reg:recovry time for HSRP and VRRP between 3750 and 2960 switches

Unanswered Question
Nov 4th, 2009

Dear sir,

Failover time between primary and secondary central switch in a hirarchial network configuration in case of primary switch failure through HSRP .

what will be the time in case of VRRP.

in 2960 connected through multiple links through a central switch and spaning tree enabled what will be the time to switch over to the alternate links in case of primary link fails

plz give me any config examples


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Giuseppe Larosa Wed, 11/04/2009 - 06:15

Hello Srini,

with default timers HSRP should converge in up to 10 seconds (three missed hellos from active router)

the same should happen for VRRP.

About STP:

if using uplinkfast the time is just the time to start to use the alternate uplink + the time to detect that the primary link failed.

by the way STP has to react faster then HSRP/VRRP

Hope to help



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