.
CSCtn89901	DOCSIS 3.0 general load balancing group configuration is lost when the Cisco CMTS reloads.
CSCtn90850	Downstream reserved bandwidth is not shown correctly after a line card switchover resulting in CIR oversubscription.
CSCtn96470	The carrier-to-noise ratio (CNR) accuracy varies on the Cisco uBR-MC3GX60 line card.
CSCtn96485	The CMTS does not reject the real time polling service (RTPS), (non real time polling service (NRTPS), and the best effort (BE) service flows.
CSCtn97482	Traceback is observed after the protect Cisco uBR-MC3GX60 line card is reset.
CSCto01086	The SPA multicast service-flow statistics is incorrect.
CSCto01314	Sometimes, aggregate multicast QoS based flows are not deleted from the interface after a line card switchover.
CSCto02925	The Cisco CMTS cannot handle re-admission of admitted service identifiers (SID) after a CMTS reboot. The messages are observed after power cycling the modems.
CSCto03572	The "cr10k_docsis_send_blocked() Err: tx failed(R=105)" error message and traceback are observed while executing the show cable call command after a PRE switchover.
CSCto18500	The line card crashed after configuring and deconfiguring the GLBG/RLBG configuration after a show modem summary command was issued.
CSCto29025	The CPE fails to get the multicast streams.
CSCto32683	Traceback seen on the Cisco CMTS with uBR-MC3GX60 line card after executing show pxf cpu queue detail command.
CSCto35285	Incorrect Unsolicited Grant Services (UGS) traffic percentage displayed in the show cable load-balance fiber-node command output.
CSCto43327	The show cable load-balance docsis-group modem-list command output does not display output if the load balancing is set to down state in the channel.
CSCto43706	DTCC card restarts after OIR of Standby PRE after a issu loadversion or issu remove version command is issued.
CSCto45408	The PRE high availability synchronization is lost after executing Dynamic Channel Change (DCC) with initialization technique 2 to 4.
CSCto47940	The downstream channel IDs are reordered while they are unique.
CSCto55350	The HCCP configuration fails when the no cable downstream-channel-id automatic command is issued followed by the cable downstream-channel-id automatic command.
CSCto55828	The static multicast configuration is not present and the CPE cannot receive multicast traffic after the is PRE configured with high availability and static multicast (TLV64).
CSCto57153	A CPE may not receive multicast traffic, if rapid channel changes occur in the background.
CSCto57658	Traceback seen on the Cisco CMTS with uBR-MC3GX60V line card after a PRE switchover.
CSCto58439	The protect standby interfaces are displayed in the DOCSIS load balancing group configuration when HCCP is configured and show running command is issued.
CSCto59206	The cable modems do not have VPN when although they are registered in the VPN configuration file.
CSCto63545	Line card crash observed after multicast admission control failure.
CSCto64520	The narrowband-wideband association configuration is not removed after issuing the no card command on the Cisco CMTS.
CSCto67613	Debug counters show incorrect information.
CSCto69379	Configuring the upstream connector command during the HCCP static synchronization time may cause the standby route processor to reload.
CSCto70066	The Cisco CMTS router may crash when you reload the system after deleting the primary channel on a shared port adapter (SPA) or a remote line card.
CSCto76438	Downstream Channel Descriptor (DCD) messages are not sent out on cable downstream channels.
CSCto82289	An HCCP error is observed during the router bootup.
CSCto88136	Cable modems drop offline when the cable tftp-enforce and cable dynamic-secret mark commands are configured, and line card switchover is performed.
CSCto90667	The entries for static ETDB increase after a line card switchover.
CSCto93858	Inconsistent behavior observed on the Cisco CMTS when the CPE sends a DHCP discover message with ciaddr set to 0.0.0.0.
CSCto97035	The cable filter groups do not work correctly for traffic handled by the Route Processor.
CSCto98396	DsUtilTotalBytes and DsUtilUsedBytes in the IPDR DOCSIS-CMTS-US-UTIL-STATS-TYPE schema have incorrect values for the integrated cable interface.
CSCtq00940	The show cable modem ipv6 command output does not list static IPv6 CPEs.
CSCtq07315	Memory leak is observed on Cisco CMTS when multicast QoS is configured on the cable interface line card, and online insertion and removal of line card is performed.
CSCtq15726	Reading the DMA command logging data may cause a CPUHOG.
CSCtq21291	MIR does not work for aggregate MQoS if service class with max burst rate is configured.
CSCtq28643	Multicast address shows up wrongly as source address instead of unicast address.
CSCtq36837	The QoS group option in the modular QoS does not work when used in class map or policy map.
CSCtq37505	The downstream identifier for the static multicast spa interface changes on a line card or PRE switchover impacting traffic.
CSCtq43624	Continuos IPC send failure messages seen after a PRE switchover.
CSCtq43664	Cable modems on a non-guardian line card go offline after a line card switchover.
CSCtq45452	CPE may not receive multicast packets after a line card HA.
CSCtq47712	The show cable filter verbose command shows incorrect counters.
CSCtq50496	Additional DSID entries and statistics indices are created for the active protect line card on the Standby Route Processor.
CSCtq50591	Multicast packets are wrongly forwarding using the default service flow after line card HA.
CSCtq53429	Traffic rate on the remote bonding group service flows is incorrect.
CSCtq55998	The route processor CPU is observed to be 99% and the CMTS multicast Q process is observed to be 90% when configuring nearly 100 subinterfaces with a VRF.
CSCtq56204	The Standby PRE crashes when debug cr10k ha-msg command is enabled.
CSCtq56713	During service flow creation when the CIR utilization for a WB interface is close to its maximum limit, the following error message is displayed: | | UBR10K-3-QALLOCFAIL: Failure to allocate QoS queue for service |flow
CSCtq58228	RCC ID mismatch is seen between the cable modem and the line card due to a Dynamic Bonding Change (DBC) failure.
CSCtq64130	Event-driven database (ETDB) entries may be missing after PRE HA.
CSCtq70677	Additional dummy ETDB entries are listed for the static-multicast after VDOC configuration on the standby PRE.
CSCtq79702	Explicit Tracking Database displays broadcast address as a source of multicast.
CSCtq80033	Physical Port Administrative State Down alarm failure observed on Standby PRE for Gigabit Ethernet line cards.
CSCtq83148	Additional downstream service identifiers and Explicit Tracking Database (ETDB) entries are seen on the standby PRE after a channel change.
CSCtq86879	The Cisco CMTS does not display IPv6 CPE data when scm ipv6 cpe command is issued.
CSCtq87508	Dynamic Bonding Change (DBC) failure occurs even though a primary downstream exists in the RCC template.
CSCtq89146	The Cisco uBR-MC5X20H cannot boot continuously during initial deployment when auto ROMMON upgrade feature is turned on.
CSCtq96786	The cable modem is assigned a different load balancing group after a line card switchover.
CSCtq97047	Traceback of SNMP MIB sync failure occurs on Standby PRE while setting the entPhysicalAlias.MIB object.
CSCtr01822	"%SYS-3-CPUHOG" task is triggered and runs for more than 2000 ms after a line card switchover to the protect line card.
CSCtr15894	The standby PRE resets with configuration mismatch error message when the cable igmp static-group subinterface was deleted prior to a PRE switchover.
CSCtr16525	The standby PRE reloads automatically due to spectrum-group configuration mismatch.
CSCtr18675	When Layer 2 VPN is configured, the CPEs using secondary service flows do not get a DHCP IP addresses.
CSCtr32001	After a line card switchover, the working line card interface configuration is not applied correctly to the protect line card casing the modems to go offline.
CSCtr44534	The docsQosParamSet MIB object or the docsIetfQosParamSetTable MIB object returns the next entry when the background synchronization is activated.
CSCtr57548	The show cable leasequery filter command does not display the correct lease query counter.
CSCtr61197	HCCP FAIL error message is displayed on the Cisco uBR10012 router after a PRE switchover.
CSCtr73136	The DEPI Path Redundancy (DPR) line card failover on the protect Cisco uBR-MC3GX60 line card is falsely triggered.
CSCtr75646	The cable bundle stopped processing IPv6 traffic.
CSCtr87580	Parallel Express Forwarding (PXF) stops working correctly when multicast packets are routed to the PBR which has set vrf/global action configured.
CSCtr90121	The DCD counter in the DSG tunnel does not work correctly.
CSCtr92123	The dual-stack CPE IP address cannot be reacquired by the CMTS thus the show cable modem cpe command displays no output.
CSCtr94721	The Jib3 upstream driver details are missing from the register display.
CSCts04951	Encrypted traffic is blocked after line card switchover for DOCSIS3.0 CM CPE
CSCts11965	The HCCP-3-CFG_FAIL message is seen during line card switchover and the general load balancing group (GLBG) configuration is corrupted on the standby route processor.
CSCts12466	SAMIS is unable to collect all IPv4 address of CPEs under the cable modems, when dual stack CPEs exist.
CSCts14620	Garbage multicast entries on standby PRE.
CSCts18692	The Cisco CMTS assigns CPE MAC and IP address into wrong CM.
CSCts19608	Modems on the same cable interfaces or mac-domains do not come online on wideband or narrowband interfaces. The RCC-IDs are not displayed in the show cable mac-domain output.
CSCts23073	The no cable dsg tg command returns a wrong partial route calculation (PRC) value.
CSCts25806	The show depi session command output does not show Downstream External PHY Interface (DEPI) EQAM statistics.
CSCts31485	IPv6 traffic stops between CPE and CMTS when CPE is running dual-stack.
CSCts33841	%ALIGN-3-CORRECT and %ALIGN-3-TRACE error message and traceback occurs during a line card crash.
CSCts34313	The order of the DOCSIS classifiers is inverse after a route processor or line card switchover.
CSCts34791	The host is visible after enabling verification of IP addresses for cable modems using the cable source-verify command.
CSCts35917	Cable modems are getting stuck in init (io).
CSCts36709	Wrong load balance group is created automatically.
CSCts42106	EEPROM contents on route processor (RP) for Cisco uBR10-MC5X20 line card is incorrect.
CSCts42241	DOCSIS 3.0 cable modem is not seen on modem list.
CSCts43778	With multicast DSIDs, a single seq-out-of-range message may impact many cable modems and result in packet drops.
CSCts49749	The following error messages are observed after deleting cable modems: | | %UBR7200-4-LB_CM_LIST_MISMATCH_ENTRY
CSCts49786	The default priority for DOCSIS downstream classifier is incorrect.
CSCts55186	A CPE cannot receive multicast traffic when group encryption is configured.
CSCts57957	The DEPI session configuration on the EQAM cannot be changed immediately after removing the DEPI configuration on the Cisco CMTS router.
CSCts66074	DOCSIS 3.0 cable modems are not balanced on the Cisco CMTS router when one of the upstream channels is shut down in the MAC domain.
CSCts67443	Cable modem loses Layer 3 connectivity after line card switchover.
CSCts68020	The admin state of rf-channel may not be correct when Downstream External PHY Interface (DEPI) session is not established.
CSCts74849	Inconsistency in the DSG configuration is observed between the route processor and the line card.
CSCts85204	The IPv6 packets may match to wrong DOCSIS downstream classifiers on PRE2.
CSCts87338	For IPv6 traffic, if the input QoS packet marking is executed, the output QoS packet marking is skipped.
CSCts95882	The IP input process is high on the route processor when sending multicast traffic.
CSCtt07648	Configuration details under the DOCSIS load balance group are displayed without DOCSIS group title.
CSCtt24798	Traceback is observed when removing a tunnel interface with policy-based routing (PBR) configured.
CSCtt30287	An IPC error occurred during a fully loaded Cisco CMTS router reboot.
CSCtt40993	Topology records may not be created, if you configure an IPDR session with topology schema and logical upstream channels.
CSCtt41533	Service flow attribute masks with service class names are not considered when assigning receive channel configurations (RCCs).
CSCtt41551	The NMS application generates false alarms when MIB objects are created for preprovisioned cards that are not physically present in the chassis.
CSCtt46542	In a redundant SSO failover setup, the active PRE4 may hang due to Cisco uBR10-MC5X20 line card crash.
CSCtt99712	The internal router is getting a private IP address instead of a public IP address.
CSCtu02253	Dynamic channel change (DCC) failure is observed on high upstream usage.
CSCtu04096	Sometimes, IPv6 traffic is matched to IPv4 class map for the TCP/UDP port range.
CSCtu04125	Modular QoS CLI (MQC) does not work for IPv6 traffic when you disable PXF forwarding.
CSCtu06022	The SNMP ifOutOctets counter burst occurs during microcode reload.
CSCtu06071	IPC traceback is observed when you reset Cisco SIP-600 and Cisco Wideband SPA for multiple times.
CSCtu15575	Traceback is observed after issuing the issu linecard changeversion command with the all keyword.
CSCtu15787	Restricted load balancing group (RLBG) assignment is not working with complex fiber nodes involving an upstream overlay.
CSCtu16849	All cable line cards fail after a PRE failure, if only one PRE is detected.
CSCtu26597	The cable modem gets into a reject state, when using a cable modem interface mask classification.
CSCtu26804	DHCPv6 failure is observed for the CPE connected to the first subbundle interface, if the DHCPv6 server is different for the subbundle interfaces.
CSCtu28044	After a PRE switchover, the cable modem database is corrupt on the active PRE.
CSCtu29682	The SNMP set operation on the docsLoadBalChnPairsRowStatus object fails.
CSCtu32391	The IPC of SPA interface processors (SIPs) and DTCC cards are lost with IGMP leave or join requests.
CSCtu33913	Sometimes, a hardware failure leads to Ironbus problems, and the Cisco SIP-600 is unable to recover after a PRE failover.
CSCtu34446	The show cable leasequery-filter command output does not list lease query counters.
CSCtu36182	Duplicate RCC IDs are seen on certain MAC domains.
CSCtu37762	The route processor may fail when repeating the no form of the card command.
CSCtu39001	Wideband cable modems are online but Layer 3 is not pingable due to wedged interfaces.
CSCtu40672	OSPF is stuck in the init state even if the interface is up.
CSCtu49786	Cannot ping from a switch to a directly connected Cisco CMTS router GiGE interface when a QoS policy is applied on the router's interface.
CSCtu74059	When installing a line card, the line card switchover occurs to protect from the Ironbus fault.
CSCtw44697	Spurious tracebacks are observed after a SPA online insertion and removal (OIR).
CSCtw54583	If an unsupported SFP is plugged into one or more of the Cisco uBR-MC3GX60V line card ports, the card may not boot.

Resolved Caveats—Cisco IOS Release 12.2(33)SCE5

Bug ID	Description
CSCso99283	A Cisco router or switch may experience a crash when running commands with large output through a KRON job.
CSCsq98066	Removing secondary IP address in VRF causes assert and traceback messages.
CSCsr62545	The active RPM-XF card crashes on reset.
CSCsw59020	A crash occurs on Onboard Failure Logging (OBFL) voltage application when line card OIR is performed and a clear logging command is issued.
CSCsz39222	The Cisco CMTS reloads and crash file indicates a cache error.
CSCtb61594	The standby router continues to reload while shutting down the sessions.
CSCtd68946	The NTP clock-period error compensation causes an approximate 5 second drift in the local system clock over a 24-hour period.
CSCtf71673	A Cisco router shows a PRE crash due to memory corruption with block overrun.
CSCtg48785	The show x25 hunt-group command generates the following error: | | %DATACORRUPTION-1-DATAINCONSISTENCY: copy error
CSCtk66954	SPA channels are not included in the DOCSIS3.0 GLBG that is generated by the CMTS based on fiber node configuration.
CSCtl42030	Using the show cable modem ip qos command can result in inaccurate downstream service flow throughput rate display.
CSCtl90291	The Cisco uBR-MC5x20H line card crashed after an upstream service flow was deleted when the bandwidth request was received for the same service flow.
CSCtl97410	All line cards crash when the reload of the chassis is performed.
CSCtn66056	A memory leak is caused by repeated Downstream External PHY Interface (DEPI) or Layer 2 Tunneling Protocol (L2TP) session disconnects.
CSCtn88423	The cable modem does not come online and displays the "No Space in RP srv flow table" error.
CSCto47645	Cable modems are not reachable after an OIR of the Cisco uBR10-MC3GX60V line card.
CSCto72927	Configuring an event manager policy and copying it to the device, causes the device to stop responding.
CSCto85792	Configuring 16-channel bonding groups causes multiple line card crashes when 16-channel modems attempt to register with the M-CMTS.
CSCtq71852	After transferring a license from one line card to another line card, show license detail and show license all commands do not display accurate output.
CSCtq80874	The CMTS reports two DHCPv6 IA_NA addresses assigned as a router instead of one router.
CSCtq93929	Cable modems within a fiber node are moved to another restricted load balancing group in another fiber node when load balancing is configured on the Cisco uBR10012 router.
CSCtq94616	Cable modems are not in w-online state and channel bonding association entries are not displayed. This issue is seen on Cisco uBR10012 router with a Cisco Wideband SPA.
CSCtq98731	Route processor service flow error messages do not appear on the console when default MQoS is configured.
CSCtr28857	A vulnerability in the Multicast Source Discovery Protocol (MSDP) implementation of Cisco IOS Software and Cisco IOS XE Software could allow a remote, unauthenticated attacker to cause a reload of an affected device. Repeated attempts to exploit this vulnerability could result in a sustained denial of service (DoS) condition. Cisco has released free software updates that address this vulnerability. Workarounds that mitigate this vulnerability are available. This advisory is available at the following link: http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120328-msdp
CSCtr44391	Multicast traffic is interrupted after a line card switchover.
CSCtr44902	Cable modems are assigned incorrect Restricted Load Balancing Group (RLBG) when not assigned to the fiber node configuration.
CSCtr57109	The following error messages are displayed on the Cisco uBR10012 router: | | No information on VLAN
CSCtr57476	The Cisco uBR10012 router crashes due to memory corruption when the show cable memory command is issued.
CSCtr59593	When copying a configuration file to the startup configuration, the startup configuration allows the same DOCSIS Setup Gateway (DSG) channels to be configured to multiple mac-domains.
CSCtr73677	Performance Routing Engine (PRE) shows high CPU usage when modular and wideband interfaces are shutdown.
CSCtr75390	Inter Process Communication (IPC) goes down between the line card and the guardian line card after an upgrade.
CSCtr82685	Duplicate IPv6 link local addresses are learnt as cable modems or CPE entries. This causes the show commands to display incorrect entries.
CSCtr91106	A vulnerability exists in the Cisco IOS Software that may allow a remote application or device to exceed its authorization level when authentication, authorization, and accounting (AAA) authorization is used. This vulnerability requires that the HTTP or HTTPS server is enabled on the Cisco IOS device. Products that are not running Cisco IOS Software are not vulnerable. Cisco has released free software updates that address these vulnerabilities. The HTTP server may be disabled as a workaround for the vulnerability described in this advisory. This advisory is available at the following link: http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20120328-pai
CSCtr92542	The show interface upstream causes a crash on Cisco uBR-MC3GX60 line card.
CSCtr96070	Internet Protocol Detail Record (IPDR) processing stops due to an unknown reason.
CSCtr96100	Unexpected debug messages and tracebacks are shown on the console during a line card switchover.
CSCtr97838	Cisco CMTS is behaving in an inconsistent manner when ciaddr is set to 0.0.0.0
CSCts11717	Cable modem upstream interfaces on the Cisco uBR-MC3GX60 line card are not available for SNMP polling.
CSCts12275	Policy-based routing does not work with cable intercept functionality on the Cisco CMTS router.
CSCts15892	The CM on the modular interface may go offline during In-Service Software Upgrade (ISSU).
CSCts17208	Replacement of the Cisco Wideband SPA causes the line card to crash and the PRE to become unresponsive.
CSCts17247	The Cisco uBR10012 router is unable to communicate with external IP address via Ethernet interface on HHGE.
CSCts23681	Wrong Packet Size Distribution in histogram for Netflow.
CSCts27733	Modems are no longer displayed in the modem list of the load balancing group (LBG) after a line card switchover.
CSCts28796	DOCSIS Set-Top Gateway (DSG) cannot be configured on the cable interface.
CSCts30602	The no ipdr session id or no ipdr collector name command reloads the standby PRE
CSCts38683	Cisco uBR-MC3GX60 line card loses rf-channel packets.
CSCts42512	The SNMP object ccacUsBGEntry has a slow response with upstream bonding groups.
CSCts55072	Wideband cable modems go offline on a Cisco uBR10-MC20X20 line card.
CSCts58257	When a layer 3 IPv6 configuration on the bundle interface changes, the IPv4 cable modems also go offline.
CSCts63955	The output of the show cable modem wideband and show cable mac-domain cable rcc is not matching the receive channel configuration (RCC) ID and MAC Domain Downstream Service Group ID (MD-DS-SG) in an uBR10012 router running Cisco IOS Release 12.2(33)SCF.
CSCts96422	%C4K_HWPORTMAN-4-BLOCKEDTXQUEUE error occur on the GigE link between RF Gateway 10 and the Cisco uBR10012.
CSCtt04589	After a PRE switchover, %SCHED-3-STILLWATCHING traceback is seen on the active PRE.
CSCtt07649	The CM steering feature does not work if there is even one DOCSIS 3.0 modem with RF issues in the plant.
CSCtt11926	Dynamic Service flows for PCMM voice fail due to "0" length TLV sent by the Cisco CMTS.
CSCtt33821	The Cisco UBR-MC20X20 line card crashes to ROMMON prompt when the format bootflash command is executed on the line card.
CSCtt34778	Defaults values for the switchover pxf restart are not displayed in the output for the show run all command.
CSCtt62387	Packet counters do not match with MPEG frames when the ccwbRFChannelMpegPkts MIB is used on the Cisco uBR-MC3GX60V line card.
CSCtt70139	The following error message occurs on Cisco uBR-MC3GX60V line card: SLOT 7/1: %SANTANA-3-DS_JIB_ERROR: DS JIB Santana FPGA Error detected and corrected
CSCtu00845	High CPU causes DEPI session flaps resulting in false detection of failure and N+1 line card failover.
CSCtu04464	The SIP-600 card fails to get interprocess communication (IPC) information from the route processor (RP) after performing ISSU MDR several times.
CSCtu05703	Standby PRE sometimes cannot take over from the Active PRE through send break.
CSCtu05781	The Cisco CMTS crashes during voice calls.

