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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. |
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Identifier |
Headline |
|---|---|
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Cisco IOS XE Software Web UI Privilege Escalation Vulnerability |
There are no open caveats in this release.
There are no resolved caveats in this release.
There are no open caveats in this release.
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Identifier |
Headline |
|---|---|
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PEGM/RSP2: Rommon and fpga upgrade synchronization during autoupgrade |
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BGP neighbor cannot up with bfd strict-mode configured |
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Software solution to detect the BAD PSU |
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Identifier |
Headline |
|---|---|
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ASR920: Controllers are down due to LP-LOP alarm After CE reboots |
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ASR900 may experience an unexpected reset when configuring or using interface BDI >= 4097 |
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BFD Session with authentication with 16 or more characters remains down |
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MVPN Profile 14 : Data MDT traffic not flowing with 2 paths when OSPF cost configured on 1 path |
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G.8032: Ring brief output doesnt display the Block port flag in Idle state |
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Mac learning not happening for TRUNK EFP BDs associated with VPLS and the traffic are dropped |
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Identifier |
Headline |
|---|---|
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ASR920/Cylon Duplicated unicast ARP packets |
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ASR920 drops L2 multicast traffic upon REP topology change |
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Multihop BFD transit packets getting droppedn on ASR920 after upgrade to 17.3.3 |
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Identifier |
Headline |
|---|---|
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RSP3/ASR920/RSP2:node crashed @ l2rib_obj_peer_tbl_cmd_print |
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Identifier |
Headline |
|---|---|
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IM goes continous reboot for a PCIE bus error |
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Memory leak on ptpd_uea process |
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Identifier |
Headline |
|---|---|
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CEM26K : confiig / unconfig of CEME26K circuits causes 1-2 ckts in down state in standby mode. |
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VPLSoBKPW:MAC not flushed/withdrawn in remote peer on VC swichover from active to standby mode. |
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MVPN Profile 14 : Data MDT traffic not flowing with 2 paths when OSPF cost configured on 1 path |
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16.12.3 ES: Active RP crashed due to UNIX-EXT-SIGNAL: Segmentation fault(11), Process = BFD events |
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[17.5 EIGRP] Deleting bgp config does not remove the redistribute vrf CLI under Eigrp process |
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SSH to IPv6 LinkLocal address don't work without explict "ip ssh source-interface" configuration |
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Caveat ID Number |
Description |
|---|---|
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Xconnect Interface Flapping is seen when shut/no shut is issued or hardware failure occurs in path of Xconnect |
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MAC Table and L2VPN EVPN Table are out of sync |
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iMSG serial interfaces bitrate/sec data is displayed incorrectly in show command output |
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Cannot delete recovered clock configuration from STS-3c |
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LLC frames are getting looped back due to autonomic networking |
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Router will crash when zeroised RSA key is regenerated |
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MTU programming for MPLS L2 VC may fail after interface flaps |
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STS1E controller bay/port is wrong in controller UPDOWN syslog during T3 alarm |
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TPOP T1 SATOP : Cable length range needs to be changed to be consistent with the IMA48D/IMA3G |
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HQoS on egress TenGig interface is not working properly |
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Caveat ID Number |
Description |
|---|---|
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mlacp backbone interface defined in netconf as Container instead of list entry |
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IOS-XE : IPSLA ICMP-Jitter over L3VPN results incorrect jitter value. |
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NSO configuration push failure is seen due to GETCONF on BD gives additional value “mac learning” |
There are no open caveats in this release.
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Caveat ID Number |
Description |
|---|---|
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ICCP is stuck on CONNECTING state after RSP SO on Active PoA |
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Caveat ID Number |
Description |
|---|---|
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ACL entries with FRAGMENT keywords are not working on the ASR920 platform |
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When you insert 10G XFP in 10G port from 1G SFP, multicast traffic stops |
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Ingress Policy with set qos-group action creates extra TCAM entry with match on egress policy |
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Wrong SNMP traps are generated for high voltage threshold violations |
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IPSG does not deny traffic for few VLANS / BDs when DHCP binding entry does not exist |
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USB flashcards are not mounted on new ASR-920-12CZ-A |
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MH-BFD over IPv6 stops working after upgrade |
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DHCP packets get dropped in case snopping is enabled |
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ASR-920-12SZ-IM, ASR-920-12SZ-A/ASR-920-12SZ-D: Fan speed control measures for overheating router |
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Caveat ID Number |
Description |
|---|---|
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NETCONF datastore PTP data may unsync from running configuration |
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Caveat ID Number |
Description |
|---|---|
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Cannot delete recovered clock configuration from STS-3c |
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MTU programming for MPLS l2 VC may fail after interface flaps |
There are no platform independent open caveats for this release.
