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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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RSP3: IOMD crash @ iomd_bsess_open_callback_retry on new active after RP SSO |
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IMA8Z 6-port mode, hwidx not created leading to complete traffic drop |
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Mac learnt on G8032 blocked ports due to DHCPv4 discovery pkts |
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Caveat ID Number |
Description |
|---|---|
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IPv6 Tracking for route learned from IBGP neighbor is Down. |
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IOS-XE Router - High CPU When Handling get-next on "entStateStandby" MIB |
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Cisco IOS and IOS XE Software ISDN Interface Denial of Service Vulnerability |
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IPSec MIB queries returns wrong tunnel count |
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Crash after no IPv4 multicast multitopology command |
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Observing kernel: EXT2-fs error while moving between polaris and MCP_DEV |
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Incorrect Track Resolution Metric for GRE Tunnel |
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SUBALTNAME DECODE fails for APIC_EM self-signed cert when validating server identity |
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Crash in SISF while processing IPv6 packet |
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VRRPv3 with VRRS remains NOT READY after shutdown Port-channel IF. |
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Cisco IOS and IOS XE Software Network Plug-and-Play Certificate Validation Vulnerability |
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VRRP non-zero authentication data on 16.3.3 |
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MIB counter for IPSec tunnels does not decrement under high tunnel scale and churn |
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"ipsm Tunnel Entry" and "Crypto IKMP" memory leak due to IKE tunnel entry not deleted |
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Cisco IOS XE Software ISR4400 Series IPsec Denial of Service Vulnerability |
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VRRP doesnt work over Port-channel L3 interface |
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"no track resolution ip route" and "default track resolution ip route" not working |
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Interop VRRP does not work between C-edge and V-edge |
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Crash with IOSXE-WATCHDOG: Process = IPv6 RIB Event Handler |
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Reload removing IPv6 VRRP group |
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Cisco IOS XE Software Command Injection Vulnerability |
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ospf routing loop for external route with multiple VLINKs/ABRs |
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RIP does not send updates on unnumbered interfaces after reload of ISR 4k |
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Cisco IOS and IOS XE HSRPv2 Information Leak Vulnerability |
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OSPF neighbor stuck in loading after VSS switchover |
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Initial contact in IKEv1 phase 2 rekey (QM1) causes all crypto sessions to drop |
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Router fails to reserve necessary ports for VPN traffic (UDP 500 & 4500) for ISAKMP |
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BFD crash on imitating traffic loss |
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Router crashes on SSH connection with "login on-failure log" enabled |
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ESMC padding is having non-zero random values which is causing duplicate QL-TLV |
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iBGP PE-CE When Route-Reflect enable VRF import all Route Target. |
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"clear crypto sa vrf MyVrf" triggers crash after updating pre-shared-keys |
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BGP updates missing ISIS advertising-bits led to LDP label purge on peer. |
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BGP multipath feature drops a path from list after BGP update event |
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Not able to enable the CLI http-status-code-ignore |
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Bulk-sync failure due to bgp router-id interface Loopback0 |
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IP change on dialer-int does not trigger a correct "local cryto entpt"in DMVPN |
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BGP update not properly processed by inbound route-map |
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Redistributed metric is not be applied if it is in narrow-style |
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ISR4331 Routers May Crash When "eigrp default-route-tag" Configured on IPv4 AF |
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Modified EIGRP timers on Virtual-Template put all associated Vi interfaces into passive mode |
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Force QL Tx option is not working when netsync configured with more than 3 input sources. |
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RSP3: Giant counters incremented for packets bigger than 1500 bytes |
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SONET ACR Pending Object with CEM GROUP interfaces. |
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