Open Caveats—Cisco IOS Release 12.2(33)SCE4

Bug ID	Description
CSCtc62096	Dynamic multicast service flow and reserved bandwidth exist even after the removal of the multicast QoS (MQoS) configuration from the second bonding group.
CSCte42876	The CMTS may stop forwarding traffic when it receives a broadcast packet or a IP packet with multicast VPN (MVPN) multicast distribution tree (MDT) options set.
CSCtf74986	Memory usage increased from configured threshold levels causing a memory event trigger.
CSCtg47668	The show cr10k cable mac command does not display any output.
CSCtg90865	A non-primary Multicast (MC) interface is selected for multicast forwarding.
CSCth96329	The cable modems in Subscriber Traffic Management (STM) is not getting out of penalty after the PRE or line card switchover.
CSCti12590	Querying "getnext" with ipCidrRouteDest returns an OID that is not lexicographically larger than the queried OID.
CSCti28695	The ipv6ScopeZoneIndexTable shows null interface.
CSCti41752	The static-group physical interface does not support all the subinterface numbers unlike the IOS.
CSCti77209	CPUHOG messages may be seen when SNMP polling is performed with load balancing enabled.
CSCti82203	Some cable modems take a longer time to register with the CMTS running Cisco†IOS†Release 12.2(33)SCB8 with PRE2 and with more than twenty thousand CMs connected to it.
CSCti96353	It is observed that EPC-3000 modems that use SPA DS as primary may be assigned with AES keys instead of 56DES.
CSCtj17350	Traceback occurs when show depi tunnel command is configured without DEPI Control Plane.
CSCtj43383	DOCSIS load balance CM list is lost upon line card switchover and revertback.
CSCtj45883	Memory leak may be observed when load balancing is configured on the Cisco CMTS.
CSCtj53281	Memory leak observed on the Cisco uBR-MC3GX60V line card when spectrum management is configured.
CSCtj69254	CPU HOG messages and traceback occur during a line card switchover.
CSCtj87847	Phy static-mcast should be configured on fwd_intf for static-mcast TLV.
CSCtj95258	If TLV 56 is specified in the CM config file, the test cable dbc command is unable to add new channels after CM becomes online in MTC-Mode.
CSCtk15093	CPE, in one multicast VPN, incorrectly receives traffic destined to a CPE in another multicast VPN.
CSCtk66954	SPA channels are not included in the DOCSIS3.0 GLBG that is generated by the CMTS based on fiber node configuration.
CSCtl06275	Some of the call home events are not triggered properly during SPA online insertion and removal (OIR).
CSCtl11293	Multicast traffic with MQoS applied may not adhere to the MQoS configuration.
CSCtl22266	The DOCSIS general load balancing group information is lost from the mac domain cable modem service group after a PRE switchover occurs.
CSCtl46180	The show pxf cable multicast-echo command output for physical/ logical static-mcast is empty after Cisco CMTS bootup.
CSCtl50170	During stress testing, CPUHOG is observed during Subscriber Account Management Interface Specification (SAMIS) operations which eventually causes PRE crash.
CSCtl53607	After a cable modem resets, the IPv6 CPE behind the modem is not removed from the configuration.
CSCtl54475	Cisco CMTS does not recognize TLV64.
CSCtl72835	Few wideband cable modems intermittently come online in Partial-mode.
CSCtl90291	The Cisco uBR-MC5x20H line card crashed after an upstream service flow was deleted when the bandwidth request was received for the same service flow.
CSCtl97410	All line cards crash when the reload of the chassis is performed.
CSCtn30971	Downstreams from other MAC domains are wrongly included in the DOCSIS 3.0 General Load Balancing Group (GLBG).
CSCtn64257	The following error message is seen indicating that the DEPI session could not be found for deletion: | | 00:03:17: %RFGW-4-LINECARD_ERRMSG_WARNING: SLOT 3:can not find |DEPI session 1073742199 (0x40000177) for deletion
CSCtn64461	The CPE may not receive multicast traffic when the MQoS is configured.
CSCtn88423	The cable modem does not come online and displays the "No Space in RP srv flow table" error.
CSCtn90850	Downstream reserved bandwidth is not shown correctly after a line card switchover resulting in CIR oversubscription.
CSCtn96470	The carrier-to-noise ratio (CNR) accuracy varies on the Cisco uBR-MC3GX60 line card.
CSCto01086	The SPA multicast service-flow statistics is incorrect.
CSCto02925	The Cisco CMTS cannot handle re-admission of admitted service identifiers (SID) after a CMTS reboot. The messages are observed after power cycling the modems.
CSCto47645	Cable modems are not reachable after an OIR of the Cisco uBR10-MC3GX60V line card.
CSCto47940	The downstream channel IDs are reordered while they are unique.
CSCto55350	The HCCP configuration fails when the no cable downstream-channel-id automatic command is issued followed by the cable downstream-channel-id automatic command.
CSCto55828	The static multicast configuration is not present and the CPE cannot receive multicast traffic after the is PRE configured with high availability and static multicast (TLV64).
CSCto57658	Traceback seen on the Cisco CMTS with uBR-MC3GX60V line card after a PRE switchover.
CSCto66674	Traceback was observed on the Cisco CMTS after large number of wideband connections were configured.
CSCto67613	Debug counters show incorrect information.
CSCto76438	Downstream Channel Descriptor (DCD) messages are not sent out on cable downstream channels.
CSCto79524	High CPU usage was observed when working with the cpwVcMplsNonTeMappingEntry SNMP tables.
CSCto88136	Cable modems drop offline when the cable tftp-enforce and cable dynamic-secret mark commands are configured, and line card switchover is performed.
CSCto89600	The Cisco UBR-MC20x20V line card takes some time to boot up on a PRE2 after reload. High CPU utilization on IP Input and CMTS multicast queue process is also observed during that boot up period.
CSCto93858	Inconsistent behavior observed on the Cisco CMTS when the CPE sends a DHCP discover message with ciaddr set to 0.0.0.0.
CSCto97035	The cable filter groups do not work correctly for traffic handled by the Route Processor.
CSCtq07315	Memory leak is observed on Cisco CMTS when multicast QoS is configured on the cable interface line card, and online insertion and removal of line card is performed.
CSCtq21291	MIR does not work for aggregate MQoS if service class with max burst rate is configured.
CSCtq28643	Multicast address shows up wrongly as source address instead of unicast address.
CSCtq36837	The QoS group option in the modular QoS does not work when used in classmap or policymap.
CSCtq37505	The downstream identifier for the static multicast spa interface changes on a line card or PRE switchover impacting traffic.
CSCtq43624	Continuos IPC send failure messages seen after a PRE switchover.
CSCtq43664	Cable modems on a non-guardian line card go offline after a line card switchover.
CSCtq45452	CPE may not receive multicast packets after a line card HA.
CSCtq47448	High upstream utilization is observed on a Cisco uBR-MC20x20V line card after fail over to the protect line card.
CSCtq47712	The show cable filter verbose command shows incorrect counters.
CSCtq48064	Modular QoS functionality does not work with no service pxf command for packets processed by the route processor.
CSCtq50496	Additional DSID entries and statistics indices are created for the active protect line card on the Standby Route Processor.
CSCtq50591	Multicast packets are wrongly forwarding using the default service flow after line card HA.
CSCtq55998	The route processor CPU is observed to be 99% and the CMTS multicast Q process is observed to be 90% when configuring nearly 100 subinterfaces with a VRF.
CSCtq56204	The Standby PRE crashes when debug cr10k ha-msg command is enabled.
CSCtq56713	The following error message is displayed during service flow creation when the CIR utilization for a WB interface is close to its maximum limit. | | UBR10K-3-QALLOCFAIL: Failure to allocate QoS queue for service flow
CSCtq58228	RCC ID mismatch is seen between the cable modem and the line card due to a Dynamic Bonding Change (DBC) failure.
CSCtq64130	Event-driven database (ETDB) entries may be missing after PRE HA.
CSCtq70677	Additional dummy ETDB entries are listed for the static-multicast after VDOC configuration on the standby PRE.
CSCtq79702	Explicit Tracking Database displays broadcast address as a source of multicast.
CSCtq80033	Physical Port Administrative State Down alarm failure observed on Standby PRE for Gigabit Ethernet line cards.
CSCtq80874	The CMTS reports two DHCPv6 IA_NA addresses assigned as a router instead of one router.
CSCtq83148	Additional downstream service identifiers and Explicit Tracking Database (ETDB) entries are seen on the standby PRE after a channel change.
CSCtq86879	The Cisco CMTS does not display IPv6 CPE data when scm ipv6 cpe command is issued.
CSCtq87508	Dynamic Bonding Change (DBC) failure occurs even though a primary downstream exists in the RCC template.
CSCtq89146	The Cisco uBR-MC5X20H cannot boot continuously during initial deployment when auto ROMMON upgrade feature is turned on.
CSCtq93929	Cable modems within a fiber node are moved to another restricted load balancing group in another fiber node when load balancing is configured on the Cisco uBR10012 router.
CSCtq94616	Cable modems are not in w-online state and channel bonding association entries are not displayed. This issue is seen on Cisco uBR100212 router with a Cisco Wideband SPA.
CSCtq96786	The cable modem is assigned a different load balancing group after a line card switchover.
CSCtq97047	Traceback of SNMP MIB sync failure occurs on Standby PRE while setting the entPhysicalAlias.MIB object.
CSCtq98731	Route processor service flow error messages do not appear on the console when default MQoS is configured.
CSCtr01822	"%SYS-3-CPUHOG" task is triggered and runs for more than 2000 ms after a line card switchover to the protect line card.
CSCtr09780	Upstream load is not balanced for narrowband mode cable modems using the utilization method.
CSCtr15894	The standby PRE resets with configuration mismatch error message when the cable igmp static-group subinterface was deleted prior to a PRE switchover.
CSCtr18675	When Layer 2 VPN is configured, the CPEs using secondary service flows do not get a DHCP IP addresses.
CSCtr24095	The line card crashes due to SNMP memory corruption. This issue is observed on the Cisco uBR10012 router with a Cisco UBR-MC20X20 line card configured.
CSCtr32001	After a line card switchover, the working line card interface configuration is not applied correctly to the protect line card casing the modems to go offline.
CSCtr39356	The Cisco CMTS crashes due to a multicast DOSCIS bonding change call back.
CSCtr43429	The cable modem gets stuck during initialization after being reloaded due to failure in reaching the cable modem configuration file.
CSCtr44391	Multicast traffic is interrupted after a line card switchover.
CSCtr44534	The docsQosParamSet MIB object or the docsIetfQosParamSetTable MIB object returns the next entry when the background synchronization is activated.
CSCtr44902	Cable modems are assigned incorrect Restricted Load Balancing Group (RLBG) when not assigned to the fiber node configuration.
CSCtr47159	The SNMP get set tool shows that the DOCSIS Set-top Gateway (DSG) configurations are not synchronized between the standby PRE and primary PRE.
CSCtr57109	"No information on VLAN" error messages are displayed on the Cisco uBR10012 router.
CSCtr57476	The Cisco uBR10012 router crashes due to memory corruption when the show cable memory command is issued.
CSCtr57548	The show cable leasequery filter command does not display the correct lease query counter.
CSCtr59593	When copying a configuration file to the startup configuration, the startup configuration allows the same DOCSIS Setup Gateway (DSG) channels to be configured to multiple mac-domains.
CSCtr61197	HCCP FAIL error message is displayed on the Cisco uBR10012 router after a PRE switchover.
CSCtr63868	The encrypted multicast traffic for DOCSIS 3.0 compliant cable modems is blocked after a line card switchover.
CSCtr73136	The DEPI Path Redundancy (DPR) line card failover on the protect Cisco uBR-MC3GX60 line card is falsely triggered.
CSCtr75390	Inter Process Communication (IPC) goes down between the line card and the guardian line card after an upgrade.
CSCtr82685	Duplicate IPv6 link local addresses are learnt as cable modems or CPE entries. This causes the show commands to display incorrect entries.
CSCtr83400	The working line card shows memory allocation error after a protect line card failure causing the wideband modems to drop offline.
CSCtr87580	Parallel Express Forwarding (PXF) stops working correctly when multicast packets are routed to the PBR which has set vrf/global action configured.
CSCtr90121	The DCD counter in the DSG tunnel does not work correctly.
CSCtr90943	The "max sustained rate" and "max rate" service flow settings are not enforced on the cable modems.
CSCtr92123	The dual-stack CPE IP address cannot be reacquired by the CMTS thus the show cable modem cpe command displays no output.
CSCtr92542	The show interface upstream causes a crash on Cisco uBR-MC3GX60 line card.
CSCtr96100	Unexpected debug messages and tracebacks are shown on the console during a line card switchover.
CSCts02767	Multicast packets received by cable modems are not ordered.
CSCts11481	The Standby PRE reboots continuously due to the protect line card configuration.
CSCts11717	Cable modem upstream interfaces on the Cisco uBR-MC3GX60 line card are not available for SNMP polling.
CSCts12275	Policy-based routing does not work with cable intercept functionality on the Cisco CMTS router.
CSCts12466	SAMIS is unable to collect all IPv4 address of CPEs under the cable modems, when dual stack CPEs exist.
CSCts15707	Cable modems on the protect line card can be reached on DOCSIS but not reachable with the IP address.
CSCts16168	The DOCSIS 3.0 compliant cable modems are online on the narrowband interface but some downstream channel IDs differ with the command association and the fiber node.
CSCts17123	Cable modems are online but are not reachable. This issue is observed on the Cisco uBR10012 router.
CSCts17208	Replacement of the Cisco Wideband SPA causes the line card to crash and the PRE to become unresponsive.
CSCts18821	Standby PRE crashes due to cr10k HA checkpoint entity process.
CSCts19608	Modems on the same cable interfaces or mac-domains do not come online on wideband or narrowband interfaces. The RCC-IDs are not displayed in the show cable mac-domain output.

