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Cisco Bug: CSCvu50166 - Clear BGP leads to fib_mrg crash when GRE DST reachable via IGP and BGP both

Last Modified

Sep 02, 2020

Products (1)

  • Cisco Network Convergence System 5500 Series

Known Affected Releases

7.1.2.BASE

Description (partial)

Symptom:
Clear BGP leads to fib_mrg crash when GRE DST reachable via IGP and BGP both

Conditions:
GRE DST reachable via IGP and BGP and then when BGP route flaps lead to this continuous crash.

IGP Path being available plus the clearing of BGP caused the GRE destination address (a.b.c.d/8) to be resolved on both recursive (BGP) and non-recursive (IGP) path leading to issue.
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