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Cisco Bug: CSCun63547 - IOS-XR BGP to handle version wrap gracefully

Last Modified

Jul 18, 2020

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases

4.2.1.BASE 5.2.2.BASE

Description (partial)

Symptom:
One or more BGP threads enter a loop wherein each thread continuously acquire and release mutex for one prefix (the prefix could be different for different threads). BGP versions increase rapidly.

Conditions:
The BGP version must wrap (i.e., version increase happens in excess of 2^32 times).
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