Resolved Caveats—Cisco IOS Release 12.2(33)SCE4

Bug ID	Description
CSCtr48541	The DSG channel is lost after a switchover when a Mac domain interface with remote modular interfaces are configured.
CSCsi02752	An IOS device crashes when traffic is routed under certain conditions.
CSCsl18054	A local user created with a one-time keyword is removed after an unsuccessful login attempt.
CSCso52837	The copy run disk0:test command returns a parsing error.
CSCtg94250	Removal of a virtual routing and forwarding (VRF) address family causes a Border Gateway Protocol (BGP) crash.
CSCth00131	CMTS crashes when the clear cable modem all delete command is executed.
CSCth87458	Memory leak observed in the SSH (Secure Shell) process (ssh_buffer_get_string).
CSCtj78901	Wideband cable modems that are downstream frequency override (DFO) by the Cisco load-balance fail to come online with the following error: | | |UBR10000-4-REG_REQ_DS_SELECTION_FAIL: DS Selection failed for Cable Mo- |dem.
CSCtj88593	The Cisco†CMTS router continuously sends LEASEQUERIES for the IP addresses of the customer premises equipment (CPE), when the CPE is behind an offline cable modem.
CSCtj99642	Error messages "ALIGN-3-SPURIOUS" or "ALIGN-3-TRACE" are observed when the debug cr10k-rp pkt conditional command is enabled on PRE.
CSCtk54576	PRE crashes when QoS enforce-rule is unconfigured.
CSCtk58316	Spurious memory access with traceback is observed on a cable interface line card.
CSCtk65147	DOCSIS 3.0 general load balancing group (GLBG) disappears after line card revert switchover.
CSCtl81095	The PRE processor engine crashes when HCCP configuration is not present or a line card crashes or reloaded.
CSCtl85467	An HCCP synchronization error is observed after executing the issu abortversion command.
CSCtn02944	Failure detection code in the DPM CM is incorrect.
CSCtn08001	Cable modems that are online but have dropped out of the DS load-balancing group over time are not correctly counted in that group when the show cable modem summery total command is executed.
CSCtn31333	High CPU usage is observed on the Cisco CMTS router used for L2TP network server (LNS) due to the Net Background process.
CSCtn38792	Memory leak observed on the Cisco CMTS when Cisco Discovery Protocol (CDP) is enabled.
CSCtn54966	The default IOFPGA region in the PRE processor module has no information.
CSCtn77814	The Cisco MC5x20H line card may crash when disabling the IF output while executing the no cable downstream if-output command.
CSCtn78957	High CPU usage is observed during IPv6 neighbor resolution.
CSCtn82759	A CPE with static IPv6 address gets an incorrect DHCP IPv4 address.
CSCtn84514	The number of unregistered modems and total modems that are displayed in the output of show cable modem summary total command can be inaccurate with Cisco IOS Release 12.2(33)SCE1.
CSCtn86863	DSG TG tunnels are not added to the line card cable interface. The following error message is displayed. | | Wontbeabletoenabletherule.Thereisanon-DSGstaticjoin.'
CSCtn87204	A Cisco uBR10012 router running 12.2(33)SCC5 and configured for "SEA" (System Event Archive Health Monitoring) may crash due to memory corruption while executing the show logging system command.
CSCtn95480	The show facility-alarm status command output remains unchanged even after clearing the facility alarms.
CSCto31597	The SPA keys do not synchronize with the local keys communicated to the CM resulting in L3 connectivity loss and additional TEK requests.
CSCto40192	The ccsSpectrumRequest entries cannot be made through SNMP for frequencies higher than 65 MHz.
CSCto43724	The status of facility alarm and LED is partly synchronized to standby PRE thus the output is inconsistent.
CSCto47157	The Cisco CMTS generates a CPE stop'IPDRrecordforaffectedCPEaftertestcabledcccommandisissued.'
CSCto50386	A MAC Domain Descriptor (MDD) mismatch error is seen on the CMTS console and the CMTS denies the CM to get IPv6 online.
CSCto51095	The egress WAN interface policy-map on the PRE4 processor engine does not match the multicast traffic on the Cisco uBR-MC3GX60V line card.
CSCto55495	The restricted load balancing group (RLBG) ID for a narrowband cable modem changes to the previous RLBG ID after a line card switchover.
CSCto60342	Removal of load balancing DCC group causes voice calls to drop at T8 timer time out.
CSCto67151	Cisco CMTS crash is observed during SPA online insertion and removal (OIR) when multicast fast channel change is being performed.
CSCto68265	The DPC3925 and 3825 cable modems are not parsed, and the cable helper address is ignored for these devices.
CSCto74020	Remora QDR error checking and correction multi-bit error causes system to crash.
CSCto86829	Cable modems may fail to come online when provisioned QoS parameters and active QoS parameters are not same.
CSCto87640	Memory leak may be observed on the Cisco uBR-MC5X20U line card.
CSCto87882	Standby PRE reload is observed when Transport Stream Identifier (TSID) is un-configured for a DEPI tunnel, under the modular-controller configuration.
CSCto90257	PRE crash is observed during SPA OIR when multicast fast channel change is performed.
CSCto94480	Cable intercept stops working on the Cisco CMTS router.
CSCto95224	The Gigabit-ethernet interface does not remain shut down after a CMTS reload. This issue was observed on the Cisco UBR-MC20X20V and the Cisco uBR-MC3GX60 line cards.
CSCtq02850	On a UBR10012 router with a PRE4, the show environment all command wrongly identifies a UBR10-PWR-AC-PLUS power source as a DC PEM when the Product ID switch on the PEM is illuminated.
CSCtq06765	Policy based routing (PBR), applied on bundle interface, does not work when router is reloaded.
CSCtq08644	The shared port adapter (SPA) GigE interface does not remain shut down after a router or line card reload.
CSCtq09066	Wideband cable modems could not be located after multiple line card or PRE switchovers are performed.
CSCtq09449	Cisco CMTS boot fails causing PRE4 crash when On Board Failure Logging (OBFL) feature is enabled.
CSCtq11603	The cable modem state is not synced with standby PRE.
CSCtq13394	The cdxCmToCpeEntry MIB returns the link-local address (LLA) for the CPE IPv6 address.
CSCtq21532	Incomplete MIB information is received for the offline cable modems when MIB objects docsIfCmtsCmStatusEntry and docsIf3CmtsCmRegStatusEntry are queried.
CSCtq22890	Cisco CMTS may crash after jacket card crashes abnormally.
CSCtq27700	PacketCable (PC) Dynamic QoS(DQoS) call does not work. The show packetcable gate summary command output displays the stuck PC DQoS gates in ALLOC state, for the affected PC subscriber.
CSCtq29580	The clear counters cable command clears the cable modem uptime value (Total Time Online), which is not an expected behavior.
CSCtq34214	IPv6 load balancing on Cisco CMTS does not function properly.
CSCtq35285	The change-trigger value does not reach the CMTS when the cable modem is in partial mode and voice flows are forwarded over the wideband interface.
CSCtq43885	The Service Flow Admission Control (SFAC) classification on the PacketCable MultiMedia (PCMM) priority is not working properly.
CSCtq51989	The PRE4 crashes when it is triggered by show diag x/y conlog command in multiple telnet sessions simultaneously.
CSCtq57310	Cable modems do not come online when using the ip dhcp compatibility lease-query client command to enable RFC 4388 in standard mode.
CSCtq59001	In rare cases, SIP-600 Ethernet Controller (eTSEC) violates IEEE802.3 specification for busy line by transmitting longer than allowed by the specification. As a result, Ethernet packets loss maybe observed across the network.
CSCtq62767	The PRE may crash with infinite loop during the DHCP configuration.
CSCtq63696	The IPv6 packets may not get TCP or UDP ports when their extension header is 40 bytes.
CSCtq64515	A memory leak is observed on the cable line card when Dynamic Bonding Change†(DBC) operation is invoked for a WB modem.
CSCtq67275	The Cisco uBR10012 router might crash when using the show run and write memory commands.
CSCtq77150	An invalid XML file is generated when the call volume is high.
CSCtq82748	All packets are dropped when multicast and unicast traffic oversubscribes the bonding group line rate on the Cisco uBR-MC3GX60V line card.
CSCtq84113	The standby route processor crashes when the file nvram:docsBpi2_mib is present.
CSCtq96578	After performing an online insertion and removal (OIR) of a Cisco SIP-600, the show inventory command and the SNMP polls still display the part number and the serial number of the SIP.
CSCtq99064	Service flow and MAC state information of the cable modem failed to sync with the standby route processor.
CSCtr07526	The ToS overwrite value and masks are lost, and the packets are not tagged with the correct values on the Cisco uBR10012 router.
CSCtr08434	An SNMP query to the ccwbFiberNodeDescrTable causes a memory leak.
CSCtr15555	DOCSIS 3.0 cable modems do not lock up to a bonded interface.
CSCtr25442	The Cisco uBR10012 router may crash due to memory allocation failure.
CSCtr29844	The Cisco CMTS router does not drop a Multicast Listener Discovery (MLD) report from an MDF-disabled cable modem.
CSCtr30705	The Cisco uBR-MC3GX60V line card crashes due to an internal FPGA error.
CSCtr45474	Some counters are reset to zero after specifying the DCC initialization technique number.
CSCtr50236	The Cisco CMTS router crashes after changing a specific configuration of a dual stack CPE router.
CSCtr53013	Unable to remove the L2TP class associated with the DEPI tunnel.
CSCtr66491	If you perform an ISSU downgrade after disabling the MDF forwarding capability of a hybrid cable modem, the MDF forwarding capability is changed to its default state.
CSCtr98694	The PacketCable Multimedia (PCMM) Gate-Set messages are rejected by the Cisco CMTS router when the CPE is not directly connected to the router.

