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About Cisco 1000 Series Integrated Services Routers
The Cisco 1000 Series Integrated Services Routers (also referred to as router in this document) are powerful fixed branch routers based on the Cisco IOS XE operating system. They are multi-core routers with separate core for data plane and control plane. There are two primary models with 8 LAN ports and 4 LAN ports. Features such as Smart Licensing, VDSL2 and ADSL2/2+, 802.11ac with Wave 2, 4G LTE-Advanced and 3G/4G LTE and LTEA Omnidirectional Dipole Antenna (LTE-ANTM-SMA-D) are supported on the router.
 Note |
Cisco IOS XE Cupertino 17.7.1a is the first release for Cisco 1000 Series Integrated Services Routers in the Cisco IOS XE Cupertino 17.7.x release series. |
Note |
Starting with Cisco IOS XE Amsterdam 17.3.2, with the introduction of Smart Licensing Using Policy, even if you configure a hostname for a product instance or device, only the Unique Device Identifier (UDI) is displayed. This change in the display can be observed in all licensing utilities and user interfaces where the hostname was displayed in earlier releases. It does not affect any licensing functionality. There is no workaround for this limitation. The licensing utilities and user interfaces that are affected by this limitation include only the following:
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Product Field Notice
Cisco publishes Field Notices to notify customers and partners about significant issues in Cisco products that typically require an upgrade, workaround or other user action. For more information, see https://www.cisco.com/c/en/us/support/web/field-notice-overview.html.
We recommend that you review the field notices to determine whether your software or hardware platforms are affected. You can access the field notices from https://www.cisco.com/c/en/us/support/web/tsd-products-field-notice-summary.html#%7Etab-product-categories.
New and Changed Hardware and Software Features
New and Changed Hardware Features
There are no new or enhanced features introduced in this release.
New and Changed Software Features
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Feature |
Description |
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|---|---|---|---|
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This feature introduces the set cos 3 command using which, you can configure the router to mark the packets with a cos (bitp) value. The marked packets are indicators of priority for the user and based on the priority level, bandwidth will be allocated. |
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The show ip multicast overlay-mapping command displays an underlay group address from the overlay group address which is used to troubleshoot or configure the network. The output includes the underlay group address that is within the configured SSM (Source Specific Multicast) address range. |
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This feature introduces Flexible NetFlow (FNF) support on Bridge Domain Virtual IP Interfaces (BD-VIF). Flexible Netflow provides improved optimization and performance, enhanced security, and increased flexibility and scalability to the network. You can configure FNF on a BD-VIF using the ip flow monitor command. |
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Storm Control Support for Cisco 1000 Integrated Services Routers |
This feature prevents LAN ports from being disrupted by a unicast, broadcast, or multicast traffic storm on physical interfaces. It allows user to define the threshold rate of the traffic storm and choose the action that would be taken in storm. |
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From Cisco IOS XE Cupertino 17.7.1a, YANG models are available to configure and manage CUBE as part of the Cisco SD-WAN solution. |
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YANG Model Version 1.1 |
Cisco IOS XE Cupertino 17.7.1a uses the YANG version 1.0; however, you can download the Cisco IOS XE YANG models in yang version 1.1 from GitHub at https://github.com/YangModels/yang/tree/master/vendor/cisco/xe folder. For inquiries related to the migrate_yang_version.py script or the Cisco IOS XE YANG version 1.1 migration process, send an email to xe-yang-migration@cisco.com. |
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ZTP Configuration through YANG |
ZTP is enabled through YANG models when NETCONF is enabled. |
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Programmability Features |
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Converting IOS Commands to XML |
This feature helps to automatically translate IOS commands into relevant NETCONF-XML or RESTCONF/JSON request messages. |
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Smart Licensing Using Policy Features |
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Ability to save authorization code request and return in a file and simpler upload in the CSSM Web UI |
If your product instance is in an air-gapped network, you can now save an SLAC request in a file on the product instance. The SLAC request file must be uploaded to the CSSM Web UI. You can then download the file containing the SLAC code and install it on the product instance. You can also upload a return request file in a similar manner. With this new method you do not have to gather and enter the required details on the CSSM Web UI to generate an SLAC. You also do not have to locate the product instance in the CSSM Web UI to return an authorization code. In the CSSM Web UI, you must upload the SLAC request or return file in the same way as you upload a RUM report. In the required Smart Account, navigate to Reports → Usage Data Files. See: No Connectivity to CSSM and No CSLU, Workflow for Topology: No Connectivity to CSSM and No CSLU, Saving a SLAC Request on the Product Instance, Removing and Returning an Authorization Code, Uploading Data or Requests to CSSM and Downloading a File. |