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Caveat ID Number |
Description |
|---|---|
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Router crashes while deleting a BFD session |
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PTP failure due to LSMPI buffer exhaustion |
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ASR-920-12SZ-IM, ASR-920-12SZ-A/ASR-920-12SZ-D: Fan speed control measures for overheating router |
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Caveat ID Number |
Description |
|---|---|
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Unnecessary RIB updates are observed when metric-style transition is configured |
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Traceback: IP SLA triggers INJECT_HDR_LENGTH_ER and INJECT_FEATURE_ESCAPE log messages |
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Cisco RSP2 module crashes after BGP flaps |
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Resequencing ACL with remarks only resequences permit or deny entries, remarks are not changed |
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BGP fall-over is not working when Null0 static route is configured |
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Changing external route tag does not update origin code in BGP |
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Pseudowire interface may be unexpectedly removed from VFI on unrelated configuration change |
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Unsupported interfaces for 'logging event link-status' needs to be removed in mapping |
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Caveat ID Number |
Description |
|---|---|
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Interface flaps and input errors are seen with optics GLC-FE-100BX-D in ASR920-12CZ |
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Caveat ID Number |
Description |
|---|---|
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CEM26K : confiiguration or unconfiguration of CEME26K circuits causes 1-2 ckts in down state in standby Cisco RSP3 module |
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[SVSP-457]-Full throughput is not working priority shaper percent is greater than ~40" 4206/4216 over 100g NNI |
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MTU changes on access interface causing low memory and stby RSP crash |
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Standby RP IOSD crashes continuously when serial acr nxds0 configs are applied |
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HS2 node is chasing with core generation and core is pointing to EFP process |
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Router may not send PIM register message if RP is reachable over TE tunnel |
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Caveat ID Number |
Description |
|---|---|
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EDPL enhancement: Attach or detach pre-exising service-policy on EDPL is started or stopped |
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Automatic reload should happen after disabling platform bridging TCAM handling |
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ASR-920-12SZ-IM, ASR-920-12SZ-A/ASR-920-12SZ-D: Fan speed control measures for overheating router |
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Caveat ID Number |
Description |
|---|---|
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Incorrect BC value is seen under show policy-map command when user-defined percentage based CIR is defined |
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Caveat ID Number |
Description |
|---|---|
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Incorrect STP forwarding state programming occurs in platform |
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OOM kernel crash is seen in 3node stitching while using workarounds to recover traffic |
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PTP failure due to LSMPI buffer exhaustion |
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Caveat ID Number |
Description |
|---|---|
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Interface flaps and input errors are seen with optics GLC-FE-100BX-D in Cisco ASR920-12CZ |
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PTP failure due to LSMPI buffer exhaustion |
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Caveat ID Number |
Description |
|---|---|
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Bulk License 'Out of Compliance' support |
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VTY lines higher than 5 cannot be configured on NVGEN |
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show pl ha pp act interface command output does not show priority queue (HPCT) packet counters |
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ISSU does not work on RSP2 nodes |
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Random number of physical interfaces goes AdminDown when a single interface is shut down |
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After IPv6 nd cache is expired, transit traffic fails when ECMP is enabled |
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The interface output of CEM traffic rate is incorrect on the router |
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Duplex half change to full after reload |
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Bundle 43r ROMMON Changes to 17.3.1 |
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Ports on Cisco ASR920-12SZ-D do not come up when 1G SFPs are used |
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PPPoE VSA tags gets overwritten at each PPPoE IA |
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ASR-920-12SZ-IM, ASR-920-12SZ-A/ASR-920-12SZ-D: Fan speed control measures for overheating router |
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
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