Open Caveats—Cisco IOS Release 12.2(33)SCE3

Bug ID	Description
CSCsm21287	Error message "%PRST_IFS-3-GENERAL" is observed when Cisco CMTS is initialized.
CSCso99283	A Cisco router or switch may experience a crash when running commands with large output through a KRON job.
CSCsr62545	The active RPM-XF card crashes on reset.
CSCsw59020	A crash occurs on Onboard Failure Logging (OBFL) voltage application when line card OIR is performed and a clear logging command is issued.
CSCsz16724	The [no] default-metric command is not supported on the Cisco CMTS.
CSCsz39222	The Cisco CMTS reloads and crash file indicates a cache error.
CSCtb45783	The clear ip bgp vpnv4 unicast dampening command suppresses dampened routes for VPN4 prefixes.
CSCtb52191	Uptime counters do not to work on certain combination cards.
CSCtc44487	Router crashes when a Cisco UBR-MC20X20V line card is added or removed from the redundancy configuration.
CSCtc62096	Dynamic multicast service flow and reserved bandwidth exist even after the removal of the multicast QoS (MQoS) configuration from the second bonding group.
CSCtd62264	The cable modem is not reset and remains in w-online state When all non-primary DS channels are inactive and an RF channel is removed from the bonding group.
CSCte42876	The CMTS may stop forwarding traffic when it receives a broadcast packet or a IP packet with multicast VPN (MVPN) multicast distribution tree (MDT) options set.
CSCte62448	DOT 1Q Layer 2 VPN traffic counters do not increment when Layer 2 VPN traffic flows through the Cisco CMTS.
CSCtg50212	CPU spike are observed on the Route Processor during FPD image upgrade.
CSCtg90865	A non-primary Multicast (MC) interface is selected for multicast forwarding.
CSCth00131	CMTS crashes when the clear cable modem all delete command is executed.
CSCth02741	High CPU utilization is observed on Cisco CMTS while running simulation test patterns.
CSCth32726	When a cable modem (CM) is repeatedly forced reset, the CM certificate is not always revoked although the CM certificate is revoked on the OCSP responder.
CSCth37580	The dampening route is present even after removing bgp dampening configuration.
CSCth74869	Parallel Express forwarding (PXF) fails when one of the load balancing link goes down. This issue is seen on the interface used by Cisco Express Forwarding (CEF).
CSCth92926	Traceback is observed after changing the modular-host configuration to a different slot.
CSCth96329	The cable modems in Subscriber Traffic Management (STM) is not getting out of penalty after the PRE or line card switchover.
CSCth97868	Dynamic upstream service flows fail on the Cisco UBR-MC20X20V and Cisco uBR-MC88V line cards when Baseline Privacy Interface (BPI) and Service ID (SID) clusters are configured.
CSCti12590	Querying "getnext" with ipCidrRouteDest returns an OID that is not lexicographically larger than the queried OID.
CSCti15168	Packet flow increases after PRE switch or bootup, though the multicast service flow throughput shows a value of zero.
CSCti28695	The ipv6ScopeZoneIndexTable shows null interface.
CSCti47001	The line card stops responding while monitoring the cable modem statistics.
CSCti48676	Minor multicast packet loss on a line card that is part of an Hot Connection to Connection Protocol (HCCP) group.
CSCti48887	The key-index associated with the wideband interfaces for multicast-sessions changes after line card switchover.
CSCti77209	CPUHOG messages may be seen when SNMP polling is performed with load balancing enabled.
CSCti82203	Cable throttle-ranging affects the cable modem registration speed.
CSCti84775	The DTCC card in slot 2/1 does not reload after cable clock dti or no cable clock dti commands are executed.
CSCti96353	EPC3000 cable modems using SPA downstream as primary channel may be assigned with AES keys instead of 56DES.
CSCti97605	The input bytes counter displayed in the show interface cable command decrements, while the packet input increments; the 30 second input is consistent.
CSCtj04469	The Cisco uBR-MC20x20V line card crashed with following message in the crashdump: Unexpected exception to CPU :vector 300, PC = 0x50389C, LR = 0x50386C
CSCtj07700	Cable modems go offline when changing DOCSIS-mode from ATDMA to SCDMA or from SCDMA to ATDMA.
CSCtj11727	When a line card switchover is triggered, alignment tracebacks may occur on the new working line card.
CSCtj13148	Some UB cable modems (DPC3010) are assigned 56DES keys instead of AES keys on the line card interfaces even though they are not AES enabled.
CSCtj17350	Traceback occurs when show depi tunnel command is configured without DEPI Control Plane.
CSCtj20099	Removal of the IPDR configuration causes a reboot of the standby PRE.
CSCtj25775	The RIP metric for the default route re-distributed from BGP may be incorrect.
CSCtj37469	Upstream utilization percentage in the show interface cable mac-sched command may be above 100.
CSCtj39177	The output of the show interface Wideband-Cable1/1/0:0 service-flow sfid counters command fluctuates. The multicast service flow statistics, displayed in the output do not give accurate meaningful flow data.
CSCtj43383	DOCSIS load balance CM list is lost upon line card switchover and revertback.
CSCtj45883	Memory leak may be observed when load balancing is configured on the Cisco CMTS.
CSCtj47401	A Cisco uBR-MC5X20 line card that is running SNMP commands with traffic crashes.
CSCtj48852	The HCCP protect member is not found for the Cisco uBR10-MC5x20 line card.
CSCtj50102	The entAliasMappingIdentifier object does not return the ifIndex of the interfaces associated with the Cisco Wideband SPA.
CSCtj68730	The PCMM service flow is cleared on the Cisco CMTS; however the PS responds as "gate-set-ack" instead of "gate-set-error".
CSCtj69254	CPU HOG and traceback occur during a line card switchover.
CSCtj71869	The show memory command output displays the MAC domain name incorrectly.
CSCtj75483	Traceback is observed on the Cisco uBR10012 router after issuing the hw-module subslot shut command on the Cisco Wideband SPA.
CSCtj76460	Errors are reported on formatting of OBFL flash memory in the Cisco uBR-MC20x20V line card.
CSCtj77982	The dsgIfDownstreamEntry object identifier is not created for modular cable downstream interfaces.
CSCtj78901	Wideband cable modems that are downstream frequency override (DFO) by the Cisco load-balance fail to come online with the following error: UBR10000-4-REG_REQ_DS_SELECTION_FAIL: DS Selection failed for Cable Mo- dem.
CSCtj79390	The byte counter values for the docsIfCmtsDownChnlCtrTotalBytes MIB object and IPDR DS-UTIL schema DsUtilTotalBytes, for the Cisco UBR-MC20x20V and Cisco uBR-MC88V integrated cable interface are different from the Cisco UBR10-MC5X20 line cards or SPAs.
CSCtj81955	The docsIfDownChannelFrequency MIB object cannot be configured to minimum value on SPA using SNMP.
CSCtj82288	If the configuration file of a cable modem with an IPv4 management address is changed to APM mode, the Cisco CMTS recognizes both IPv4 and IPv6 addresses. However, the cable modem releases the IPv4 address and becomes unpingable on that address.
CSCtj83717	The upstream bandwidth cannot be configured on the Cisco UBR-MC20X20 line card when cable monitor is configured.
CSCtj83877	The range of docsIfDownChannelPower MIB object set through SNMP is inconsistent with the range when configured using the rf-channel and rf power commands, for modular-cable and integrated-cable interfaces.
CSCtj84222	Tracebacks are observed while removing an RCC template from the Cisco UBR-MC20X20V cable interface line card.
CSCtj86115	IOS mroute entry may not be deleted even when the last CPE member "left".
CSCtj87104	The c10k_udi_info_table contains the PID for Cisco UBR-MC20X20V and Cisco uBR-MC3GX60V line cards as UBR10-MC20X20H and UBR10-MC3GX60V respectively. It must be changed to UBR-MC20X20V and UBR-MC3GX60V.
CSCtj87333	The non-default cable load-balance d30-ggrp-default xxxxx configuration is not reapplied to DOCSIS 3.0 General Load Balancing Group (GLBG), if the fiber node is removed and then reapplied.
CSCtj87847	Phy static-mcast should be configured on fwd_intf for static-mcast TLV.
CSCtj83888	You can configure an illegal value for the docsIfDownChannelInterleave attribute when Annex is equal to A.
CSCtj88593	The Cisco CMTS router continuously sends LEASEQUERIES for the IP addresses of the customer premises equipment (CPE), when the CPE is behind an offline cable modem.
CSCtj90049	Traceback occurs on the Cisco CMTS router when the docsIfCmtsCmStatusEntry attribute is queried for cable modems registered in IPv6 provisioning mode.
CSCtj92331	The attributes docsIf3MdChCfgChId, docsIf3MdChCfgIsPriCapableDs and docsIf3MdChCfgSfProvAttrMask cannot be set through the MIB.
CSCtj94466	The acceptance range of some SNMP nodes of which the SYNTAX type is "BITS" is incorrect.
CSCtj95258	If TLV 56 is specified in the CM config file, the test cable dbc command is unable to add new channels after CM becomes online in MTC-Mode.
CSCtj96616	The attribute ccwbRFChannelStorageType cannot be set to value volatile(2).
CSCtj99642	Error messages "ALIGN-3-SPURIOUS" or "ALIGN-3-TRACE" are observed when the debug cr10k-rp pkt conditional command is enabled on PRE.
CSCtk00147	An source specific multicast (SSM) entry is created instead of any source multicast (ASM) entry if the ip pim ssm default command is not configured and SSM groups are joined.
CSCtk02099	Drop in packets was observed when PXF was enabled on the Cisco uBR100012 router.
CSCtk04949	A Customer Premise Equipment (CPE), behind DOCSIS 2.0 or MDF-0 cable modem, does not received any traffic.
CSCtk10000	Spurious memory access is observed when the 'no channel-group' command is executed under a GigE interface
CSCtk15093	Customer Premise Equipment (CPE), in one multicast VPN, incorrectly receives traffic destined to a CPE in another multicast VPN.
CSCtk15612	No core file is generated when a Cisco UBR-MC20X20V line card crashes.
CSCtk16375	The CMTS sends session type AVP in ICRQ message when DPR is configured on the CMTS and the EQAM does not support DEPI Path redundancy (DPR) but sends DPR-capable AVP in SCCRP with capability bit 0.
CSCtk31135	The value of MIB object docsIf3MdCfgCmStatusEvCtlEnabled is not set to true when the cable cm-status enable command is configured to value "8 ~ 10".
CSCtk33241	CPU hog and tracebacks are observed after a line card switchover. This issue occurs when there are a large number of Packet Cable Multimedia (PCMM) multicast gates associated with a particular line card
CSCtk35550	The show cable multicast statistic pool verbose command output does not get updated after the default MQoS is removed from Cisco CMTS.
CSCtk36030	In certain cases, the forwarding rates on the show interface cable-interface command are not consistent with the actual multicast traffic forwarding data rate.
CSCtk54576	PRE crashes when QoS enforce-rule is unconfigured.
CSCtk56047	The transition from the peak rate to the maximum sustained rate, when the burst allowance is exhausted, is slower than that specified by DOCSIS.
CSCtk56400	Traceback is observed after the IPv4 VPN is configured and deleted over 1000 times.
CSCtk59081	High CPU utilization observed after IGMP join and leave request is issued.
CSCtk62091	Traceback is observed on PRE reset.
CSCtk65147	DOCSIS 3.0 general load balancing group (GLBG) disappears after line card revert switchover.
CSCtk66954	SPA channels are not included in the DOCSIS3.0 GLBG that is generated by the CMTS based on fiber node configuration.
CSCtk68678	UB modems are unable to recover all upstream channels.
CSCtk69748	When two (at least) fiber nodes (FN) are configured with a mix of modular and integrated CMs, the CMTS sends the MDD of the second FN to the CM's first FN. As a result, CMs cannot lock on to any of the MDDs and come online in iso w-online state.
CSCtk75171	Traceback is observed when the clear packetcable rks all command is executed.
CSCtk75460	After load balancing, when the cable modem (DPC2100) has moved from cable line card x/y/z to SPA card 1/0/0, the cable modem becomes layer 3 non-pingable.
CSCtk77508	The value of attributes entPhysicalFirmwareRev and SoftwareRev are lost on some interface after PRE switchover.
CSCtk94751	Default mcast sf MIR is not working as per the specified multicast QoS parameters when the default mqos is un-configured and reconfigured.
CSCtk97694	DCID conflict is observed between primary and secondary channels in a MAC Domain.
CSCtk99818	PRE crashes with the following error message: %CHKPT-4-GET_HUGE_BUF: Client 153 buffer requested (size = 4034) is too large
CSCtl01672	Multicast authorization fails after line card switchover since CPE cannot receive traffic.
CSCtl03026	DSG tunnel statistics are displayed when the Cisco uBR10-MC5X20 line card downstream interface is in rf-shutdown state.
CSCtl06149	Wrong protect tunnel configuration cannot be directly overwritten by correct configuration. The correct configuration is accepted and the running config is changed, however it does not take into effect.
CSCtl06275	Some of the call home events are not triggered properly during SPA online insertion and removal (OIR).
CSCtl09709	The cable load-balance docsis-group command fails Hot ICE before & after test.
CSCtl11293	Multicast traffic with MQoS applied may not adhere to the MQoS configuration.
CSCtl21075	SNMP query to fetch docsIf3MdNodeStatusMdUsSgId attribute returns 0 which is out of the range of MIB definition.
CSCtl21176	SNMP does not support bonding group across controller for IC.
CSCtl22266	The DOCSIS general load balancing group information is lost from the mac domain cable modem service group after a PRE switchover occurs.
CSCtl22301	When the downstream is shutdown, its ifSpeed maybe not reflect the actual speed after PRE switchover.
CSCtl23159	Duplicate MPLS pseudowires is not rejected on the CMTS.
CSCtl24460	Traceback was seen on standby PRE during PRE switchover.
CSCtl42030	Using the show cable modem qos command can result in inaccurate downstream service flow throughput rate display.
CSCtl44317	PRE crashes when static multicast configuration with MQoS is present on the bundle and cable interfaces, and bundle interface is removed using the no interface bundle command.
CSCtl46180	The show pxf cable multicast-echo command output for physical/logical static-mcast is empty after Cisco CMTS bootup.
CSCtl47107	After ISSU runversion if the ISSU abortversion is performed, some line cards do not revert back.
CSCtl50000	The show issu comp-matrix negotiated/xml output is inconsistent and confusing.
CSCtl50170	During stress testing, CPUHOG is observed during Subscriber Account Management Interface Specification (SAMIS) operations which eventually causes PRE crash.
CSCtl51338	Cisco CMTS crash is observed after ISSU process is performed twice, and issu abortversion and other show commands are executed.
CSCtl51951	The value of ceAssetCLEI attribute of SPA is not displayed.
CSCtl53607	After a cable modem resets, the IPv6 CPE behind the modem is not removed from the configuration.
CSCtl54475	Cisco CMTS does not recognize TLV64.
CSCtl60284	The Cisco UBR-MC20X20V line card crashes while operating the cable modem flap list.
CSCtl66426	The show interface service qos command and sh pxf cpu queue wideband-cable command display different minimal reserved rates.
CSCtl72835	Few wideband cable modems intermittently come online in Partial-mode.
CSCtl74296	Cisco CMTS crash is observed, when alarm status is queried and simultaneously Cisco uBR-MC5X20H line card is reset.
CSCtl76435	Alignment issues are observed after PRE switchover and when standby PRE boots up and comes up as standby.
CSCtl78873	The line card loadversion is executed after issu prepareversion command is issued on the standby line card.
CSCtl81095	The PRE processor engine crashes when HCCP configuration is not present or a line card crashes or reloaded.
CSCtl83284	CM cannot be moved from w-online to online state.
CSCtl85467	An HCCP synchronization error is observed after executing the issu abortversion command.
CSCtl87156	CMTS returns an ICMP NA response for an IPv6 enabled branch router during duplicate address detection (DAD), causing branch router to deny the address assignment.
CSCtl87574	The cable intercept for IPv6 traffic does not work after performing a PXF reload.
CSCtl90291	The Cisco uBR-MC5x20H line card crashed after an upstream service flow was deleted when the bandwidth request was received for the same service flow.
CSCtl92608	The show cable dsg tunnel statistics command does not display SF or drop counter information.
CSCtl97410	All line card crash when the reload of the chassis is performed.
CSCtl98768	Traceback observed on the Cisco CMTS when new Virtual Routing and Forwarding instances (VRFs) are created and lot of IPv4 routes exist on the router.
CSCtn01028	The nRTPS traffic is not getting the desired bandwidth after the total min-reserved-rate is configured on the CM.
CSCtn02944	Failure detection code in the DPM CM is incorrect.
CSCtn08001	Cable modems that are online but have dropped out of the DS load-balancing group over time are not correctly counted in that group when the show cable modem summery total command is executed.
CSCtn08616	Tracebacks are seen when the downstream service ID (DSID) assigned to primary service flow of a wideband modem is not properly accounted in the DSID management pool.
CSCtn12087	Ping fails to wideband or single channel US BG cable modems.
CSCtn23420	The RCC ID displayed in the output of show cable modem wideband command is zero after a PRE switchover occurs when there is a non-primary RF failure which is in down state.
CSCtn24012	CPE may fail to receive IGMP query after series of LCHA and PRE-HA.
CSCtn30971	Downstreams from other MAC domains are wrongly included in the DOCSIS 3.0 General Load Balancing Group (GLBG).
CSCtn31756	The standby PRE processor engine reloads during issu runversion.
CSCtn38792	Memory leak observed on the Cisco CMTS when Cisco Discovery Protocol (CDP) is enabled.
CSCtn42640	The receive channel configuration (RCC) template configuration disappears after executing show cable mac-domain rcc command.
CSCtn45552	Tracebacks and IPC failure is observed on the PRE console.
CSCtn45567	Chunk memory leak observed when static multicast is configured on both Cisco UBR-MC20X20V line cards and SPA cards.
CSCtn48532	The cable monitor outbound downstream Modular-Cable command configuration is lost in the standby PRE.
CSCtn52243	The DSG configuration configured via SNMP is not get reflected in the standby PRE processor engine.
CSCtn54966	The default IOFPGA region in the PRE processor module has no information.
CSCtn55119	The "Cr10k_diag_send_remote_cmd failed" error message is seen in the log after a PRE switchover occurs.
CSCtn55748	The show cable admission-control interface command does not display any output when mac-domain host line card is powered off.
CSCtn57973	Various show cable commands and SNMP MIB outputs may not return all CPEs known to a UBR CMTS.
CSCtn64257	Error messages are seen after a line card switchover and Supervisor switchover takes place.
CSCtn64461	The CPE may not receive multicast traffic when the MQoS is configured.
CSCtn70391	Ipv6 traffic is always forwarded to one port on the ethernet channel.
CSCtn73228	Traceback observed during ISSU upgrade or downgrade process.
CSCtn77814	The Cisco MC5x20H line card may crash when disabling the IF output while executing the no cable downstream if-output command.
CSCtn79858	The "UBR10K_REDUNDANCY-4-RP_HA_STDBY_INCONSISTENT" message is displayed on the stanby PRE when the line card powered off.
CSCtn82759	A CPE with static IPv6 address gets an incorrect DHCP IPv4 address.
CSCtn84514	The number of unregistered modems and total modems that are displayed in the output of show cable modem summary total command can be inaccurate with Cisco IOS Release 12.2(33)SCE1.
CSCtn85574	The show cable mac-domain upstream-service-group command displays the downstream channels that are in down state.
CSCtn86863	DSG TG tunnels are not added to the line card cable interface. The following error message is displayed, "Won't be able to enable the rule. There is a non-DSG static join."
CSCtn87204	A Cisco uBR10012 router running 12.2(33)SCC5 and configured for "SEA" (System Event Archive Health Monitoring) may crash due to memory corruption while executing the show logging system command.
CSCtn88423	The cable modem does not come online and displays the "No Space in RP srv flow table" error.
CSCtn89901	DOCSIS 3.0 general load balancing group configuration is lost when the Cisco CMTS reloads.
CSCtn90850	Downstream reserved bandwidth is not shown correctly after a line card switchover resulting in CIR oversubscription.
CSCtn93675	Error messages are displayed on the Cisco CMTS after the DOCSIS Timing Interface (DTI) server was disconnected and reconnected.
CSCtn96470	The carrier-to-noise ratio (CNR) accuracy varies on the Cisco uBR-MC3GX60 line card.
CSCtn96485	The CMTS does not reject the real time polling service (RTPS), (non real time polling service (NRTPS), and the best effort (BE) service flows.
CSCtn97181	The cable modems could not receive the multicast traffic. This issue was observed on the Cisco UBR-MC20X20V line card on the Integrated cable forwarding interface.
CSCtn97482	Traceback is observed after the protect Cisco uBR-MC3GX60 line card is reset.
CSCto01086	The SPA multicast service-flow statistics is incorrect.
CSCto02743	The DOCSIS 3.0 cable modems on the modular primary channel stay online while the cable modems on the primary channel go down.
CSCto02925	The Cisco CMTS cannot handle re-admission of admitted service identifiers (SID) after a CMTS reboot. The messages are observed after power cycling the modems.
CSCto09381	The Cisco uBR-MC5x20H line card crashed during Baseline Privacy Interface Plus (BPI+) enforce configuration.
CSCto13222	The fiber node configuration is not displayed in the show load command output and in show running configuration command output. This issue occurs on the Cisco uBR-3GX60V line card with DOCSIS 3.0 general load balancing group configuration.
CSCto16752	SSH application error causes the Cisco CMTS to crash.
CSCto29025	The CPE fails to get the multicast streams.
CSCto03572	The "cr10k_docsis_send_blocked() Err: tx failed(R=105)" error message and traceback are observed while executing the show cable call command after a PRE switchover.
CSCto18500	The line card crashed after configuring and deconfiguring the GLBG/RLBG configuration after a show modem summary command was issued.
CSCto31597	THE SPA keys do not synchronize with the local keys communicated to the CM resulting in L3 connectivity loss and additional TEK requests.
CSCto32683	Traceback seen on the Cisco CMTS with uBR-MC3GX60 line card after executing show pxf cpu queue detail command.
CSCto35285	Incorrect Unsolicited Grant Services (UGS) traffic percentage displayed in the show cable load-balance fiber-node command output.
CSCto41941	The Cisco SIP-600 crashes after the show controller command is issued on the Cisco CMTS when FPD image is present on the SPA.
CSCto43327	The show cable load-balance docsis-group modem-list command output does not display output if the load balancing is set to down state in the channel.
CSCto43706	DTCC card restarts after OIR of Standby PRE after a issu loadversion or issu remove version command is issued.
CSCto43724	The status of facility alarm and LED is partly synchronized to standby PRE thus the output is inconsistent.
CSCto45408	The PRE high availability synchronization is lost after executing Dynamic Channel Change (DCC) with initialization technique 2 to 4.
CSCto46625	Channel changes in multicast VPN setup causes cable modems and the cable bundle IP to be unreachable.
CSCto47157	The Cisco CMTS generates a CPE 'stop' IPDR record for affected CPE after test cable dcc command is issued.
CSCto47940	The downstream channel-ids are reordered while they are unique.
CSCto50386	A MAC Domain Descriptor (MDD) mismatch error is seen on the CMTS console and the CMTS denies the CM to get IPv6 online.
CSCto51095	The egress WAN interface policy-map on the PRE4 processor engine does not match the multicast traffic on the Cisco uBR-MC3GX60V line card.
CSCto55350	The HCCP configuration fails when the no cable downstream-channel-id automatic command is issued followed by the cable downstream-channel-id automatic command.
CSCto55495	The restricted load balancing group (RLBG) ID for a narrowband cable modem changes to the previous RLBG ID after a line card switchover.
CSCto55828	The static multicast configuration is not present and the CPE cannot receive multicast traffic after the is PRE configured with high availability and static multicast (TLV64).
CSCto54780	An HCCP synchronization error is observed after executing the issu abortversion command.
CSCto57658	Traceback seen on the Cisco CMTS with uBR-MC3GX60V line card after a PRE switchover.
CSCto58021	Multicast encryption does not work after a line card switchover occurs.
CSCto58439	The protect standby interfaces are displayed in the DOCSIS load balancing group configuration when HCCP is configured and show running command is issued.
CSCto59206	The cable modems do not have VPN when although they are registered in the VPN configuration file.
CSCto60342	Removal of load balancing DCC group causes voice calls to drop at T8 timer time out.
CSCto63545	Line card crash observed after multicast admission control failure.
CSCto64520	The narrowband-wideband association configuration is not removed after issuing the no card command on the Cisco CMTS.
CSCto66674	Traceback was observed on the Cisco CMTS after large number of wideband connections were configured.
CSCto67613	Debug counters show incorrect information.
CSCto69379	Configuring the upstream connector command during the HCCP static synchronization time may cause the standby route processor to reload.
CSCto70734	The cable power off command does not work correctly on the Cisco uBR-MC5X20-H line card.
CSCto72229	The L2TP class configuration cannot be removed although the DEPI tunnel configuration does not exist.
CSCto74020	Remora QDR error checking and correction multi-bit error causes system to crash.
CSCto87640	Memory leak may be observed on the Cisco uBR-MC5X20U card.
CSCto89600	The Cisco UBR-MC20x20V line card takes 30 minutes to boot up on a PRE2 after reload. High CPU utilization on IP Input and CMTS multicast queue process is also observed during that 30 minutes.
CSCto93858	Inconsistent behavior observed on the Cisco CMTS when the CPE sends a DHCP discover message with ciaddr set to 0.0.0.0.
CSCto95224	The Gigabit-ethernet interface does not remain shut down after a CMTS reload. This issue was observed on the Cisco UBR-MC20X20V and the Cisco uBR-MC3GX60 line cards.
CSCto97035	The cable filter groups do not work correctly for traffic handled by the Route Processor.