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Account information included in the ACK and show command outputs |
A RUM acknowledgement (ACK) includes the Smart Account and Virtual Account that was reported to, in CSSM. You can then display account information using various show commands. The account information that is displayed is always as per the latest available ACK on the product instance. See: show license summary, show license status, show license tech. |
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CSLU support for Linux |
CSLU can now be deployed on a machine (laptop or desktop) running Linux. See: CSLU, Workflow for Topology: Connected to CSSM Through CSLU, Workflow for Topology: CSLU Disconnected from CSSM |
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Factory-installed trust code |
For new hardware and software orders, a trust code is now installed at the time of manufacturing.
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RUM Report optimization and availability of statistics |
RUM report generation and related processes have been optimized. This includes a reduction in the time it takes to process RUM reports, better memory and disk space utilization, and visibility into the RUM reports on the product instance (how many there are, the processing state each one is in, if there are errors in any of them, and so on). See: RUM Report and Report Acknowledgement, Upgrades, Downgrades, show license rum, show license all, show license tech. |
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Support for trust code in additional topologies |
A trust code is automatically obtained in topologies where the product instance initiates the sending of data to Cisco Smart License Utility (CSLU)and in topologies where the product instance is in an air-gapped network. See: Trust Code, Connected to CSSM Through CSLU, Tasks for Product Instance-Initiated Communication, CSLU Disconnected from CSSM, Tasks for Product Instance-Initiated Communication, No Connectivity to CSSM and No CSLU, Workflow for Topology: No Connectivity to CSSM and No CSLU |
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Support to collect software version in a RUM report |
If version privacy is disabled (no license smart privacy version global configuration command), the Cisco IOS-XE software version running on the product instance and the Smart Agent version information is included in the RUM report. |
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Cisco ISR1000 ROMMON Compatibility Matrix
The following table lists the ROMmon releases supported in Cisco IOS XE 16.x.x releases and Cisco IOS XE 17.x.x releases
Note |
To identify the manufacturing date, use the show license udi command. For example: The xxxx in the command output represents the manufacturing date.
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Cisco IOS XE Release |
Minimum ROMmon Release for IOS XE |
Recommended ROMmon Release for IOS XE |
|---|---|---|
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16.6.x |
16.6(1r) |
16.6(1r) |
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16.7.x |
16.6(1r) |
16.6(1r) |
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16.8.x |
16.8(1r) |
16.8(1r) |
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16.9.x |
16.9(1r) |
16.9(1r) |
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16.10.x |
16.9(1r) |
16.9(1r) |
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16.11.x |
16.9(1r) |
16.9(1r) |
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16.12.x |
16.9(1r) |
16.12(1r) |
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17.2.x |
16.9(1r) |
16.12(1r) |
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17.3.x |
16.12(2r) |
16.12(2r) |
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17.4.x |
16.12(2r) |
16.12(2r) |
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17.5.x |
17.5(1r) |
17.5(1r) |
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17.6.x |
17.5(1r) |
17.5(1r) |
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17.7.x |
17.5(1r) |
17.5(1r) |
Resolved Bugs in Cisco IOS XE 17.7.2
|
Bug ID |
Description |
|---|---|
|
Device rebooted due to watchdogs after issuing the commands sh crypto mib ipsec commands. |
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E1 configurations (under serial interface) lost after reload. |
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IKEv2 deprecated ciphers denied by crypto engine CDSL - PSB security compliance - DES, 3DES, DH1/2/5. |
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MGCP automatic configuration fails after IOS-XE upgrade on device. |
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Router crash due to stuck thread with appnav-xe dual controller mode. |
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Router may crash due to crypto IKMP process. |
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IKEv2 deprecated ciphers denied by crypto engine CDSL - PSB security compliance - MD5, SHA1. |
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DMVPN over DMVPN with IPSEC - return packets are dropped with BadIpChecksum. |
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CoS preservation not working for the services EVPL and EPL tunnel. |
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ZBFW: Optimized policy traffic failure due to OG edit error. |
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Flapping bidirectional/unidirectional packet capture option with ipv4 filter for long time failed. |
Open Bugs in Cisco IOS XE 17.7.2
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Bug ID |
Description |
|---|---|
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Device support IGMP on voice vlan. |
