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Cisco Bug: CSCvt75301 - leaked to IPv4 from VPNv4 unicast routes may not be advertised to BGP neighbors

Last Modified

Sep 02, 2020

Products (11)

  • Cisco ASR 9000 Series Aggregation Services Routers
  • Cisco ASR 9910 Router
  • Cisco IOS XR Software
  • Cisco ASR 9922 Router
  • Cisco ASR 9010 Router
  • Cisco ASR 9904 Router
  • Cisco ASR 9006 Router
  • Cisco ASR 9001 Router
  • Cisco ASR 9901 Router
  • Cisco ASR 9906 Router
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Known Affected Releases


Description (partial)

route(s) of interest will be showing as not advertised:
RP/0/RSP0/CPU0#sh bgp ipv4 unicast
BGP routing table entry for
  Process           bRIB/RIB  SendTblVer
  Speaker          265107854   265107854
Last Modified: Feb 26 01:03:17.760 for 1d09h
Paths: (2 available, best #1)
  Not advertised to any peer.                                 <<<<<

one scenario is known.
1. Source BGP speaker leaking the route should have both IPv4 unicast and IPv4 labeled-unicast AFI/SAFI in one session.
2. next-hop self|unchanged should be present in both neighbor section and outgoing route-policy.
3. advertise local-labeled-route safi-unicast disable should be enabled.
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Bug Details Include

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