Resolved Caveats—Cisco IOS Release 12.2(33)SCE3

Bug ID	Description
CSCec04534	The privilege exec level 1 show interfaces command causes CPU utilization at the show run and write memory commands.
CSCsz56498	An IPv6 recursive static route may not appear in the IPv6 routing table.
CSCtb13469	The Cisco CMTS crashes with error messages after configuring the SPA.
CSCtg13758	The Cisco CMTS router may crash due to a corrupted magic value in the freed chunk register.
CSCth18889	Multicast traffic is not received by the cable modem.
CSCti07013	Upstream speed goes down and the Cyclic Redundancy Check (CRC) error counts increase with a Cisco uBR10-MC5X20U line card.
CSCti12998	The cable modem might lose IP connectivity. The cable modem stays connected to the Cisco CMTS, but no data frames go trough the upstream.
CSCti30196	CMTS may crash when a SNMP query or any other event makes the CMTS to go through the list of ALL service-flows.
CSCtk08133	When the ISSU Multi-Step is performed from Cisco IOS Release 12.2(33)SCC to Cisco IOS Release 12.2(33)SCC6, the ISSU process stops at the "issu linecard changeversion all" and the "issu commitversion" is rejected.
CSCtk09023	Mismatch in secondary service flow between the route processor and the cable line card causes loss of traffic.
CSCtk48167	Cable modem with MDF 2 cannot receive encrypted multicast on Cisco UBR-MC20X20V line card wideband interface.
CSCtk53548	When severe attenuation is applied, CM remains online however L3 is not pingable.
CSCtk54930	Traceback is observed when the no cable bonding-group-secondary command is executed.
CSCtk59482	Active PRE crashes when the redundancy force-switchover main-cpu command is executed on standby PRE.
CSCtk60992	Inconsistent per upstream and per CM CNR are observed on Cisco uBR-MC3GX60V line card.
CSCtk69319	The docsQos3CmtsDsidTable MIB values cannot be retrieved using SNMP.
CSCtk75829	The user priority bit in the VLAN header of the output WAN IPv6 packet is 6 instead of 0.
CSCtk80299	The docsLoadbal3GrpStatusTable disappears after PRE switchover.
CSCtk83757	Load balance modem list should not list priority for excluded modems
CSCtk84262	PRE crash is observed after several line card and PRE switchovers.
CSCtl07945	Route Processor (RP) crashes when the remote-query is unconfigured and the show cable modem remote-query command is executed.
CSCtl08489	Transient Error Message "%NICKEL10G-3-N10GERREVT: TBB - ERR EVENT MSOP, port 0' is observed on Cisco UBR-MC20X20V line card during PRE switchover.
CSCtl12593	Spurious memory traceback seen on the standby PRE after a switchover after a CNNR_DSYNC error message is triggered.
CSCtl17891	Upstream traffic of some CMs is suspended after revert back to working line card.
CSCtl18624	Route Processor (RP) crashes on multicast QoS routine.
CSCtl19597	Changing IGMP query Interval to higher interval causes the mroute to prematurely timeout.
CSCtl24024	Traceback and error messages are seen after the issu linecard changeversion command is issued.
CSCtl43853	During ISSU, HCCP static sync fails after standby line card startup.
CSCtl46150	The Cisco uBR10K PRE4 crashes when the upstream Cable x/y connector command is executed.
CSCtl47013	The following error message is observed on the CMTS console: 003297: Jan 7 10:18:08.092 CST: %UBR10K-6-CM_INCONSISTENCY: CM state inconsistency 0000.0000.0000(msgp 0018.6812.2cb8), sid 0 (1), mac state 4, hwidb Cable6/0/0.
CSCtl50115	The show cable mac-domain rcc command displays incorrect modem count.
CSCtl51901	The Cisco uBR-MC3GX60V line card wideband interface remains UP even if the card is powered OFF.
CSCtl54753	Spurious memory loss may be observed after issu abortversion command is issued.
CSCtl56558	Tracebacks are observed when SFP is inserted in Cisco uBR-MC3GX60V line card, which is currently in standby state.
CSCtl57332	Throughput values for multicast service flows on Cisco uBR-MC3GX60V wideband interfaces remains non-zero after the traffic stops.
CSCtl60318	The line card that is not in HCCP group, does not revert back after ISSU abortversion.
CSCtl67187	The output of the show inventory command incorrectly identifies the DC power entry module as AC power entry module.
CSCtl70740	The US SF database of line card and route processor may be out of sync.
CSCtl79105	Traceback observed at issu_get_msg_mtu after issu linecard loadversion command was executed.
CSCtl81115	Incorrect information in logged in SAMIS log file.
CSCtl89896	Error Messages %UBR10000-4-SERVICE_FLOW_ZERO_BLAZE_INDEX_ERROR and%UBR10000-2-CMTS_INDEX_TABLE_FULL are observed on the CMTS.
CSCtl92464	After upgrading from Cisco IOS Release 12.2(33)SCD to Cisco IOS Release 12.2(33) SCE, the modem certificates become untrusted.
CSCtl95449	When the whole chassis is reloaded, the downstream RF power is reset to 52 dBmV irrespective of what is configured under the controller. Downstream PHY error messages are also seen in the syslog.
CSCtn00931	IPv6 set-top box may not receive IPv6 control packets.
CSCtn06267	Console IPC error messages are logged after repeated shut and unshut command is issued on a Cisco Wideband SPA.
CSCtn12920	The active line card resets during a static synchronization, when the number of upstream service flows on a single cable modem is greater than 35.
CSCtn14912	The SNMP object docsQos3PHSEntry query takes long time to respond. The long response is seen in the output of show snmp cpu-stats command.
CSCtn15220	The cable interface is wrongly displayed as "Integrated-Cable" instead of "Modular-Cable" in the show cable modem primary-channel summary cable x/y/z total command output for Cisco uBR-MC3GX60V line card.
CSCtn23453	The protect line card configuration does not unload after a revertback. This issue is seen on the Cisco UBR-MC3GX60 line card.
CSCtn24390	The Dynamic Bonding Change (DBC) configuration does not work properly with docsLoadbal3ChgOverGroup configuration.
CSCtn25167	The "HCCP-3-MISS_STATICSYNC_DONE" message is observed after no bundle interface command is issued on the Cisco CMTS.
CSCtn25775	The cfg-fail issue may occur during revertback when unloading the RF channel's configuration.
CSCtn38097	Many SNMP MIBs such as cdxCmCpeTable and CMTS commands such as show cable device access-group may not display the IPv6 cable modems or hosts in their output.
CSCtn41225	The IPC port disappears and error messages are displayed on the Cisco CMTS.
CSCtn42882	There is a drop in the link when the Cisco SFP and the RF gateway uses other vendor's SFPs.
CSCtn48919	The "GENERAL-2-CRITEVENT: Request CIR exceeds available link rate" error message is displayed on the Cisco CMTS after service flow admission requests are created.
CSCtn74746	Traceback may occur after a HCCP revertback.
CSCtn79311	Performance issue are observed periodically when IGMP-only multicast echo is configured.
CSCtn81700	High CPU utilization is observed on handling periodic IGMP reports.
CSCtn82302	Incorrect cable monitor configuration successfully loads on the Cisco CMTS.
CSCtn82885	Traceback was observed on the router after show issu state command was issued.
CSCtn84873	When revertive is configured for the redundancy line card group, the group is displayed as being NON-revertive in the output while executing the show redundancy linecard group all command.
CSCtn88378	The primary PRE crashes while creating the MQoS service flow (SF).
CSCtn90410	The IPv6 packet classifier classifies and queues packets that do not meet the classification criteria. The destination address used is IPv6.
CSCtn90802	Cable modems go offline and recover only after the line card is reloaded. This issue was observed on the UBR10-MC5X20H card.
CSCtn93709	Error messages are displayed on the Cisco uBR10012 router with Cisco UBR-MC3GX60 line cards after disconnecting and reconnecting the DTI server.
CSCtn99558	The ethernet controller TSEC register changes are seen on the DTCC card. The controller transmits traffic longer than required.
CSCto04461	The cable modem cannot move from w-online state to online state after executing the cable modem change-frequency command.
CSCto06577	The DOCSIS 3.0 general load balancing group (GLBG) is created and destroyed when the fiber-node is made valid and invalid.
CSCto12809	The standby line card crashes when static synchronization occurs with 480 multicast sessions.
CSCto16580	The PRE processor engine cannot revertback after an issu abortversion command is issued at the run version. This occurs when the line cards are not in a HCCP group.
CSCto17254	The show controller modular-cable command with the filter out modifier triggers RAVEN recoverable error messages.
CSCto18994	The PRE processor engine hangs after an excessive collision.
CSCto23833	The Cisco UBR-MC20X20V line card crashes while executing the cable modem flap list command.
CSCto24410	Downstream ambiguity resolution frequency list is generated incorrectly when overlapping frequencies exist in the MAC domain downstream service group.
CSCto25075	The default MQoS queue is not used in multicast service flow configuration after removing QoS from DOCSIS Set-Top Gateway (DSG) tunnel.
CSCto26404	Traffic does not flow to the cable modem when the primary channel of cable modem is not in the bonding group and the non-primary RF channels are down.
CSCto27292	The Cisco CMTS crashes after the wideband interface is configured with the 24 RF channels.
CSCto31440	Traceback are seen when the RAVEN RLDRAM clear is not completed.
CSCto36251	The issu line card changeversion all command does not check the RF switch state hence causing all of the cable modems to drop offline.
CSCto43843	Traceback is observed after issu commitversion command was executed on the Cisco UBR-20X20V line card.
CSCto49736	Traceback is observed after issu commitversion command was executed on the Cisco UBR-20X20V line card.
CSCto61245	SNMP OID does not increase while querying the cdxCmToCpeInetAddressType MIB object.
CSCto63214	Error messages may be seen and maps may not be transmitted when the DOCSIS Timing Interface (DTI) clock server signal is lost or recovered when DEPI Latency Measurement (DLM) is enabled.

Open Caveats—Cisco IOS Release 12.2(33)SCE2

Bug ID	Description
CSCsm21287	Error message "%PRST_IFS-3-GENERAL" is observed when Cisco CMTS is initialized.
CSCsr62545	The active RPM-XF card crashes on reset.
CSCsz16724	The [no] default-metric command is not supported on the Cisco CMTS.
CSCtb52191	Uptime counters do not to work on certain combination cards.
CSCtc44487	Router crashes when a Cisco UBR-MC20X20V line card is added or removed from the redundancy configuration.
CSCtc62096	Dynamic multicast service flow and reserved bandwidth exist even after the removal of the multicast QoS (MQoS) configuration from the second bonding group.
CSCtd62264	The cable modem is not reset and remains in w-online state When all non-primary DS channels are inactive and an RF channel is removed from the bonding group.
CSCte42876	The CMTS may stop forwarding traffic when it receives a broadcast packet or a IP packet with multicast VPN (MVPN) multicast distribution tree (MDT) options set.
CSCte62448	DOT 1Q Layer 2 VPN traffic counters do not increment when Layer 2 VPN traffic flows through the Cisco CMTS.
CSCtg16155	A filesystem device does not display after the TEST_MULTIPLE_FUNCS.
CSCtg50212	CPU spike are observed on the Route Processor during FPD image upgrade.
CSCtg90865	A non-primary Multicast (MC) interface is selected for multicast forwarding.
CSCth00131	CMTS crashes when the clear cable modem all delete command is executed.
CSCth02741	High CPU utilization is observed on Cisco CMTS while running simulation test patterns.
CSCth18889	Multicast traffic is not received by the cable modem.
CSCth32726	When a cable modem (CM) is repeatedly forced reset, the CM certificate is not always revoked although the CM certificate is revoked on the OCSP responder.
CSCth92926	Traceback is observed after changing the modular-host configuration to a different slot.
CSCth96329	The cable modems in Subscriber Traffic Management (STM) is not getting out of penalty after the PRE or line card switchover.
CSCti07013	Upstream speed goes down and the Cyclic Redundancy Check (CRC) error counts increase with a Cisco uBR10-MC5X20U line card.
CSCti12590	Querying "getnext" with ipCidrRouteDest returns an OID that is not lexicographically larger than the queried OID.
CSCti12998	The cable modem might lose IP connectivity. The cable modem stays connected to the Cisco CMTS, but no data frames go trough the upstream.
CSCti15168	Packet flow increases after PRE switch or bootup, though the multicast service flow throughput shows a value of zero.
CSCti28695	The ipv6ScopeZoneIndexTable shows null interface.
CSCti30196	CMTS may crash when a SNMP query or any other event makes the CMTS to go through the list of ALL service-flows.
CSCti47001	The line card stops responding while monitoring the cable modem statistics.
CSCti48676	Minor multicast packet loss on a line card that is part of an Hot Connection to Connection Protocol (HCCP) group.
CSCti48887	The key-index associated with the wideband interfaces for multicast-sessions changes after line card switchover.
CSCti77209	CPUHOG messages may be seen when SNMP polling is performed with load balancing enabled.
CSCti82203	Cable throttle-ranging affects the cable modem registration speed.
CSCti84775	The DTCC card in slot 2/1 does not reload after cable clock dti or no cable clock dti commands are executed.
CSCti96353	EPC3000 cable modems using SPA downstream as primary channel may be assigned with AES keys instead of 56DES.
CSCti97605	The input bytes counter displayed in the show interface cable command decrements, while the packet input increments; the 30 second input is consistent.
CSCtj04469	The Cisco uBR-MC20x20V line card crashed with following message in the crashdump: Unexpected exception to CPU :vector 300, PC = 0x50389C, LR = 0x50386C
CSCtj07700	Cable modems go offline when changing DOCSIS-mode from ATDMA to SCDMA or from SCDMA to ATDMA.
CSCtj11727	When a line card switchover is triggered, alignment tracebacks may occur on the new working line card.
CSCtj13148	Some UB cable modems (DPC3010) are assigned 56DES keys instead of AES keys on the line card interfaces even though they are not AES enabled.
CSCtj17350	Traceback occurs when show depi tunnel command is configured without DEPI Control Plane.
CSCtj20099	Removal of the IPDR configuration causes a reboot of the standby PRE.
CSCtj37469	Upstream utilization percentage in the show interface cable mac-sched command may be above 100.
CSCtj39177	The output of the show interface Wideband-Cable1/1/0:0 service-flow counters command fluctuates. The multicast service flow statistics, displayed in the output do not give accurate meaningful flow data.
CSCtj43383	DOCSIS load balance CM list is lost upon line card switchover and revertback.
CSCtj47401	A Cisco uBR-MC5X20 line card that is running SNMP commands with traffic crashes.
CSCtj48852	The HCCP protect member is not found for the Cisco uBR10-MC5x20 line card.
CSCtj50102	The entAliasMappingIdentifier object does not return the ifIndex of the interfaces associated with the Cisco Wideband SPA.
CSCtj51639	Unable to telnet or attach from within Embedded Event Manager (EEM) script.
CSCtj68730	The PCMM service flow is cleared on the Cisco CMTS; however the PS responds as "gate-set-ack" instead of "gate-set-error".
CSCtj69254	CPU HOG and traceback occur during a line card switchover.
CSCtj71869	The show memory command output displays the MAC domain name incorrectly.
CSCtj75483	Traceback is observed on the Cisco uBR10012 router after issuing the hw-module subslot shut command on the Cisco Wideband SPA.
CSCtj76460	Errors are reported on formatting of OBFL flash memory in the Cisco uBR-MC20x20V line card.
CSCtj77982	The dsgIfDownstreamEntry object identifier is not created for modular cable downstream interfaces.
CSCtj78901	Wideband cable modems that are downstream frequency override (DFO) by the Cisco load-balance fail to come online with the following error: UBR10000-4-REG_REQ_DS_SELECTION_FAIL: DS Selection failed for Cable Mo- dem.
CSCtj79390	The byte counter values for the docsIfCmtsDownChnlCtrTotalBytes MIB object and IPDR DS-UTIL schema DsUtilTotalBytes, for the Cisco UBR-MC20x20V and Cisco uBR-MC88V integrated cable interface are different from the Cisco UBR10-MC5X20 line cards or SPAs.
CSCtj81955	The docsIfDownChannelFrequency MIB object cannot be configured to minimum value on SPA using SNMP.
CSCtj82288	If the configuration file of a cable modem with an IPv4 management address is changed to APM mode, the Cisco CMTS recognizes both IPv4 and IPv6 addresses. However, the cable modem releases the IPv4 address and becomes unpingable on that address.
CSCtj83717	The upstream bandwidth cannot be configured on the Cisco UBR-MC20X20 line card when cable monitor is configured.
CSCtj83877	The range of docsIfDownChannelPower MIB object set through SNMP is inconsistent with the range when configured using the rf-channel and rf power commands, for modular-cable and integrated-cable interfaces.
CSCtj83888	You can configure an illegal value for the docsIfDownChannelInterleave attribute when Annex is equal to A.
CSCtj84222	Tracebacks are observed while unconfiguring RCC-template from the Cisco UBR-MC20X20V cable interface line card.
CSCtj86115	IOS mroute entry may not be deleted even when the last CPE member "left".
CSCtj87104	The c10k_udi_info_table contains the PID for Cisco UBR-MC20X20V and Cisco uBR-MC3GX60V line cards as UBR10-MC20X20H and UBR10-MC3GX60V respectively. It must be changed to UBR-MC20X20V and UBR-MC3GX60V.
CSCtj87333	The non-default cable load-balance d30-ggrp-default xxxxx configuration is not reapplied to DOCSIS 3.0 General Load Balancing Group (GLBG), if the fiber node is removed and then reapplied.
CSCtj87847	Phy static-mcast should be configured on fwd_intf for static-mcast TLV.
CSCtj88593	The Cisco CMTS router continuously sends LEASEQUERIES for the IP addresses of the customer premises equipment (CPE), when the CPE is behind an offline cable modem.
CSCtj90049	Traceback occurs on the Cisco CMTS router when the docsIfCmtsCmStatusEntry attribute is queried for cable modems registered in IPv6 provisioning mode.
CSCtj92331	The attributes docsIf3MdChCfgChId, docsIf3MdChCfgIsPriCapableDs and docsIf3MdChCfgSfProvAttrMask cannot be set through the MIB.
CSCtj94466	The acceptance range of some SNMP nodes of which the SYNTAX type is "BITS" is incorrect.
CSCtj95258	If TLV 56 is specified in the CM config file, the test cable dbc command is unable to add new channels after CM becomes online in MTC-Mode.
CSCtj96616	The attribute ccwbRFChannelStorageType cannot be set to value volatile(2).
CSCtj99642	Error messages "ALIGN-3-SPURIOUS" or "ALIGN-3-TRACE" are observed when the debug cr10k-rp pkt conditional command is enabled on PRE.
CSCtk00147	An source specific multicast (SSM) entry is created instead of any source multicast (ASM) entry if the ip pim ssm default command is not configured and SSM groups are joined.
CSCtk02099	Drop in packets was observed when PXF was enabled on the Cisco uBR100012 router.
CSCtk04949	A Customer Premise Equipment (CPE), behind DOCSIS 2.0 or MDF-0 cable modem, does not received any traffic.
CSCtk08133	When the ISSU Multi-Step is performed from Cisco IOS Release 12.2(33)SCC to Cisco IOS Release 12.2(33)SCC6, the ISSU process stops at the "issu linecard changeversion all" and the "issu commitversion" is rejected.
CSCtk09023	Mismatch in secondary service flow between the route processor and the cable line card causes loss of traffic.
CSCtk10000	Spurious memory access is observed when the 'no channel-group' command is executed under a GigE interface
CSCtk15093	Customer Premise Equipment (CPE), in one multicast VPN, incorrectly receives traffic destined to a CPE in another multicast VPN.
CSCtk15612	No core file is generated when a Cisco UBR-MC20X20V line card crashes.
CSCtk16375	The CMTS sends session type AVP in ICRQ message when DPR is configured on the CMTS and the EQAM does not support DEPI Path redundancy (DPR) but sends DPR-capable AVP in SCCRP with capability bit 0.
CSCtk31135	The value of MIB object docsIf3MdCfgCmStatusEvCtlEnabled is not set to true when the cable cm-status enable command is configured to value "8 ~ 10".
CSCtk33241	CPU hog and tracebacks are observed after a line card switchover. This issue occurs when there are a large number of Packet Cable Multimedia (PCMM) multicast gates associated with a particular line card
CSCtk35550	The show cable multicast statistic pool verbose command output does not get updated after the default MQoS is unconfigured from Cisco CMTS.
CSCtk48167	Cable modem with MDF 2 cannot receive encrypted multicast on Cisco UBR-MC20X20V line card wideband interface.
CSCtk53548	When severe attenuation is applied, CM remains online however L3 is not pingable.
CSCtk54576	PRE crashes when QoS enforce-rule is unconfigured.
CSCtk54930	Traceback is observed when the no cable bonding-group-secondary command is executed.
CSCtk56047	The transition from the peak rate to the maximum sustained rate, when the burst allowance is exhausted, is slower than that specified by DOCSIS.
CSCtk56400	Traceback is observed after the IPv4 VPN is configured and deleted over 1000 times.
CSCtk59012	After PRE switchover, the new standby PRE goes in "progress to standby cold-bulk" state and is periodically reset by the new active PRE.
CSCtk59482	Active PRE crashes when the redundancy force-switchover main-cpu command is executed on standby PRE.
CSCtk60992	Inconsistent per upstream and per CM CNR are observed on Cisco uBR-MC3GX60V line card
CSCtk62091	Traceback is observed on PRE reset.
CSCtk65147	DOCSIS 3.0 general load balancing group (GLBG) disappears after line card revert switchover.
CSCtk66954	SPA channels are not included in the DOCSIS3.0 GLBG that is generated by the CMTS based on fiber node configuration.
CSCtk68678	UB modems are unable to recover all upstream channels.
CSCtk69319	The docsQos3CmtsDsidTable MIB values cannot be retrieved using SNMP.
CSCtk69748	When two (at least) fiber nodes (FN) are configured with a mix of modular and integrated CMs, the CMTS sends the MDD of the second FN to the CM's first FN. As a result, CMs cannot lock on to any of the MDDs and come online in iso w-online state.
CSCtk75171	Traceback is observed when the clear packetcable rks all command is executed.
CSCtk75460	After load balancing, when the cable modem (DPC2100) has moved from cable line card x/y/z to SPA card 1/0/0, the cable modem becomes layer 3 non-pingable.
CSCtk75829	The user priority bit in the VLAN header of the output WAN IPv6 packet is 6 instead of 0.
CSCtk77508	The value of attributes entPhysicalFirmwareRev and SoftwareRev are lost on some interface after PRE switchover.
CSCtk80299	The docsLoadbal3GrpStatusTable disappears after PRE switchover.
CSCtk83757	Load balance modem list should not list priority for excluded modems
CSCtk84262	PRE crash is observed after several line card and PRE switchovers.
CSCtk97694	DCID conflict is observed between primary and secondary channels in a MAC Domain.
CSCtk99818	PRE crashes with the following error message: %CHKPT-4-GET_HUGE_BUF: Client 153 buffer requested (size = 4034) is too large
CSCtl01672	Multicast authorization fails after line card switchover since CPE cannot receive traffic.
CSCtl03026	DSG tunnel statistics are displayed when the Cisco uBR10-MC5X20 line card downstream interface is in rf-shutdown state.
CSCtl06149	Wrong protect tunnel configuration cannot be directly overwritten by correct configuration. The correct configuration is accepted and the running config is changed, however it does not take into effect.
CSCtl06275	Some of the call home events are not triggered properly during SPA online insertion and removal (OIR).
CSCtl07945	Route Processor (RP) crashes when the remote-query is unconfigured and the show cable modem remote-query command is executed.
CSCtl08489	Transient Error Message "%NICKEL10G-3-N10GERREVT: TBB - ERR EVENT MSOP, port 0' is observed on Cisco UBR-MC20X20V line card during PRE switchover.
CSCtl09709	The cable load-balance docsis-group command fails HotICE before & after test.
CSCtl11293	Multicast traffic with MQoS applied may not adhere to the MQoS configuration.
CSCtl17891	Upstream traffic of some CMs is suspended after revert back to working line card.
CSCtl18624	Route Processor (RP) crashes on multicast QoS routine.
CSCtl19597	Changing IGMP query Interval to higher interval causes the mroute to prematurely timeout.
CSCtl21075	SNMP query to fetch docsIf3MdNodeStatusMdUsSgId attribute returns 0 which is out of the range of MIB definition.
CSCtl21176	SNMP does not support bonding group across controller for IC.
CSCtl22301	When the downstream is shutdown, its ifSpeed maybe not reflect the actual speed after PRE switchover.
CSCtl23159	Duplicate MPLS pseudowires is not rejected on the CMTS
CSCtl42030	Using the show cable modem qos command can result in inaccurate downstream service flow throughput rate display.
CSCtl43853	During ISSU, HCCP static sync fails after standby line card startup.
CSCtl44317	PRE crashes when static multicast configuration with MQoS is present on the bundle and cable interfaces, and bundle interface is removed using the no interface bundle command.
CSCtl46150	The Cisco uBR10K PRE4 crashes when the upstream Cable x/y connector command is executed.
CSCtl46180	The show pxf cable multicast-echo command output for physical/logical static-mcast is empty after Cisco CMTS bootup.
CSCtl47013	The following error message is observed on the CMTS console: 003297: Jan 7 10:18:08.092 CST: %UBR10K-6-CM_INCONSISTENCY: CM state inconsistency 0000.0000.0000(msgp 0018.6812.2cb8), sid 0 (1), mac state 4, hwidb Cable6/0/0
CSCtl47107	After ISSU runversion if the ISSU abortversion is performed, some line cards do not revert back.
CSCtl50000	The show issu comp-matrix negotiated/xml output is inconsistent and confusing.
CSCtl50170	During stress testing, CPUHOG is observed during Subscriber Account Management Interface Specification (SAMIS) operations which eventually causes PRE crash.
CSCtl51338	Cisco CMTS crash is observed after ISSU process is performed twice, and issu abortversion and other show commands are executed.
CSCtl51901	The Cisco uBR-MC3GX60V line card wideband interface remains UP even if the card is powered OFF.
CSCtl51951	The value of ceAssetCLEI attribute of SPA is not displayed.
CSCtl53919	When the RFGW-10 EQAM that is connected to the Cisco uBR10K does a supervisor switchover, control plane DEPI on the Cisco uBR10K detects a false positive failure, and triggers a N+1 line card switchover for the Cisco uBR-MC3GX60V line card.
CSCtl54475	Cisco CMTS does not recognize TLV64.
CSCtl56558	Tracebacks are observed when SFP is inserted in Cisco uBR-MC3GX60V line card, which is currently in standby state.
CSCtl57332	Throughput values for multicast service flows on Cisco uBR-MC3GX60V wideband interfaces remains non-zero after the traffic stops.
CSCtl60318	Line card, which is not in HCCP group, does not revert back after ISSU abortversion.
CSCtl70740	The US SF database of line card and route processor may be out of sync.
CSCtl72835	Few wideband cable modems intermittently come online in Partial-mode.
CSCtl74296	Cisco CMTS crash is observed, when alarm status is queried and simultaneously Cisco uBR-MC5X20H line card is reset.
CSCtl76435	Alignment issues are observed after PRE switchover and when standby PRE boots up and comes up as standby.
CSCtl81115	Incorrect information in logged in SAMIS log file.
CSCtl83284	CM cannot be moved from w-online to online state.
CSCtl87156	CMTS returns an ICMP NA response for an IPv6 enabled branch router during duplicate address detection (DAD), causing branch router to deny the address assignment.
CSCtl89896	Error Messages %UBR10000-4-SERVICE_FLOW_ZERO_BLAZE_INDEX_ERROR and%UBR10000-2-CMTS_INDEX_TABLE_FULL are observed on the CMTS.
CSCtl92464	After upgrading from Cisco IOS Release 12.2(33)SCD to Cisco IOS Release 12.2(33) SCE, the modem certificates become untrusted.
CSCtl92608	The show cable dsg tunnel statistics command does not display SF or drop counter information.
CSCtl95449	When the whole chassis is reloaded, the downstream RF power is reset to 52 dBmV irrespective of what is configured under the controller. Downstream PHY error messages are also seen in the syslog.
CSCtl97410	All line card crash when the reload of the chassis is performed.

