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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. |
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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Caveat ID Number |
Description |
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Serial IM LEDs shows inconsistent behavior while performing SSO |
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RSP3 SYSTEM PCS - Abnormal logging messages seen in RSP3 devices |
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PCIE_INTERRUPT_PIN set to 0 in Cisco RSP3 Module |
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RSP2: IOSXE-1-PLATFORM: R1/0: kernel: related logs post reload and SSO on RSP2 node |
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Last reload reason shown as poweron after kernel crash in active and standby RSP2 |
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OC3 IOMD Crashes Many Times on ISSU from V167 To V168_1 build |
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THS : Ping for 1G on 10G fails on device with 1G on 10G mode |
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rs232 raw-socket, serial IM: CPU-HOG Traceback seen while performing ISSU and SSO |
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Traceback pointing to "celebrn_geim_set_port_enable" seen after port sh/no shut |
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rs422 service is not working on ports 0 to 3 |
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in rs422 only 8 databits works, for other values traffic is broken |
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Caveat ID Number |
Description |
|---|---|
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IOS-XE display issue show hw-module subslot X/X transceiver X idprom detail |
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RSP2 : ~15sec loss traffic for /HSPW service on ISSU/sso |
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G275.2 disqualified the dynamic port even before it completely negotiated the session |
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Trace back logs are seen on Striker while loading polaris baseline image |
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QOS fails to secure teleprotection traffic on MLPPP interface |
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Class-map association to policy-map dynamically throws debug errors on logging |
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Cisco ASR-920-12SZ-IM and ASR-920U-12SZ-IM:Chassis Fails to drop to rommon after a crash |
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ASR920:EOMPLS traffic drop - Imposition FID and Disposition label is set to "NULL" |
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ASR920:Traffic fails after moving/relearning mac-address from EFP to Xconnect interface |
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ASR920 : UDLD Err Disable (Admin down) observed on performing reload operations |
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Convergence coming high on doing local_shut on Cisco ASR-920-24SZ-IM, ASR-920-24SZ-M, ASR-920-24TZ-M |
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IOT: Device crashes after upgrade to 16.8.1 |
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Caveat ID Number |
Description |
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Tx Packets or Tx Bytes generated is always lesser than configured rate-steps |
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Wrong marking for locally generated packet of BFD,LDP, and BGP |
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ASR920 - Display issue - Egress i/f and L2 stats shows "unknown" and no packet drops |
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Cisco IOS XE Software for Cisco ASR 920 Series Routers Arbitrary File Overwrite Vulnerability |
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ASR920-12SZ-IM: Mgmt default gateway not reachable with 16.6.1 polaris image |
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DHCP Snooping Database restore/renew failing on all ASR903/ASR920 variants |
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Packets not looped back 100% for LLF-external when Responder present in MIP |
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MAC-FLAP-Syslog-Not generated for TEFP BDs |
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ASR920 VPLS A-S PW : Complete traffic drop (imp and disp) over VPLS Act PW |
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ASR-920-10SZ-PD Sees Ping Loss on Built-in Te 0/0/10 or 0/0/11 Port and CRC / MAC Errors at Peer End |
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RSP2A-64 and RSP2A-128 FPGA: DDR Busy and Calibration handling in FPGA software driver |
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Require varbind entSensorPrecision,Scale & Type along with trap entSensorThresholdNotification |
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ASR920 : BDI interface went down over REP ports on triggering EEM script for DUAL_RATE_CHANGE |
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Unexpected traffic was sent out from ASR920 access port from REP ring |
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Traffic forwarding not happening for VLANs added via "encap dot1q add" command in TEFP |
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RSP2: VPLS Backup PW: Enable member bdi CLI under l2vpn xconnect context |
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Ten Gig interface going into admin down state after one gig shut down |
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MLPQ does not work on dynamic modification of queue-limit in higher priority level class. |
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IPv4 deny ACL applied in the BDI is blocking L2 switched traffic under certain conditions |
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WRT : storm-control unable to fetch correct level in percentage value, hence failing to take action |
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Egress QOS Fails when speed is changed at interface via nego auto, speed cli command |
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ASR920: 2 Xconnect TDL Messages Leaked in Cylon_Mgr on "show running-config" |
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Dynamic application of class is not allowed to the policy-map which has DSCP followed by v4/v6 ACL |
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"ZTP reset" as last reload reason in IOS when ZTP button pressed > 8sec |
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Fixed Ports moving to admin down state after IMA8S insertion |
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ZTP not triggered with Gratuitous ARP |
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RSP2A-64 and RSP2A-128 : Remove IOS syslog message for link status IDLE |
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IOS XE entSensorThresholdNotification trap is not generated for Card Temperature |
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Fan speed display in IOS not matching the actual written value and read value |
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Device crashes on dynamically attaching a class to a policy . |
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Cisco ASR-920-12SZ-IM and ASR-920U-12SZ-IM: Traffic is not flooding on all the interface for same TEFP BD |
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Dest-mac + type-field in Ethernet header checks need to be added for G-arp packets to trigger ZTP |
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ASR920: All BFD Sessions Down as FPGA Stuck due to invalid Packet Length and Offset Error in DDR3 |
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ASR920:Traffic fails after moving/relearning mac-address from EFP to Xconnect interface |
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QoS: Configuration failed. Cannot configure more than one access-group per class |
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