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users can set greater adver_interval value or set greater preempt delay time.
Example: Set VRRP timer to 3 seconds
Switch(Config-Router-Vrrp)# advertisement-interval 3
17.2.2.11 circuit-failover
Command: circuit-failover <ifname> <value_reduced>
no circuit-failover
Function: Configure the VRRP monitored interface.
Parameter: < ifname > is the name of the monitored interface
<value_reduced> is reduced value of the VRRP priority, valid range is 1 to
253.
Command mode: VRRP Mode
Usage Guide: This is an expanded feature of the VRRP backup to ensure the successful
new master router election. When the master router is down and the VRRP
priority of the backup interfaces is lower than that of the failed master interface,
the new master router election could fail. The VRRP monitored interface can
solve this problem. When the monitored interface is down, the VRRP priority of
the monitored interface is reduced. This mechanism avoids the unsuccessful
new master router election.
Example: Set the VRRP monitored interface to vlan2 and the VRRP priority is reduced by
10.
Switch(Config-Router-Vrrp)# circuit-failover vlan 2 10
17.2.3 Typical VRRP Application
Scenario:
SWITCHA
SWITCHB
Vlan 1
Vlan 1