Resolved Caveats—Cisco IOS Release 12.2(33)SCE2

Bug ID	Description
CSCto26404	Traffic does not flow to the cable modem when the primary channel of cable modem is not in the bonding group and the non-primary RF channels are down.
CSCto23833	The Cisco UBR-MC20X20V line card crashes while executing the cable modem flap list command.

Open Caveats—Cisco IOS Release 12.2(33)SCE1

Bug ID	Description
CSCsm21287	Error message "%PRST_IFS-3-GENERAL" is observed when Cisco CMTS is initialized.
CSCsr62545	The active RPM-XF card crashes on reset.
CSCsz16724	The [no] default-metric command is not supported on the Cisco CMTS.
CSCsz98503	A time delay of a few minutes occurs when multiple cable modems go off on a random upstream.
CSCtb52191	Uptime counters do not to work on certain combination cards.
CSCtc44487	Router crashes when a Cisco UBR-MC20X20V line card is added or removed from the redundancy configuration.
CSCtc62096	Dynamic multicast service flow and reserved bandwidth exist even after the removal of the multicast QoS (MQoS) configuration from the second bonding group.
CSCtd62264	The cable modem is not reset and remains in w-online state When all non-primary DS channels are inactive and an RF channel is removed from the bonding group.
CSCte42876	The CMTS may stop forwarding traffic when it receives a broadcast packet or a IP packet with multicast VPN (MVPN) multicast distribution tree (MDT) options set.
CSCte62448	DOT 1Q Layer 2 VPN traffic counters do not increment when Layer 2 VPN traffic flows through the Cisco CMTS.
CSCtf06267	An IPv6 CPE cannot communicate with the Cisco CMTS after the ND cache is cleared.
CSCtf90859	Memory allocation failure is observed on Cisco uBR7200 router series after fast channel change with dynamic multicast.
CSCtg16155	A filesystem device does not display after the TEST_MULTIPLE_FUNCS.
CSCtg50212	CPU spike are observed on the Route Processor during FPD image upgrade.
CSCtg90865	A non-primary Multicast (MC) interface is selected for multicast forwarding.
CSCth00131	CMTS crashes when the clear cable modem all delete command is executed.
CSCth02741	High CPU utilization is observed on Cisco CMTS while running simulation test patterns.
CSCth18889	Multicast traffic is not received by the cable modem.
CSCth32726	When a cable modem (CM) is repeatedly forced reset, the CM certificate is not always revoked although the CM certificate is revoked on the OCSP responder.
CSCth92926	Traceback is observed after changing the modular-host configuration to a different slot.
CSCth96329	The cable modems in Subscriber Traffic Management (STM) is not getting out of penalty after the PRE or line card switchover.
CSCti07013	Upstream speed goes down and the Cyclic Redundancy Check (CRC) error counts increase with a Cisco uBR10-MC5X20U line card.
CSCti12590	Querying "getnext" with ipCidrRouteDest returns an OID that is not lexicographically larger than the queried OID.
CSCti12998	The cable modem might lose IP connectivity. The cable modem stays connected to the Cisco CMTS, but no data frames go trough the upstream.
CSCti15168	Packet flow increases after PRE switch or bootup, though the multicast service flow throughput shows a value of zero.
CSCti28695	The ipv6ScopeZoneIndexTable shows null interface.
CSCti30196	CMTS may crash when a SNMP query or any other event makes the CMTS to go through the list of ALL service-flows.
CSCti32814	Stand-by CMTS crashes and tracebacks are observed.
CSCti47001	The line card stops responding while monitoring the cable modem statistics.
CSCti48676	Minor multicast packet loss on a line card that is part of an Hot Connection to Connection Protocol (HCCP) group.
CSCti48887	The key-index associated with the wideband interfaces for multicast-sessions changes after line card switchover.
CSCti77209	CPUHOG messages may be seen when SNMP polling is performed with load balancing enabled.
CSCti82203	Cable throttle-ranging affects the cable modem registration speed.
CSCti84775	The DTCC card in slot 2/1 does not reload after cable clock dti or no cable clock dti commands are executed.
CSCti87411	System crashes if it is reloaded during an ISSU commitversion.
CSCti96353	EPC3000 cable modems using SPA downstream as primary channel may be assigned with AES keys instead of 56DES.
CSCti97605	The input bytes counter displayed in the show interface cable command decrements, while the packet input increments; the 30 second input is consistent.
CSCtj04469	The Cisco uBR-MC20x20V line card crashed with following message in the crashdump: Unexpected exception to CPU :vector 300, PC = 0x50389C, LR = 0x50386C
CSCtj07700	Cable modems go offline when changing DOCSIS-mode from ATDMA to SCDMA or from SCDMA to ATDMA.
CSCtj11727	When a line card switchover is triggered, alignment tracebacks may occur on the new working line card.
CSCtj13148	Some UB cable modems (DPC3010) are assigned 56DES keys instead of AES keys on the line card interfaces even though they are not AES enabled.
CSCtj17350	Traceback occurs when show depi tunnel command is configured without DEPI Control Plane.
CSCtj20099	Removal of the IPDR configuration causes a reboot of the standby PRE.
CSCtj37469	Upstream utilization percentage in the show interface cable mac-sched command may be above 100.
CSCtj39177	The output of the show interface Wideband-Cable1/1/0:0 service-flow counters command fluctuates. The multicast service flow statistics, displayed in the output do not give accurate meaningful flow data.
CSCtj43383	DOCSIS load balance CM list is lost upon line card switchover and revertback.
CSCtj47401	A Cisco uBR-MC5X20 line card that is running SNMP commands with traffic crashes.
CSCtj48852	The HCCP protect member is not found for the Cisco uBR10-MC5x20 line card.
CSCtj50102	The entAliasMappingIdentifier object does not return the ifIndex of the interfaces associated with the Cisco Wideband SPA.
CSCtj51639	Unable to telnet or attach from within Embedded Event Manager (EEM) script.
CSCtj68730	The PCMM service flow is cleared on the Cisco CMTS; however the PS responds as "gate-set-ack" instead of "gate-set-error".
CSCtj69254	CPU HOG and traceback occur during a line card switchover.
CSCtj71869	The show memory command output displays the MAC domain name incorrectly.
CSCtj75483	Traceback is observed on the Cisco uBR10012 router after issuing the hw-module subslot shut command on the Cisco Wideband SPA.
CSCtj76460	Errors are reported on formatting of OBFL flash memory in the Cisco uBR-MC20x20V line card.
CSCtj77982	The dsgIfDownstreamEntry object identifier is not created for modular cable downstream interfaces.
CSCtj78901	Wideband cable modems that are downstream frequency override (DFO) by the Cisco load-balance fail to come online with the following error: UBR10000-4-REG_REQ_DS_SELECTION_FAIL: DS Selection failed for Cable Mo- dem.
CSCtj79390	The byte counter values for the docsIfCmtsDownChnlCtrTotalBytes MIB object and IPDR DS-UTIL schema DsUtilTotalBytes, for the Cisco UBR-MC20x20V and Cisco uBR-MC88V integrated cable interface are different from the Cisco UBR10-MC5X20 line cards or SPAs.
CSCtj81955	The docsIfDownChannelFrequency MIB object cannot be configured to minimum value on SPA using SNMP.
CSCtj82288	If the configuration file of a cable modem with an IPv4 management address is changed to APM mode, the Cisco CMTS recognizes both IPv4 and IPv6 addresses. However, the cable modem releases the IPv4 address and becomes unpingable on that address.
CSCtj83717	The upstream bandwidth cannot be configured on the Cisco UBR-MC20X20 line card when cable monitor is configured.
CSCtj83877	The range of docsIfDownChannelPower MIB object set through SNMP is inconsistent with the range when configured using the rf-channel and rf power commands, for modular-cable and integrated-cable interfaces.
CSCtj83888	You can configure an illegal value for the docsIfDownChannelInterleave attribute when Annex is equal to A.
CSCtj84222	Tracebacks are observed while unconfiguring RCC-template from the Cisco UBR-MC20X20V cable interface line card.
CSCtj86115	IOS mroute entry may not be deleted even when the last CPE member "left".
CSCtj87104	The c10k_udi_info_table contains the PID for Cisco UBR-MC20X20V and Cisco uBR-MC3GX60V line cards as UBR10-MC20X20H and UBR10-MC3GX60V respectively. It must be changed to UBR-MC20X20V and UBR-MC3GX60V.
CSCtj87333	The non-default cable load-balance d30-ggrp-default xxxxx configuration is not reapplied to DOCSIS 3.0 General Load Balancing Group (GLBG), if the fiber node is removed and then reapplied.
CSCtj87847	Phy static-mcast should be configured on fwd_intf for static-mcast TLV.
CSCtj88593	The Cisco CMTS router continuously sends LEASEQUERIES for the IP addresses of the customer premises equipment (CPE), when the CPE is behind an offline cable modem.
CSCtj90049	Traceback occurs on the Cisco CMTS router when the docsIfCmtsCmStatusEntry attribute is queried for cable modems registered in IPv6 provisioning mode.
CSCtj92331	The attributes docsIf3MdChCfgChId, docsIf3MdChCfgIsPriCapableDs and docsIf3MdChCfgSfProvAttrMask cannot be set through the MIB.
CSCtj93165	Downstream primary channel throughput counters are inaccurate and the throughput is higher than the maximum sustained rate value.
CSCtj94466	The acceptance range of some SNMP nodes of which the SYNTAX type is "BITS" is incorrect.
CSCtj95258	If TLV 56 is specified in the CM config file, the test cable dbc command is unable to add new channels after CM becomes online in MTC-Mode.
CSCtj96616	The attribute ccwbRFChannelStorageType cannot be set to value volatile(2).
CSCtj99642	Error messages "ALIGN-3-SPURIOUS" or "ALIGN-3-TRACE" are observed when the debug cr10k-rp pkt conditional command is enabled on PRE.
CSCtk00147	An source specific multicast (SSM) entry is created instead of any source multicast (ASM) entry if the ip pim ssm default command is not configured and SSM groups are joined.
CSCtk02099	Drop in packets was observed when PXF was enabled on the Cisco uBR100012 router.
CSCtk04949	A Customer Premise Equipment (CPE), behind DOCSIS 2.0 or MDF-0 cable modem, does not received any traffic.
CSCtk08133	When the ISSU Multi-Step is performed from Cisco IOS Release 12.2(33)SCC to Cisco IOS Release 12.2(33)SCC6, the ISSU process stops at the "issu linecard changeversion all" and the "issu commitversion" is rejected.
CSCtk09023	Mismatch in secondary service flow between the route processor and the cable line card causes loss of traffic.
CSCtk10000	Spurious memory access is observed when the 'no channel-group' command is executed under a GigE interface
CSCtk15093	Customer Premise Equipment (CPE), in one multicast VPN, incorrectly receives traffic destined to a CPE in another multicast VPN.
CSCtk15612	No core file is generated when a Cisco UBR-MC20X20V line card crashes.
CSCtk16375	The CMTS sends session type AVP in ICRQ message when DPR is configured on the CMTS and the EQAM does not support DEPI Path redundancy (DPR) but sends DPR-capable AVP in SCCRP with capability bit 0.
CSCtk31135	The value of MIB object docsIf3MdCfgCmStatusEvCtlEnabled is not set to true when the cable cm-status enable command is configured to value "8 ~ 10".
CSCtk32866	Tracebacks and CPU spike are observed when debug cable tlvs is enabled on a Cisco CMTS running Cisco IOS Release 12.2(32.8.10)SCE with PRE-2 because of the CMTS SID management process.
CSCtk33241	CPU hog and tracebacks are observed after a line card switchover. This issue occurs when there are a large number of Packet Cable Multimedia (PCMM) multicast gates associated with a particular line card
CSCtk35550	The show cable multicast statistic pool verbose command output does not get updated after the default MQoS is unconfigured from Cisco CMTS.
CSCtk46884	Tracebacks are observed after the issu runverion command is executed at the RP for some of the IPC issues
CSCtk47338	The counter in the show mpls forwarding-table command output is not increased, when the aggregate-address summary-only under BGP address-family is configured.
CSCtk48167	Cable modem with MDF 2 cannot receive encrypted multicast on Cisco UBR-MC20X20V line card wideband interface.
CSCtk53548	When severe attenuation is applied, CM remains online however L3 is not pingable.
CSCtk54576	PRE crashes when QoS enforce-rule is unconfigured.
CSCtk54930	Traceback is observed when the no cable bonding-group-secondary command is executed.
CSCtk56047	The transition from the peak rate to the maximum sustained rate, when the burst allowance is exhausted, is slower than that specified by DOCSIS.
CSCtk56400	Traceback is observed after the IPv4 VPN is configured and deleted over 1000 times.
CSCtk59012	After PRE switchover, the new standby PRE goes in "progress to standby cold-bulk" state and is periodically reset by the new active PRE.
CSCtk59482	Active PRE crashes when the redundancy force-switchover main-cpu command is executed on standby PRE.
CSCtk60992	Inconsistent per upstream and per CM CNR are observed on Cisco uBR-MC3GX60V line card
CSCtk62091	Traceback is observed on PRE reset.
CSCtk65147	DOCSIS 3.0 general load balancing group (GLBG) disappears after line card revert switchover.
CSCtk66954	SPA channels are not included in the DOCSIS3.0 GLBG that is generated by the CMTS based on fiber node configuration.
CSCtk68678	UB modems are unable to recover all upstream channels.
CSCtk69319	The docsQos3CmtsDsidTable MIB values cannot be retrieved using SNMP.
CSCtk69748	When two (at least) fiber nodes (FN) are configured with a mix of modular and integrated CMs, the CMTS sends the MDD of the second FN to the CM's first FN. As a result, CMs cannot lock on to any of the MDDs and come online in iso w-online state.
CSCtk75171	Traceback is observed when the clear packetcable rks all command is executed.
CSCtk75460	After load balancing, when the cable modem (DPC2100) has moved from cable line card x/y/z to SPA card 1/0/0, the cable modem becomes layer 3 non-pingable.
CSCtk75829	The user priority bit in the VLAN header of the output WAN IPv6 packet is 6 instead of 0.
CSCtk77508	The value of attributes entPhysicalFirmwareRev and SoftwareRev are lost on some interface after PRE switchover.
CSCtk80299	The docsLoadbal3GrpStatusTable disappears after PRE switchover.
CSCtk83757	Load balance modem list should not list priority for excluded modems
CSCtk84262	PRE crash is observed after several line card and PRE switchovers.
CSCtk97694	DCID conflict is observed between primary and secondary channels in a MAC Domain.
CSCtk99818	PRE crashes with the following error message: %CHKPT-4-GET_HUGE_BUF: Client 153 buffer requested (size = 4034) is too large
CSCtl01672	Multicast authorization fails after line card switchover since CPE cannot receive traffic.
CSCtl03026	DSG tunnel statistics are displayed when the Cisco uBR10-MC5X20 line card downstream interface is in rf-shutdown state.
CSCtl06149	Wrong protect tunnel configuration cannot be directly overwritten by correct configuration. The correct configuration is accepted and the running config is changed, however it does not take into effect.
CSCtl06275	Some of the call home events are not triggered properly during SPA online insertion and removal (OIR).
CSCtl06995	The show cable mac-d cx/y/z rcc command output displays invalid rcc-id and incorrect modem count for certain valid rcc-id, after HA process is done.
CSCtl07945	Route Processor (RP) crashes when the remote-query is unconfigured and the show cable modem remote-query command is executed.
CSCtl08489	Transient Error Message "%NICKEL10G-3-N10GERREVT: TBB - ERR EVENT MSOP, port 0' is observed on Cisco UBR-MC20X20V line card during PRE switchover.
CSCtl09295	When there is a failover event to a protect line card, some MTA (built in VOIP) modems are not able to place calls.
CSCtl09709	The cable load-balance docsis-group command fails HotICE before & after test.
CSCtl11293	Multicast traffic with MQoS applied may not adhere to the MQoS configuration.
CSCtl12542	The show cable modem cpe command output does not display the cable CPE IP address.
CSCtl12898	The clear ip bgp vpnv4/6 unicast flap-statistics command does not work.
CSCtl17891	Upstream traffic of some CMs is suspended after revert back to working line card.
CSCtl18624	Route Processor (RP) crashes on multicast QoS routine.
CSCtl19597	Changing IGMP query Interval to higher interval causes the mroute to prematurely timeout.
CSCtl21075	SNMP query to fetch docsIf3MdNodeStatusMdUsSgId attribute returns 0 which is out of the range of MIB definition.
CSCtl21176	SNMP does not support bonding group across controller for IC.
CSCtl22301	When the downstream is shutdown, its ifSpeed maybe not reflect the actual speed after PRE switchover.
CSCtl23159	Duplicate MPLS pseudowires is not rejected on the CMTS
CSCtl42030	Using the show cable modem qos command can result in inaccurate downstream service flow throughput rate display.
CSCtl43853	During ISSU, HCCP static sync fails after standby line card startup.
CSCtl44317	PRE crashes when static multicast configuration with MQoS is present on the bundle and cable interfaces, and bundle interface is removed using the no interface bundle command.
CSCtl46150	The Cisco uBR10K PRE4 crashes when the upstream Cable x/y connector command is executed.
CSCtl46180	The show pxf cable multicast-echo command output for physical/logical static-mcast is empty after Cisco CMTS bootup.
CSCtl47013	The following error message is observed on the CMTS console: 003297: Jan 7 10:18:08.092 CST: %UBR10K-6-CM_INCONSISTENCY: CM state inconsistency 0000.0000.0000(msgp 0018.6812.2cb8), sid 0 (1), mac state 4, hwidb Cable6/0/0
CSCtl47107	After ISSU runversion if the ISSU abortversion is performed, some line cards do not revert back.
CSCtl50000	The show issu comp-matrix negotiated/xml output is inconsistent and confusing.
CSCtl50170	During stress testing, CPUHOG is observed during Subscriber Account Management Interface Specification (SAMIS) operations which eventually causes PRE crash.
CSCtl51338	Cisco CMTS crash is observed after ISSU process is performed twice, and issu abortversion and other show commands are executed.
CSCtl51901	The Cisco uBR-MC3GX60V line card wideband interface remains UP even if the card is powered OFF.
CSCtl51951	The value of ceAssetCLEI attribute of SPA is not displayed.
CSCtl53919	When the RFGW-10 EQAM that is connected to the Cisco uBR10K does a supervisor switchover, control plane DEPI on the Cisco uBR10K detects a false positive failure, and triggers a N+1 line card switchover for the Cisco uBR-MC3GX60V line card.
CSCtl54475	Cisco CMTS does not recognize TLV64.
CSCtl55825	The wideband cable modem on SPA goes offline after guardian line card revertbacks from protect to working card. The CM can only come NB online.
CSCtl56558	Tracebacks are observed when SFP is inserted in Cisco uBR-MC3GX60V line card, which is currently in standby state.
CSCtl57332	Throughput values for multicast service flows on Cisco uBR-MC3GX60V wideband interfaces remains non-zero after the traffic stops.
CSCtl60318	Line card, which is not in HCCP group, does not revert back after ISSU abortversion.
CSCtl70740	The US SF database of line card and route processor may be out of sync.
CSCtl71778	After the wideband SPA crashes, the PXF routes traffic to the wrong wideband SPA. This results the wideband modems, using the WB SPA, to become layer 3 unpingable.
CSCtl72835	Few wideband cable modems intermittently come online in Partial-mode.
CSCtl74296	Cisco CMTS crash is observed, when alarm status is queried and simultaneously Cisco uBR-MC5X20H line card is reset.
CSCtl76435	Alignment issues are observed after PRE switchover and when standby PRE boots up and comes up as standby.
CSCtl81115	Incorrect information in logged in SAMIS log file.
CSCtl83284	CM cannot be moved from w-online to online state.
CSCtl87156	CMTS returns an ICMP NA response for an IPv6 enabled branch router during duplicate address detection (DAD), causing branch router to deny the address assignment.
CSCtl89896	Error Messages %UBR10000-4-SERVICE_FLOW_ZERO_BLAZE_INDEX_ERROR and%UBR10000-2-CMTS_INDEX_TABLE_FULL are observed on the CMTS.
CSCtl92464	After upgrading from Cisco IOS Release 12.2(33)SCD to Cisco IOS Release 12.2(33) SCE, the modem certificates become untrusted.
CSCtl92608	The show cable dsg tunnel statistics command does not display SF or drop counter information.
CSCtl95449	When the whole chassis is reloaded, the downstream RF power is reset to 52 dBmV irrespective of what is configured under the controller. Downstream PHY error messages are also seen in the syslog.
CSCtl97410	All line card crash when the reload of the chassis is performed.

