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Cisco Bug: CSCtb36849 - BGP NSR neighbor flaps when sending many withdraw

Last Modified

Jan 28, 2017

Products (1)

  • Cisco IOS

Known Affected Releases

12.2(33)SB3 12.2(33)SB6 12.2(33)SB7

Description (partial)

Symptoms: BGP neighbor flaps when many withdraws are sent out to the neighbor.

Conditions: The symptom is observed when:

1. RP is redundant and "ha-mode sso" is configured,
2. There are many withdraws that cannot be sent out in one update packet.
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