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Fig 17-1 Typical VRRP Application Topology
SWITCHA and SWITCHB are layer 3 LAN switches in the same standby group. Set
SWITCHA to master switch.
The configuration steps are listed below:
SWITCHA:
SwitchA(config)#interface vlan 1
SwitchA (Config-If-Vlan1)# ip address 10.1.1.5 255.255.255.0
SwitchA (Config-If-Vlan1)#exit
SwitchA (config)#router vrrp 1
SwitchA(Config-Router-Vrrp)# virtual-ip 10.1.1.5 master
SwitchA(Config-Router-Vrrp)# interface vlan 1
SwitchA(Config-Router-Vrrp)# enable
SWITCHB:
SwitchB(config)#interface vlan 1
SwitchB (Config-if-Vlan1)# ip address 10.1.1.7 255.255.255.0
SwitchB (Config-if-Vlan1)#exit
SwitchB(config)#router vrrp 1
SwitchB (Config-Router-Vrrp)# virtual-ip 10.1.1.5 backup
SwitchB(Config-Router-Vrrp)# interface vlan 1
SwitchB(Config-Router-Vrrp)# enable
17.2.4 VRRP Troubleshooting Help
17.2.4.1 Monitor and Debug Commands
17.2.4.1.1 show vrrp
Command: show vrrp [<vrid>]
Function: Display the state and the configuration of the standby group
Command mode: Any Mode
Example:
Switch# show vrrp
VrId <1>
State is Initialize
Virtual IP is 10.1.20.10 (Not IP owner)