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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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Frames with packet size lesser than Port MTU and greater than 1500B counted as Giant Frames |
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Caveat ID Number |
Description |
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ASR902-RSP2 crashed after BGP flaps |
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IPv6 BGP update is not applied after changes to inbound route-map |
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Changing external route tag does not update origin code in BGP |
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IPSLA UDP-jitter: Packets are sent at appx 2ms less or more than the config packet interval |
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Caveat ID Number |
Description |
|---|---|
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ISIS frames not forwarded transparently |
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Caveat ID Number |
Description |
|---|---|
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Dynamic neighbor does not form when peer-group is shutdown in different vrf |
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BMP BGP server can lead to CPUHOG and crashes |
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Traceback: IP SLA triggers INJECT_HDR_LENGTH_ER and INJECT_FEATURE_ESCAPE log message |
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BGP: advertised community list is malformed due to GSHUT community |
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BGP fall-over not working when Null0 static route is configured |
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Pseudowire interface may be unexpectedly removed from VFI on unrelated configuration change |
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BGP IPv6 link-local session does not come up |
There are no Open Caveats for this release.
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Caveat ID Number |
Description |
|---|---|
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Egress drops are always observed in the interface counters |
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Y1731-DMM reports a very high delay and jitter values periodically |
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After restart smart license registration will fail |
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Caveat ID Number |
Description |
|---|---|
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Y1731-DMM reports a very high delay and jitter values periodically |
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Caveat ID Number |
Description |
|---|---|
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hw-util logs need to suppress while rommon upgrade |
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External alarms not working for alarm pins one to three |
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NCS520: link type set to "no negotiation auto" for 10G ports. |
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NCS520: TFTP download time enhancement with BDI interface. |
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Caveat ID Number |
Description |
|---|---|
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Dom3::shut/no-shut on member link causes cpu to drop all control protocol pkts. |
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External Alarms not working for alarm pins one to three |
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During powercycle Dying GASP is not getting generated to remote peer on all the ports. |
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Caveat ID Number |
Description |
|---|---|
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STP peering not working on BD where there is a logical BDI interface created for the same. |
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Shaper calculation should be done in L1 rate. |
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Caveat ID Number |
Description |
|---|---|
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Dom3::shut/no-shut on member link causes cpu to drop all control protocol pkts. |
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External Alarms not working for alarm pins one to three |
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During powercycle Dying GASP is not getting generated to remote peer on all the ports. |
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Caveat ID Number |
Description |
|---|---|
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LLDP TX not working on few ports after the router is reloaded |
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Caveat ID Number |
Description |
|---|---|
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Dom3::shut/no-shut on member link causes cpu to drop all control protocol pkts. |
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External Alarms not working for alarm pins one to three |
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During powercycle Dying GASP is not getting generated to remote peer on all the ports. |
There are no new Resolved Caveats for this release.
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Caveat ID Number |
Description |
|---|---|
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LLDP TX not working on few ports after the router is reloaded |
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Caveat ID Number |
Description |
|---|---|
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Dom3::shut/no-shut on member link causes cpu to drop all control protocol pkts. |
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External Alarms not working for alarm pins one to three |
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During powercycle Dying GASP is not getting generated to remote peer on all the ports. |
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Caveat ID Number |
Description |
|---|---|
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Router may reload in BGP Router process when interface flap occurs with IPv6 MPLS per vrf routes |
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Strict SID has NOT been enabled in ISIS segment-routing |
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Subscriber session hangs after the upgrade and reload |
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Host crashes the DSP if ipv6 commands are configured under Service-Engine [Purge ipv6 config option] |
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Crash under AFW_application_process with shared-line configuration |
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CUBE does not forward 200 OK in SRTP-RTP scenario with TCL script on Dial-peer |
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TCP closed when using Virtual IP HA(high availability)setup with WSAPI registration |
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ISR not recalcluating the hash value correctly after payload change |
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Configuring more than 5k NAT entries cause high CPU utilization with no traffic. |
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Caveat ID Number |
Description |
|---|---|
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Port-channel load balancing is not evenly distributed for known unicast traffic across multiple VLANS |
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NCS520 does not generate CFM Continuity Check message, when MEP interface is being shutdown |
