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Barracuda Link Balancer

What is the heartbeat algorithm for failovers?

  • Type: Knowledgebase
  • Date changed: one year ago
Solution #00007695



Answer:


What is the heartbeat time interval on the VRRP interface (ie; 1 heartbeat per every x seconds)? 
[1 heartbeet(advertisement ) per 2 second ]

How many missed heartbeats trigger a failover? 
[ 3 (3*2)- MasterDownIntervel +skew time (0.4/0.6) ~= 6.4 seconds for Primary ( in Active mode ) and 6.6 seconds for Secondary (in active mode )]




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