Open Caveats – Cisco IOS XE Dublin 17.12.7
There are no open caveats in this release.
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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.
The bug IDs are sorted alphanumerically.
![]() Note |
The Caveats section includes the bug ID and a short description of the bug. For details on the symptoms, conditions, and workaround for a specific caveat you must use the Bug Search Tool. |
There are no open caveats in this release.
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Headline |
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After upgrading to 17.12.4/5, no Rx values can be received on interface Te0/0/26. |
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Multicast ASM traffic replication issue when RP-PE is located after the LHR. |
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Syslog entry is not available for manual switch. |
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Identifier |
Headline |
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REP loop formed with multicast MAC when advertised via VRRP protocol. |
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Smart licensing is not remaining registered status while the upgrading OS. |
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Memory leak due to chunk manager process in router. |
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Router goes down with nested peer-policy templates. |
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Identifier |
Headline |
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CFM MIP auto-creation issue: MIP not displayed in link-traces. |
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Identifier |
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Enabling T1/E1 TPoP causes latency for control plane packets. |
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Silent reload of 3GMS IM due to PCI transaction failure. |
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RSP reboots while configuring CEM IDs on ACR. |
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LDP session flap causes memory leak for EMPLS3LD which leads to RSP crash. |
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L-bit propogation not enabled for LOF alarm after T1/E1 framing change with framed SAToP. |
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Identifier |
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Silent reload happens on router. |
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Message to be displayed for M13 framing when configured with clear-channel. |
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Identifier |
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L2VPN pseudowire configuration is causing the GNMI state go down |
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Identifier |
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QoS performance enhancement for tagged EVC |
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Port LED status glows in green color even after the peer end connection is removed & same vice versa |
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Identifier |
Headline |
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Unable to remove service-policy from from standby member link |
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Lost CEM circuit configuration after reboot |
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Unable to remove the service instance under interface |
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The show platform ha cef ip/ipv6 command is displaying partial output for POCH interface |
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The router drops Wake on LAN (WoL) packet for directly connected interface |
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IP services are down in the device after each reboot |
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The process pubd is not running in NCS4201-02 and RSP2 device |
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ISIS: Counter for the number of redistributed routes does not get decremented |
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Identifier |
Headline |
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NCS4201-02: traffic drop seen when BW on the Gig interface is changed to 100 Mb with MTU beyond 5000 |
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3GMS Serial interface protocol down with specific Modem |
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Netconf RPC failed to apply if increase mpls MTU limit to 9644 bytes |
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Serial cease traffic when configuring module other port |
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Port LED status glows in green color even after the peer end connection is removed and same vice versa |
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CPE SIT: Data structure error pointing to rsvp-db during TE FRR |
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Increased CPU after upgrading router to 17.6.3 from 16.9.4 when 1000 SLM/DMM sessions are configured |
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Identifier |
Headline |
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OCX: traceback seen IOSXE_RP_SPA-3-IOMD_CONFIG_FAIL: when mode sonet is configured. |
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NCS4200-3GMS: With rate of OC-12, the threshold sf-ber 3 is added under the |
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Cisco IOS XE Software Web UI Privilege Escalation Vulnerability. |
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VC Down due to control-word negotiation |
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When certificate issue |
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ISIS: Redistribution prefix threshold is reached with lesser prefixes. |
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BFD session down alarm does not clear after fault recovery. |
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Identifier |
Headline |
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IP SLA Multicast configuration Not Working |
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Service Instance IDs of integers 4001-5000 is not supported. |
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VRF is not deleted after replacing default configuration. |
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Netconf RPC failed to apply if MPLS MTU limit is increased to 9644 bytes. |
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Unable to remove the service instance under interface. |
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Remove vulnerability in open port. |
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Identifier |
Headline |
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IMASER14A/S does not boot. |
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The "show version" does not display details of T1/E1 interfaces for 8D and 32D IMs. |
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Mcast data traffic is getting dropped over vpls. |
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Frame loss seen for 64 bytes packet size for rate step 2333333/all kbps. |
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No snmp trap link-status get re-added after IM reload. |
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PAIS alarm get reported after IM OIR. |
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Display issue when Label pointing in LB object in BGP-PIC edge case. |
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FR Port mode - show interface CLI does not display FR PW statistics. |
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Loopback local on 3GMS IM causing BIP B2 counters increment under show controller CLI. |
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SFP not detected due to checksum error. |
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Power sensor threshold warning alarms in EPNM. |
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Node reload observed after routing change in core. |
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Controllers are down due to LP-LOP alarm After CE reboots. |
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DS3_ADMIN_DOWN gets cleared after IM OIR and displaying LINK_DOWN alarm in 3GMS. |
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Time stamp issue on Transparent clock for 1G PORTS. |
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rs232 ASYNC PW service with full scale seeing packet and byte drops intermittently. |
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RSP2: All readings for Power supply unit reflect as zero though the unit is functional. |
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In IMA32D/IMA8D card, sometimes change in E1 controller config(after ctrlr flap)results in IM reboot. |
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Cylon error logs during reload. |
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After SSO: False Alarm on CNAAP. |
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ISIS neighbors flap during switchover when authentication is enabled. |
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VRF Static Route Redistribution into EIGRP fails. |
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External R1 10M is not selected after double SSO with GNSS. |
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RSP2 UDP pseudowire stuck in activating. |
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ISIS crash when performing TI-LFA calculation. |
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Seen traffic drop with BDI shut (IP_FRR configs). |
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Identifier |
Headline |
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PTP-G8275.1 Profile - High Offset Seen on BC th data traffic. |
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With traffic ON, when speed lowered on ASYNC port, SYNC port CEM traffic gets impacted. |
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The isis hello-interval minimal configuration causes ASIC lock. |
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LLDP does not announce dynamically assigned VLAN. |
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RSP3:<group>0</group> additional value gets added during fetch, applying the same config fails. |
Cisco Bug Search Tool (BST), the online successor to Bug Toolkit, is designed to improve effectiveness in network risk management and device troubleshooting. You can search for bugs based on product, release, and keyword, and aggregates key data such as bug details, product, and version. For more details on the tool, see the help page located at http://www.cisco.com/web/applicat/cbsshelp/help.html