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Support for NTP broadcast functionality in NCS520 |
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Port-channel MTU configs do not get synced to all member links. |
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Caveat ID Number |
Description |
|---|---|
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IOS-XE Fails to correctly populate RTCP SSRC Field |
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ASR CUBE 1K reloaded with reason: RG-application reload on voice-b2bha RG |
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CME with external SIP trunk registration results into crash |
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Voice VRF with No Bind OPTIONS Ping response not sent |
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Crash after failing to modify xcode |
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Crash during Generic Call Filter Module cleanup |
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Crash in XDR process: "fib_rp_table_broker_encode_buf.size <= FIB_RP_TABLE_BROKER_ENC_BUF_SZ" |
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ISR4K PPE ucode crash when processing ipsec traffic on CWS tunnel |
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OSPF originates default route without "default-information originate" |
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OSPF routing loop for external route with multiple VLINKs/ABRs |
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VASI NAT: FTP ALG translation is sometimes failed |
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PKI:-IP address parsing issue while printing the subject name if classless IP is used in Trustpoint |
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CSR1k-FlexVPN: Spoke to Spoke: Implicit NHRP entry due to expired resolution request handling. |
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Router returns 255 length byte-stream chars instead of actual length for OSPFV2 Key-string |
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OSPF SR uloop : After issuing clear ip ospf process OSPF process crashed. |
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BGP high CPU when config 256k vxlan static route |
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Hoot-n-holler multicast traffic marked with DSCP 0 |
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CUBE is using wrong source IP address to send SIP error |
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BGP crash while running show command and same time BGP peer reset |
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Unable to remove command ip nat inside destination |
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Modification to ZBFW access-lists do not reflect in TCAM |
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When using VRF NAT port used for ftp data is not freed |
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Router crash in ISIS with SR Ti-LFA |
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MGCP status remains Down after IOS upgrade caused by CSCvh70570 |
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High Availability system with two Voice Gateways - Crash |
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Crash when shifting the layer 2 LACP member peer from one link to another |
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Router crash - AFW_application_process |
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Initial contact in IKEv1 phase 2 rekey (QM1) causes all crypto sessions to drop |
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Random crash of data plane with SRTP-SRTP / SRTP-RTP load tests |
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Crash due ZBF + NAT |
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Extension Mobility Not working when used with Greek locale on SIP CME |
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CUBE incorrectly fomats SIP SDP |
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No calls shown in output show call active voice brief on CUBE & stale entries are present |
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CUBE is not responding to SIP INFO |
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Observed IPv6 Adj memory leaks |
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Incorrect Contact port 5060 used instead of 5061 by CUBE in 302 Moved Temporarily message |
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%FMFP-3-OBJ_DWNLD_TO_DP_FAILED:fman_fp_image:xxx" appears when configured ip port-map on Router |
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ICMP unrechables are not sent to the client on C1117 platform |
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Rework need on CSCvj59170 to support SDP parsing |
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CPP-mcplo-ucode crash while encrypting SIP packets with ALG NAT for SIP |
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SIP CME Crashes when Calling Shared Line |
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CME/BE4K: Corrupted config file for Auto Registered IP Phones after reload |
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ACL dropping packets after updating it - %CPPEXMEM-3-NOMEM |
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Crash due to communication failure - IPC (Inter-Procedure Call) messages between DSP and RP. |
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Caveat ID Number |
Description |
|---|---|
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NCS520: Ten Gigabit Ethernet interface failed to come up after the iomd crash. |
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During powercycle Dying GASP is not getting generated to remote peer on all the ports. |
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Port-channel MTU configs do not get synced to all member links. |
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Shut or no-shut on member link causes CPU to drop all control protocol packets. |
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Port-channel load balancing is not evenly distributed for known unicast traffic across multiple VLANs. |
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External alarms are not working for alarm pins of range one to three. |
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Caveat ID Number |
Description |
|---|---|
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The status of control-processor health is reported as unknown. |
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Queue-depth stats are not shown in show policy-map ouput even with full queue buffer consumption. |
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Set cos is not rejected on a egress policy-map. |
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EFP policy in H-QoS fails after interface speed is changed manually. |
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Randomly node reloads after ptpd_uea crash. |
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NCS520 node stuck after kernel panic. |
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The btrace logs rotation failed and bootflash size reduced after format bootflash. |
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The tamd process crash seen with multiple reloads. |
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With back-to-back connection on the copper ports, the ports are not coming up in 100M speed. |
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