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After a recovery of the configured VRRP master, L3 connectivity issues are seen for hosts using the VIP as a gateway

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TitleAfter a recovery of the configured VRRP master, L3 connectivity issues are seen for hosts using the VIP as a gateway
Symptoms
After a recovery of the configured VRRP master, L3 connectivity issues are seen for hosts using the VIP as a gateway
Environment
  • VRRP
  • BGP
Cause
VRRP fails over faster than BGP neighborships can re-establish. Due to this, the VRRP master does not have a full routing table when preempting, leading to connectivity issues.
Resolution
Configure a preempt delay on VRRP to allow time for BGP to reconverge prior to preemption occurring.

Alternatively, configure VRRP to not preempt, so that there is no VRRP reconvergence after a recovery of the master.
Additional notes

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