Cisco Bug: CSCvu32350 - ORR 6PE: optimal route reflection configure under non-default vrf is not blocked
Sep 28, 2020
- Cisco ASR 9000 Series Aggregation Services Routers
Known Affected Releases
Symptom: BGP might crash continuously when bring up CE neighbors. Conditions: The following conditions are all needed to true to see the bgp crash: 1. addpath route-policy has backup install configured route-policy addpath set path-selection backup install set path-selection all advertise ! 2. addpath policy need to be used under address-family vpnv4 unicast and/or vrf address-family ipv4|ipv6 unicast. router bgp xxxx address-family vpnv4 unicast additional-paths selection route-policy addpath ! vrf foo rd 1:1 address-family ipv4 unicast additional-paths selection route-policy add-path-to-ibgp ! ! 3. optimal-route-reflect group configured under non-default vrf router bgp xxxx vrf foo address-family ipv4 unicast optimal-route-reflection orr-grp-1 184.108.40.206 ! ! ! 4. Remote PE has the same rd for vrf foo. Then bgp will crash when bring up the CE neighbor if the same route is received from CE and from remote PE.
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