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IP device-tracking not functional with voice VLAN configured. |
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Peer MSS value showing incorrect. |
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[XE NAT] Source address translation for multicast traffic fails with route-map. |
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Excessive packet loss observed during DMVPN tunnel flapping. |
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Traceback: fman_fp_image core after clearing packet-trace conditions. |
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When configuration ip nat inside/outside on VASI intereface, ack/seq number abnormal. |
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Cellular interface tracker down but NAT route persists in the service VPN routing table. |
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Yang-management process confd is not running. |
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QFP core due to NAT scaling issue. |
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NAT translation stops suddenly (ip nat inside does not work). |
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Router reload unexpectedly two times when enter netflow show command. |
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BQS Failure - QoS policy is missing in hardware for some virtual-access tunnels after session flaps. |
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SCCP auto-configuration issues with multiple protocols. |
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After configuring match input-interface on class-map, router goes into a reboot loop. |
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Large number of IPSec tunnel flapping occurs when underlay is restored. |
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Device crashes due to CPUHOG when walking ciscoFlashMIB. |
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E1 R2 - dnis-digits cli not working. |
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Crash due to IOSXE-WATCHDOG due to management port traffic storm. |
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Device crash for stuck threads in cpp on packet processing. |
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CoR intercepted DNS reply packets dropped with drop code 52 (FirewallL4Insp) if UTD enabled. |
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CPP uCode crash due to ipc congestion from dp to cp. |
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Device incorrectly drops ip fragments due to reassembly timeout. |
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NAT translations do not work for FTP traffic. |
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Assert failure while showing FTM (Forwarding Traffic Manager) data in NH TYPE switch case. |
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Revocation-check crl none does not failover to NONE DNAC-CA. |
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CSDL failure: IPSec QM use of DES by encrypt proc is denied. |
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NAT translation do not show (or use) correct timeout value for an established TCP session. |
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Total output drops counter in show interface on port-channel does not work properly. |
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Nhrp network resolution not working with link-local ipv6 address. |
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Static mapping for the hub lost on one of the spokes. |
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ZBFW seeing the SIP ALG incorrectly dropping traffic and resetting connection. |
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CSDL failure: Use of MD5 by IPSEC key engine is denied. |
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FTP data traffic broken when UTD IPS enabled in both service VPN. |
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Device after the upgrade starts dropping GRE tunnel packets. |
Resolved Bugs in Cisco IOS XE 17.7.1a
|
Bug ID |
Description |
|---|---|
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Prevent SIP services from being blocked even if license usage ACK was not received |
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NAT HA - stale tcp sessions in standby router |
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IOS-XE Device may experience an unexpected reset in SNMP ENGINE when polling cEigrpInterfaceEntry |
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Traceback seen when cwmp wan default interface changed |
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Poor IPsec throughput performance with IPsec throughput license on IOS-XE routers |
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GD B2B crash at ipv4_nat_ha_rcv_stby_sess_del_notify_rsp |
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[SWI : #01080538 ] LTE is not reestablishing after reset of the modem |
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CPP ucode crash with route-map and overload at ipv4_nat_rmap_walk_find. |
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Signature update failure - SSL-CERTIFICATE_VERIFY_FAILED |
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CWMP: Portmapping with space in description field rejected after reload |
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CWMP: WANPPPConnection not reset when PPP credentials changed |
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CWMP wrong parameter value |
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Need Active/Active ZBFW support for Inter-vrf TCP traffic |
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Route-map corruption when configured using Netconf with ncclient manager |
