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Cisco Bug: CSCuw33593 - Outdated version of BGP route is stuck in BGP table

Last Modified

Dec 07, 2017

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases


Description (partial)

One or few BGP routes have incorrect "SendTblVer" which was stuck months ago.
These routes are not installed into FIB, clearing BGP session doesn't help:

RP/0/RP0/CPU0:R1#show bgp all all summary
Thu Sep 10 13:56:43.629 CET

Process       RcvTblVer   bRIB/RIB   LabelVer  ImportVer SendTblVer  StandbyVer
Speaker       3892359073  3892359027  3892359073 3892359027  3892359027  3892359073

Neighbor        Spk    AS MsgRcvd MsgSent   TblVer  InQ OutQ  Up/Down  St/PfxRcd     0  65000 12500287 177962678 *3892359027* 0    0 11:38:36      89587    <<<<< currently used table version

RP/0/RP0/CPU0:s-bb4#show bgp ipv4 unicast
Thu Sep 10 13:54:00.549 CET
BGP routing table entry for
   Process           bRIB/RIB  SendTblVer
   Speaker         3881984199 3881984199 <<<<<<<< table version in use for this route
Last Modified: Feb 27 21:05:55.149 for 27w5d <<<<< route is stuck since Feb 27, but we know that BGP session was reset on Sep 10
Paths: (2 available, best #1)
   Advertised to update-groups (with more than one peer):
     0.1 0.4 0.5
   Path #1: Received by speaker 0
   Advertised to update-groups (with more than one peer):
     0.1 0.4 0.5
   Local, (Received from a RR-client) (metric 1002) from (
       Origin incomplete, metric 0, localpref 100, valid, internal, best, group-best, import-candidate
       Received Path ID 0, Local Path ID 1, version 3881984199
       Community: 65000:1000 65000:30000 65000:30200

This route is missing in "show route" and "show cef" outputs.

Seeing on XR 5.1.3
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