Resolved Caveats—Cisco IOS Release 12.2(33)SCE1

Bug ID	Description
CSCsg92743	Cisco CMTS router crashes when the show buffers usage command is executed repeatedly.
CSCsm10121	IOS DHCP Client incorrectly populates message-type option in DHCP lease query. The message-type option is set to 0x0d (DHCPLEASEACTIVE) instead of being set to 0x0a (DHCPLEASEQUERY).
CSCsx22124	Static routes configured in the startup config do not take into effect till the router is re-configured.
CSCsx34615	Multicast ping works only for first few seconds when a tunnel is created.
CSCtc49858	Users with lower privilege levels than enable access may not be able to execute some show cable command options.
CSCtd10712	The Cisco IOS Software network address translation (NAT) feature contains multiple denial of service (DoS) vulnerabilities in the translation of the following protocols: NetMeeting Directory (Lightweight Directory Access Protocol, LDAP) Session Initiation Protocol (Multiple vulnerabilities) H.323 protocol All the vulnerabilities described in this document are caused by packets in transit on the affected devices when those packets require application layer translation. Cisco has released free software updates that address these vulnerabilities. This advisory is posted at http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20110928-nat.
CSCtg25471	Memory leaks are observed on Cisco UBR-MC20X20V protect line card although, line card switchover was not performed.
CSCtg39286	Cable line card crashes because of IP header (IPH) length error check.
CSCth16715	Standby performance routing engine (PRE) may crash when UBR10K RP-CLC ISSU PROXY RF client fails to complete the RF_PROG_ISSU_NEGOTIATION progression.
CSCth25634	Password is prompted for twice for authentication when login authentication has the line password as fallback and RADIUS as primary.
CSCth44559	SFP Missing Critical Alarm should be cleared if the interface is in "admin shutdown" status even if SFP is not installed.
CSCth69364	Cisco IOS Software contains a memory leak vulnerability in the Data-Link Switching (DLSw) feature that could result in a device reload when processing crafted IP Protocol 91 packets. Cisco has released free software updates that address this vulnerability. This advisory is posted at http://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20110928-dlsw.
CSCth86397	Rate-limiting on the upstream channel is activated before the peak rate is reached leading to bandwidth requests being dropped prematurely on the Cisco UBR10-MC20X20 line card.
CSCti09257	The DOCSIS 3.0 PC call stops working after the media terminal adapter (MTA) goes into a partial mode of one downstream.
CSCti25339	Cisco IOS device may experience a device reload when the Cisco IOS device is configured for SNMP and receives certain SNMP packets from an authenticated user.
CSCti29484	The interface column length of show cable modem cx/y/z docsis version summary needs to be increased.
CSCti33334	CPE is not receiving multicast traffic data packets after the Cisco uBR-MC20X20V line card failover.
CSCti53112	When the Cisco CMTS acts as a TFTP proxy server for the CMs to download the configuration file, the CMTS should use IPv6 source address selection to determine the IPv6 source address for that transfer
CSCti65306	Online insertion and removal (OIR) of a shared port adapter (SPA) does not trigger call home events.
CSCti85651	The docsIfCmtsCmStatusEntry object identifier takes longer time to access the associated MIBs.
CSCti96127	The DHCP-Relay SOLICIT message from the CMTS to the DHCP server is sourced from the outgoing Gigabit Ethernet IPv6 IP address rather than the bundle IPv6 IP address.
CSCtj00656	The PRE crashes when the Internet Protocol Data Records (IPDR) session is reconfigured and when the IPDR exporter is started or stopped.
CSCtj08164	The CMTS may crash when too many rules are configured for the same IPv6 ACL group.
CSCtj14216	Line card crashes during bootup and machine check exception error is displayed.
CSCtj15176	The standby PRE4 crashes with an "Illegal access to a low address" message.
CSCtj19301	The voice dropout duration is greater than expected for "hw-mod reset" and "cable power off".
CSCtj30579	On a Cisco UBR-MC20X20 LC, cable modems (with BPI enabled) having their primary service flow on a local downstream and a secondary unicast service flow on a SPA, may lose L3 IP connectivity on the secondary service flow.
CSCtj56019	Mibwalk dot1dBridge using mst context does not return correct info.
CSCtj58426	External SNMP scripts take longer to complete when compared to Cisco UBR10-MC5X20H line cards.
CSCtj59842	Cable modems failing due to the bpi-plus-policy, come online(pt), but are blocked from sending l3 traffic using a per-device ACL. However, blocked cable modems are not easily discernible.
CSCtj60160	The Downstream Channel Descriptor (DCD) counters for DSG do not increment after a line card failover.
CSCtj65972	MRI unlink error is seen on Cisco uBR10012 router.
CSCtj66429	Adding line card table entries to ccsFlapEntry and ccsCmFlapEntry is taking a longer time than expected.
CSCtj66911	When packet classifiers are configured with IPv6, the docsIetfQosPktClassEntry MIB does not show these configured values.
CSCtj69711	When a PCMM Multicast Gate is deleted on an interface that was selected due to Service-Flow Attributes configured on the service class, and the interface is down at the time of deletion, the GC/GQC associated with the flow are not deleted correctly.
CSCtj70614	On Board Failure Logging (OBFL) Uptime application does not work on some Cisco uBR-MC3GX60V boards.
CSCtj73433	The customer premise equipment (CPE) does not receive dynamic multicast traffic.
CSCtj76035	If a cable modem undergoes vacillating attenuation, it gets into a power average enable mode (where the "*" displays in the "show cable modem" next to the power level) and then gets stuck in that mode. Even though the cable modem is at maximum power, it continues to stay in power average enable mode and never falls offline. In most cases, this results in the cable modem losing layer 3 traffic entirely without giving any notification that the modem dropped offline.
CSCtj86132	The Baseline Privacy Interface (BPI) index is zero for a w-online cable modem after the line card switchover.
CSCtj88459	The DOCSIS load balancing algorithm uses a default interval of 10 seconds, which may cause modems to be moved unnecessarily.
CSCtj90313	The show cable modem command output displays IPv4 addresses for single stack IPv6 cable modems after you change cable modems from IPv4 or dual stack provisioning mode.
CSCtj90337	Traceback observed on the Cisco UBR-MC20X20V and Cisco uBR-MC3GX60V line cards due to the Command Scheduler (KRON) configuration issue.
CSCtj90957	Sending echo requests via ping multiprotocol label switching (MPLS) pseudowire fails on a Cisco uBR10012 router.
CSCtj93145	The downstream packet is dropped instead of being forwarded by primary service flow when the downstream classifier is configured for multiprotocol label switching (MPLS) L2VPN Business Services over DOCSIS (BSoD) cable modem and the downstream packet has exp value 0 but there is no matching classifier.
CSCtj96124	A few CPE addresses are not displayed in the cable modem database.
CSCtj96343	Some downstream channels appear to be missing in the fiber node after the hardware is reset in a Cisco UBR-MC20X20V working line card.
CSCtk01750	Inconsistent values are displayed for the cable cm-status enable configuration for the UBR-MC20X20V and uBR-MC3GX60V line cards.
CSCtk02913	After performance routing engine (PRE) switchover, the IPv4 address disappears.
CSCtk03420	DOCSIS 3.0 service flow does not reach its minimum rate when channels are heavily congested with UDP traffic.
CSCtk05778	Cable modems that were marked offline after a line card switchover revert causing voice call drops.
CSCtk06967	ND DAD packets are still received by the CMTS even with a "drop all" filter group.
CSCtk07058	Secondary DEPI sessions are not configurable with third-party Edge QAM when the CMTS and EQAM are configured for DEPI Path redundancy (DPR).
CSCtk09927	When using "no card" and "card" commands to OIR two SPAs with different sequences, the following error message is displayed: %IDBINDEX_SYNC-3-IDBINDEX_LINK: Driver for IDB type '27' changed the Identity of interface "" without deleting the old Identity first (rc=8) -Process= "C10K SPUMONI SPA OIR process", ipl= 0, pid= 131
CSCtk11662	Spurious Push Button interrupts are detected by the DTCC card.
CSCtk11912	Around 30% to 50% of the cable modems go offline after line card revertback and TSS error.
CSCtk12189	Line card crash is observed during LCSO.
CSCtk14742	When debugging CA certificates or CM certificates, incorrect certificates are printed to the screen.
CSCtk15044	Layer 3 multicast module receive MLD report even if multicast authorization is denied at cable level.
CSCtk15892	High CPU utilization on the cable line card results in connectivity loss with the cable modem due to loss of IPC messages when writing encryption keys to the SPA card during high CPU utilization.
CSCtk16053	DTCC card-specific tracebacks and error messages are seen while reloading the PRE-2 on a Cisco uBR10012 router running Cisco IOS Release 12.2(32.8.10)SCE.
CSCtk16184	Modems are not steered to the right downstream even when restricted load balancing is configured.
CSCtk47563	Wideband Cable modem registered as narrowband cable modem goes offline after line card switchover.
CSCtk53207	Downstream service group is missing and the wideband cable modem does not reach w-online state.
CSCtk53242	The wideband interfaces on the 2nd and 3rd controller statistics are zero.
CSCtk61463	Wideband cable modems go offline after line card switchover.
CSCtk61573	Multicast forwarding is observed on RF shutdown interface.
CSCtk63005	Redundancy config-sync failures are seen for configurations under controller Modular-Cable x/y/z corresponding to the protect line card.
CSCtk63022	The connector mapping in run configure is cleared but the internal urm mapping is not cleared.
CSCtk63409	Long voice calls are dropped during line card switchover with all types of cable line cards when source verify is enabled on the bundle subinterface.
CSCtk64406	Downstream override is performed infinitely for narrowband cable modems.
CSCtk74768	The connector mapping in run configure is cleared but the internal urm mapping is not cleared.
CSCtl03946	Delayed downstream traffic is observed.
CSCtl04405	The CMTS assigns cable modems to Restricted Load Balance Groups (RLBGs) to which the cable modem is not physically connected to.
CSCtl05621	The Cisco uBR-MC3GX60V line card crashes with the following CPU HOG error: SLOT 8/0: Dec 15 06:00:52.223 GMT: %SYS-3-CPUHOG: Task is running for (128004)msecs, more than (2000)msecs (2418/69),process = CR10K Request dispatcher
CSCtl10779	Delay in exporting netflow traffic.
CSCtl12648	A wideband cable modem is detected as nonwideband-capable.
CSCtl18877	Redundancy config-sync failures are seen for configurations under controller Modular-Cable x/y/z corresponding to the protect line card.
CSCtl18899	Dead loop at cdxCmToCpeInetAddressType.
CSCtl21246	The CMTS may crash when "no ipdr collector" is configured, collector is connected with IPDR exporter and CONNECT messages are sent, and the TCP connection is terminated by the collector.
CSCtl57659	Some active MAC domains do not have mapped upstream receivers. The upstream PHY device driver generates error logs on failing to find the physical port.
CSCtl59089	Modems do not range on a specific upstream or MAC Domain after a line card switchover or revertback.

