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Cisco Bug: CSCup01070 - BGP Graceful Restart receiving speaker sends TCP RST to the new session

Last Modified

Jul 20, 2018

Products (1)

  • Cisco ASR 9000 Series Aggregation Services Routers

Known Affected Releases

4.3.4.ROUT

Description (partial)

Symptom:
After BGP Graceful Restart, convergence time is longer than it could be.

Conditions:
During BGP Graceful Restart the ASR9K, acting as receiving speaker, sends a TCP RST for the new TCP connection to the restarting speaker when the new BGP session is re-established after the Graceful Restart. Subsequently, it establishes a new connection to continue the GR.
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