VRRP and BFD Association:
VRRP (Virtual Router Redundancy Protocol) is used to provide gateway redundancy by electing amasterandbackuprouter.
Associating VRRP with BFD (Bidirectional Forwarding Detection) allows faster detection of faults on the master device or the link between the master and the backup.
HCIP-Datacom-Core Technology Training Material (VRRP and BFD Association).
Master_Down_Timer Behavior:
Normally, when a VRRP backup device detects that the master is down (through missed VRRP advertisements), theMaster_Down_Timerdictates the failover timing.
However, when VRRP is associated with BFD:
BFD detects faults immediately (sub-second detection).
The backup device doesnot wait for the Master_Down_Timerto expire. Instead, it immediately assumes the master role upon fault detection by BFD.
[Reference:HCIP-Datacom-Core Technology Training Material (VRRP Failover Mechanism)., Why the Statement is FALSE:, The statement claims that the backup device assumes the master roleafter the Master_Down_Timer expireswhen a fault is detected by BFD., This is incorrect because BFD bypasses the need for the Master_Down_Timer to expire. The backup device transitions to the master role immediately upon BFD detecting a fault., Conclusion:, The correct behavior of VRRP when associated with BFD isimmediate role assumption by the backup deviceupon fault detection, bypassing the Master_Down_Timer., Therefore, the statement isFALSE., , ]
Submit