Open Caveats—Cisco IOS Release 12.2(33)SCE

Bug ID	Description
CSCsz49382	Cable modems do not respond to Layer 3 pings.
CSCsz98503	A time delay of a few minutes occurs when multiple cable modems go off on a random upstream.
CSCtb52191	Uptime counters do not to work on certain combination cards.
CSCtc44487	Router crashes when a Cisco UBR-MC20X20V line card is added or removed from the redundancy configuration.
CSCtc62096	Dynamic multicast service flow and reserved bandwidth exist even after the removal of the multicast QoS (MQoS) configuration from the second bonding group.
CSCtd62264	The cable modem is not reset and remains in w-online state When all non-primary DS channels are inactive and an RF channel is removed from the bonding group.
CSCte42876	The CMTS may stop forwarding traffic when it receives a broadcast packet or a IP packet with multicast VPN (MVPN) multicast distribution tree (MDT) options set.
CSCte62448	DOT 1Q Layer 2 VPN traffic counters do not increment when Layer 2 VPN traffic flows through the Cisco CMTS.
CSCtf06267	An IPv6 CPE cannot communicate with the Cisco CMTS after the ND cache is cleared.
CSCtf90859	Memory allocation failure is observed on Cisco uBR7200 router series after fast channel change with dynamic multicast.
CSCtg16155	A filesystem device does not display after the TEST_MULTIPLE_FUNCS.
CSCtg25471	Memory leaks are observed on Cisco UBR-MC20X20V protect line card although, line card switchover was not performed.
CSCtg50212	CPU spike are observed on the Route Processor during FPD image upgrade.
CSCtg90865	A non-primary Multicast (MC) interface is selected for multicast forwarding.
CSCth00131	CMTS crashes when the clear cable modem all delete command is executed.
CSCth02741	High CPU utilization is observed on Cisco CMTS while running simulation test patterns.
CSCth18889	Multicast traffic is not received by the cable modem.
CSCth32726	When a cable modem (CM) is repeatedly forced reset, the CM certificate is not always revoked although the CM certificate is revoked on the OCSP responder.
CSCth44559	SFP Missing Critical Alarm should be cleared if the interface is in "admin shutdown" status even if SFP is not installed.
CSCth54435	The customer premises equipment (CPE) fails to receive multicast traffic from the Cisco uBR10012 router, when SPA channels are added to a Cisco UBR10-MC2X020 line card with downstream service group configuration.
CSCth86397	Rate-limiting on the upstream channel is activated before the peak rate is reached leading to bandwidth requests being dropped prematurely on the Cisco UBR10-MC20X20 line card.
CSCth92926	Traceback is observed after changing the modular-host configuration to a different slot.
CSCth92967	The Cisco uBR10-MC5X20 line card crashes after changing the TEK lifetime to 180 seconds.
CSCth96329	The cable modems in Subscriber Traffic Management (STM) is not getting out of penalty after the PRE or line card switchover.
CSCti09257	The DOCSIS 3.0 PC call stops working after the media terminal adapter (MTA) goes into a partial mode of one downstream.
CSCti12590	Querying "getnext" with ipCidrRouteDest returns an OID that is not lexicographically larger than the queried OID.
CSCti12998	The cable modem might lose IP connectivity. The cable modem stays connected to the Cisco CMTS, but no data frames go trough the upstream.
CSCti15168	Packet flow increases after PRE switch or bootup, though the multicast service flow throughput shows a value of zero.
CSCti28695	The ipv6ScopeZoneIndexTable shows null interface.
CSCti29484	The interface column length of show cable modem cx/y/z docsis version summary needs to be increased.
CSCti30196	CMTS may crash when a SNMP query or any other event makes the CMTS to go through the list of ALL service-flows.
CSCti32814	Stand-by CMTS crashes and tracebacks are observed.
CSCti33334	CPE is not receiving multicast traffic data packets after the Cisco uBR-MC20X20V line card failover.
CSCti41856	Traceback occurs due to corruption of a previously freed packet buffer.
CSCti47001	The line card stops responding while monitoring the cable modem statistics.
CSCti48676	Minor multicast packet loss on a line card that is part of an Hot Connection to Connection Protocol (HCCP) group.
CSCti48805	Packet cable calls are getting stuck at 'alloc/commit' state.
CSCti48887	The key-index associated with the wideband interfaces for multicast-sessions changes after line card switchover.
CSCti53112	When the Cisco CMTS acts as a TFTP proxy server for the CMs to download the configuration file, the CMTS should use IPv6 source address selection to determine the IPv6 source address for that transfer
CSCti64789	Standby PRE is reloaded silently while assigning IP address to the bundle interface on the active PRE.
CSCti82203	cable throttle-ranging affects the cable modem registration speeds.
CSCti84775	The DTCC card in slot 2/1 does not reload after cable clock dti or no cable clock dti commands are executed.
CSCti85651	The docsIfCmtsCmStatusEntry object identifier takes longer time to access the associated MIBs.
CSCti87411	System crashes if it is reloaded during an ISSU commitversion.
CSCti88479	The active route processor crashes during the single step in-service software upgrade (ISSU).
CSCti96353	EPC3000 cable modems using SPA downstream as primary channel may be assigned with AES keys instead of 56DES.
CSCti97605	The input bytes counter displayed in the show interface cable command decrements, while the packet input increments; the 30 second input is consistent.
CSCti99130	Memory leak is observed when using the issu loadversion command after a PRE switchover.
CSCtj00656	The PRE crashes when the Internet Protocol Data Records (IPDR) session is reconfigured and when the IPDR exporter is started or stopped.
CSCtj04469	The Cisco uBR-MC20x20V line card crashed with following message in the crashdump: Unexpected exception to CPU :vector 300, PC = 0x50389C, LR = 0x50386C
CSCtj07700	Cable modems go offline when changing DOCSIS-mode from ATDMA to SCDMA or from SCDMA to ATDMA.
CSCtj11727	When a line card switchover is triggered, alignment tracebacks may occur on the new working line card.
CSCtj13148	Some UB cable modems (DPC3010) are assigned 56DES keys instead of AES keys on the line card interfaces even though they are not AES enabled.
CSCtj15176	The standby PRE4 crashes with an "Illegal access to a low address" message.
CSCtj17350	Traceback occurs when show depi tunnel command is configured without DEPI Control Plane.
CSCtj19301	The voice dropout duration is greater than expected for "hw-mod reset" and "cable power off".
CSCtj20099	Removal of the IPDR configuration causes a reboot of the standby PRE.
CSCtj37469	Upstream utilization percentage in the "show interface cable mac-sched" command may be above 100.
CSCtj47401	A Cisco uBR-MC5X20 line card that is running SNMP commands with traffic crashes.
CSCtj48852	The HCCP protect member is not found for the Cisco uBR10-MC5x20 line card.
CSCtj50102	The entAliasMappingIdentifier object does not return the ifIndex of the interfaces associated with the Cisco Wideband SPA.
CSCtj51639	Unable to telnet or attach from within Embedded Event Manager (EEM) script.
CSCtj59842	Cable modems failing due to the bpi-plus-policy, come online(pt), but are blocked from sending l3 traffic using a per-device ACL. However, blocked cable modems are not easily discernible.
CSCtj60160	The Downstream Channel Descriptor (DCD) counters for DSG do not increment after a line card failover.
CSCtj61563	During modulation change, the UCD on the upstream stop counting, which causes cable modems to go offline.
CSCtj65972	MRI unlink error is seen on Cisco uBR10012 router.
CSCtj66429	Adding line card table entries to ccsFlapEntry and ccsCmFlapEntry is taking a longer time than expected.
CSCtj66911	When packet classifiers are configured with IPv6, the docsIetfQosPktClassEntry MIB does not show these configured values.
CSCtj68730	The PCMM service flow is cleared on the Cisco CMTS; however the PS responds as "gate-set-ack" instead of "gate-set-error".
CSCtj69254	CPU HOG and traceback occur during a line card switchover.
CSCtj71869	The show memory command output displays the MAC domain name incorrectly.
CSCtj73433	The customer premise equipment (CPE) does not receive dynamic multicast traffic.
CSCtj75483	Traceback is observed on the Cisco uBR10012 router after issuing the hw-module subslot shut command on the Cisco Wideband SPA.
CSCtj76035	If a cable modem undergoes vacillating attenuation, it gets into a power average enable mode (where the "*" displays in the "show cable modem" next to the power level) and then gets stuck in that mode. Even though the cable modem is at maximum power, it continues to stay in power average enable mode and never falls offline. In most cases, this results in the cable modem losing layer 3 traffic entirely without giving any notification that the modem dropped offline.
CSCtj76460	Errors are reported on formatting of OBFL flash memory in the Cisco uBR-MC20x20V line card.
CSCtj76750	The no mlps ip propagate-ttl command displays different values for degenerated packets. This was observed when Parallel Express Forwarding (PXF) was configured and later unconfigured on the Cisco CMTS.
CSCtj77982	The dsgIfDownstreamEntry object identifier is not created for modular cable downstream interfaces.
CSCtj78901	Wideband cable modems that are downstream frequency override (DFO) by the Cisco load-balance fail to come online with the following error: UBR10000-4-REG_REQ_DS_SELECTION_FAIL: DS Selection failed for Cable Mo- dem.
CSCtj79390	The byte counter values for the docsIfCmtsDownChnlCtrTotalBytes MIB object and IPDR DS-UTIL schema DsUtilTotalBytes, for the Cisco UBR-MC20x20V and Cisco uBR-MC88V integrated cable interface are different from the Cisco UBR10-MC5X20 line cards or SPAs.
CSCtj81955	The docsIfDownChannelFrequency MIB object cannot be configured to minimum value on SPA using SNMP.
CSCtj82288	If the configuration file of a cable modem with an IPv4 management address is changed to APM mode, the Cisco CMTS recognizes both IPv4 and IPv6 addresses. However, the cable modem releases the IPv4 address and becomes unpingable on that address.
CSCtj83717	The upstream bandwidth cannot be configured on the Cisco UBR-MC20X20 line card when cable monitor is configured.
CSCtj83877	The range of docsIfDownChannelPower MIB object set through SNMP is inconsistent with the range when configured using the rf-channel and rf power commands, for modular-cable and integrated-cable interfaces.
CSCtj83888	You can configure an illegal value for the docsIfDownChannelInterleave attribute when Annex is equal to A.
CSCtj84222	Tracebacks are observed while unconfiguring RCC-template from the Cisco UBR-MC20X20V cable interface line card.
CSCtj86115	IOS mroute entry may not be deleted even when the last CPE member "left".
CSCtj86132	The Baseline Privacy Interface (BPI) index is zero for a w-online cable modem after the line card switchover.
CSCtj87104	The c10k_udi_info_table contains the PID for Cisco UBR-MC20X20V and Cisco uBR-MC3GX60V line cards as UBR10-MC20X20H and UBR10-MC3GX60V respectively. It must be changed to UBR-MC20X20V and UBR-MC3GX60V.
CSCtj87333	The non-default cable load-balance d30-ggrp-default xxxxx configuration is not reapplied to DOCSIS 3.0 General Load Balancing Group (GLBG), if the fiber node is removed and then reapplied.
CSCtj87847	Phy static-mcast should be configured on fwd_intf for static-mcast TLV.
CSCtj88459	The DOCSIS load balancing algorithm uses a default interval of 10 seconds, which may cause modems to be moved unnecessarily.
CSCtj90049	Traceback occurs on the Cisco CMTS router when the docsIfCmtsCmStatusEntry attribute is queried for cable modems registered in IPv6 provisioning mode.
CSCtj90313	The show cable modem command output displays IPv4 addresses for single stack IPv6 cable modems after you change cable modems from IPv4 or dual stack provisioning mode.
CSCtj90337	Traceback observed on the Cisco UBR-MC20X20V and Cisco uBR-MC3GX60V line cards due to the Command Scheduler (KRON) configuration issue.
CSCtj90899	When sending traffic over multiprotocol label switching (MPLS) pseudowire sessions, forwarding counters are not matched at both ends of pseudowire sessions.
CSCtj92331	The attributes docsIf3MdChCfgChId, docsIf3MdChCfgIsPriCapableDs and docsIf3MdChCfgSfProvAttrMask cannot be set through the MIB.
CSCtj93165	Downstream primary channel throughput counters are inaccurate and the throughput is higher than the maximum sustained rate value.
CSCtj88593	The Cisco CMTS router continuously sends LEASEQUERIES for the IP addresses of the customer premises equipment (CPE), when the CPE is behind an offline cable modem.
CSCtj94466	The acceptance range of some SNMP nodes of which the SYNTAX type is "BITS" is incorrect.
CSCtj96124	A few CPE addresses are not displayed in the cable modem database.
CSCtj96343	Some downstream channels appear to be missing in the fiber node after the hardware is reset in a Cisco UBR-MC20X20V working line card.
CSCtj97362	Wideband cable modems lose IP connectivity since similar DSID numbers were assigned to different modems.
CSCtk02099	Drop in packets was observed when PXF was enabled on the Cisco uBR100012 router.
CSCtk03420	DOCSIS 3.0 service flow does not reach its minimum rate when channels are heavily congested with UDP traffic.
CSCtk05778	Cable modems that were marked offline after a line card switchover revert causing voice call drops.
CSCtk07058	Secondary DEPI sessions are not configurable with third-party Edge QAM when the CMTS and EQAM are configured for DEPI Path redundancy (DPR).
CSCtk09023	Mismatch in secondary service flow between the route processor and the cable line card causes loss of traffic.
CSCtk16053	DTCC card-specific tracebacks and error messages are seen while reloading the PRE-2 on a Cisco uBR10012 router running Cisco IOS Release 12.2(32.8.10)SCE.
CSCtk16375	The CMTS sends session type AVP in ICRQ message when DPR is configured on the CMTS and the EQAM does not support DEPI Path redundancy (DPR) but sends DPR-capable AVP in SCCRP with capability bit 0.
CSCtk32866	Tracebacks and CPU spike are observed when debug cable tlvs is enabled on a Cisco CMTS running Cisco IOS Release 12.2(32.8.10)SCE with PRE-2 because of the CMTS SID management process.

Resolved Caveats—Cisco IOS Release 12.2(33)SCE

Bug ID	Description
CSCtb73450	Start-Control-Connection-Request (SCCRQ) packets may cause tunnel to reset after digest failure.
CSCtc73759	The H.323 implementation in Cisco IOS Software contains two vulnerabilities that may be exploited remotely to cause a denial of service (DoS) condition on a device that is running a vulnerable version of Cisco IOS Software.
CSCtd75033	Cisco IOS Software is affected by NTP mode 7 denial-of-service vulnerability.
CSCtd97055	Tracebacks occur while toggling IPv6 on and off on the customer premises equipment (CPE).
CSCte57149	The route processor crashes with an address error when the router is configured for Border Gateway Protocol (BGP).
CSCte67373	The router crashes after running the ios_bgp_mtr1 TC 8.
CSCte68994	After the line card switchover, the newly active line card takes a long time to come up.
CSCtf27303	The router sends Multiprotocol Unreachable Network Layer Reachability Information (MP_UNREACH_NLRI) in non-negotiated AF IPv6 unicast.
CSCtf40289	The BGP session configured for Nonstop Routing (NSR) fails to synchronize with the standby route processor.
CSCtf64231	Inbound route-map change should not be immediately effective until a user exits the route-map configuration mode.
CSCtg60088	Withdrawals are not generated when a VPN Routing and Forwarding (VRF) configuration is added or deleted.
CSCtg79258	Withdrawals are not generated when configuring the no neighbor default-originate command.
CSCtg84725	Layer 1 watchdog timeout is observed on a Cisco UBR-MC20X20V line card.
CSCth72064	The wideband cable modems connected to the downstream bonding channel group with non-primary channel impairment are unreachable. The packet count does not increase in the PRE module.
CSCti60624	Line card switchover during voice calls is crashing the protect line card.
CSCti80386	During an ISSU-MS operation, many cable modems went offline after a stateful switchover (SSO) occurred.
CSCti81896	When the ingress cancellation feature is enabled, all modems on an upstream may momentarily go offline and then recover within minutes.
CSCti96773	Upstream traffic cannot be recovered after a PRE switchover when cable modems directly go to the online(pt) state.
CSCtj28614	The input queue drops are observed on the Cisco UBR-MC20X20V and Cisco uBR-MC3GX60V line cards.
CSCtj32461	Spurious memory access traceback was observed after the IPDR Exporter was configured and initiated on the CMTS.
CSCtj37742	%SYS-4-CPURESRISING and %SYS-6-CPURESFALLING messages are generated on Cisco uBR10-MC28U and Cisco uBR-MC88V line cards.
CSCtj43578	Legacy load balancing group (LBG) should not coexist with DOCSIS LBG on the same MAC domain.
CSCtj44598	Cable modems are unable to register online.
CSCtj46384	Disabling debug cable receive and text protection may cause 100% CPU utilization.
CSCtj48567	Cable modems are getting wrongly registered with the integrated-cable interface on the Cisco uBR10-MC5X20H line card after a LC revertback from the Cisco uBR-MC20X20V line card.
CSCtj52348	The route processor crashes with Cisco uBR-MC88V and Cisco uBR10-MC28U line cards in the Cisco uBR7246 chassis.
CSCtj52597	Cable modems cannot register in the w-online state if the RF channel is configured with User Datagram Protocol (UDP) port.
CSCtj54510	PRE crashed at "docs_cpetype_ipdr_sender" after "hw-module reset" on the line card.
CSCtj60169	An intermediate session routing (ISR) watchdog timeout error is observed on the PRE forcing it to crash consequently.
CSCtj66629	The CPE behind a CM loses layer 3 connectivity after the CM is load balanced to a different interface.
CSCtj73436	DOCSIS 3.0 service flows may not meet the minimum reserved rate under congestion.
CSCtj77440	The test hccp rfswitch relay command fails to execute from the Secure Shell (SSH) mode.