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Unable to ping the VIP of a VRRP session on VDX

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TitleUnable to ping the VIP of a VRRP session on VDX
Symptoms
  • Unable to ping the virtual IP of a VRRP instance.
  • Physical addresses of the switch are pingable.
Environment
  • VDX
  • Network OS
  • NOS 7.3.0a
Cause
The issue is caused by defect NOS-57563. Internal FIB (Forwarding Information Base) is out of sync with ARPd data base.
Resolution
The permanent solution is to upgrade to NOS 7.4.0 or NOS 7.2.0b.

A workaround for the issue is to failover the VRRP master by changing the priority of the backup. This allows the FIB to sync with the ARPd database.
Additional notes

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