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Cisco Bug: CSCvu00257 - [VPC-DI] BFD sessions down following spine switch reboot.

Last Modified

Oct 10, 2020

Products (2)

  • Cisco ASR 5000 Series
  • Cisco ASR 5000 Series

Known Affected Releases

21.11.16 21.12.16 21.12.17 21.16.6 21.17.8 21.18.6 21.19.0 21.19.n1 21.20.0 21.21.0

Description (partial)

BFD sessions go down following spine switch reload. They stay down until VPC-DI sees packet from neighbor or a manual ping to neighbor is initiated.

Problem is only present in VPC-DI systems with shared subnet configurations. Problem is triggered by spine switch reload.
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