Cisco Bug: CSCvv01445 - Router Crashes when advertised-routes command executed for neighbours
Aug 25, 2020
- Cisco IOS
Known Affected Releases
Symptom: ISR router crashes by executing show command for advertised routes to neighbour. Execute below command on ISR router the router hangs for some time and then crashes. MSEE-ISR4351-B#sh bgp vrf OOB neighbors 188.8.131.52 advertised-routes 192.168.1.0/24 Even with out VRF also, same observation that the router crashes. MSEE-ISR4351-A#show bgp neighbors 184.108.40.206 advertised-routes 192.168.1.0/24 Conditions: Steeps to reproduce: BGP neighborship with or without VRF. (in this example neighbour is 220.127.116.11) Execute Show command (?show bgp vrf OOB neighbors 18.104.22.168 advertised-routes 192.168.1.0/24? or ?show bgp neighbors 22.214.171.124 advertised-routes 192.168.1.0/24? Router will crash after few minutes of execution of show command. other observations: Valid BGP neighbor is required to reproduce. Any random IP address is enough after advertised-routes. No need to advertise any routes to reproduce this. an reproduce With or without VRF.
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