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OSPF summary-address is not generated though candidate exists |
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Crash after reapplying BGP/ attempt to initialize an initialized wavl tree |
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IOS-XE Router may experience unexpected reboot with X25 RBP |
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Switchport trunk native vlan xx gets removed when upgrading from 16.12.x to 17.3.3 |
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ip pim rp-candidate command removed after reload when group list is configured |
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Large tx/rx rate on Dialer interface in show interface output. |
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RIP Yang [17.7] offset-list with interface config not shown in ios running-config |
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Unable to fetch eigrp prefix, nexthop, omptag, and route origin |
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Removal of SHA-1 HMAC Impacting ability to SSH |
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Netconf: Logging to syslog stops working in certain scenarios |
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17.6: EFT: Replicated EBGP routes from global table replacing native IBGP routes in VRF. |
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QoS policy update with random-detect dscp configuration get rejected on device side. |
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Consecutive Multicast Crashes in ISR4000 |
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CISCO-CLASS-BASED-QOS-MIB doesn't work with LTE Cellular interface on ISR1100X after reload |
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Cosmetic: Logging host configuration inconsistent between sdwan and IOS configuration |
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Qos issue on IPv6 Virtual access (tunnel ipsec) interface |
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Memory leak seen when using DNS with IP SLA |
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VG400 crashed when changing Debug Level |
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ipv6 ebgp multihop session remains in "idle" state after removal and recreation of the config |
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Cisco IOS XE crash after executing show flowspec ipv4 command |
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MAG is not detecting the path UP after several reboots |
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Secure key agent trace levels set to Noise by default |
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Device crashed on a Eigrp enabled device when Netconf get operation was used |
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MC-LAG feature cannot preserve administratively shut down sub-interfaces |
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L3 connected lite session not coming up , stuck in data-plane(qfp) |
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Crypto PKI-CRL-IO process crash when PKI trustpoint is being deleted |
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FN980 new signed Telit modem firmware FN980M_38.02.X92 upgrade failed |
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IOS-XE unable to export elliptic curve key |
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ASR1002-HX running ISG w/ IOS v17.3.3 Crashed and caused a major outage of 40K EoGRE sessions |
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Cisco8500L // 17.6.1a// Unexpected reload due IPV6 UDP fragment header in VxLAN |
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SSS manager Crash seen on latest polaris_dev image |
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Device showing wrong interface status in GUI |
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Netconf-yang: no special characters allowed in ACL |
Open Bugs in Cisco IOS XE 17.7.1a
|
Bug ID |
Description |
|---|---|
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The image info not updated in packages.conf when upgrading in autonomous mode |
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IP Community-list config out of sync |
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Multicast traffic received over DMVPN tunnel are dropped on RP and not forwarded downstream. |
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Unable to remove the BGP neighbor statement through vManage template. |
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Virtual VRRP IP address unreachable from the BACKUP VRRP. |
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Memory leak in scaled EIGRP DMVPN implementation due to EIGRP: mgd_timer |
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Router multiple crash - session hash corrupted |
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IPSec tunnel not passing traffic when IPSec tunnel is sourced from VASI interface |
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C8000v UTD container does not come up after a reboot |
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Device hitting vulnerability CVE 2008-5161 |
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SNMv3 traps failing with initial configuration |
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VRRP traffic sent while the device boots will congest the interface queue causing taildrops |
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BGP routes refreshing in the routing table after adding bgp advertise-best-external |
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Go to Products by Category and choose your product from the list, or enter the name of your product. Look under Troubleshoot and Alerts to find information for the issue that you are experiencing.
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