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Cisco Bug: CSCvv43137 - BGP Inconsistent flags error

Last Modified

Sep 10, 2020

Products (1)

  • Cisco Nexus 9000 Series Switches

Known Affected Releases

14.2(3q)

Description (partial)

Symptom:
ACI fabric raises the critical event E4208052 "Operation errors internal error in BGP instance"

"Inconsistent flags" messages are logged in "show bgp internal event-history logs"

Conditions:
This is happening because a BGP route is not programmed in hardware yet, at the time when we received the URIB acknowledgement for this route. This is a very timing-based transient scenario.
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