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78 Routing Configuration
Configuring VRRP on the Switch as a Master Router
1
Enable routing for the switch. IP forwarding is then enabled by default.
console#config
console(config)#ip routing
2
Configure the IP addresses and subnet masks for the VLAN routing interface that will participate in
the protocol:
console(config)#interface vlan 50
console(config-if-vlan50)#ip address 192.150.2.1 255.255.255.0
console(config-if-vlan50)#exit
3
Enable VRRP for the switch:
console(config)#ip vrrp
4
Assign the virtual router ID to the interface that will participate in the protocol:
console(config)#interface vlan 50
console(config-if-vlan50)#ip vrrp 20
5
Specify the IP address that the virtual router function will recognize. The interface IP address is the
same as the virtual IP address. This means the router is the
interface owner
and therefore has a priority
of 255, which guarantees that it is the master.
console(config-if-vlan50)#ip vrrp 20 ip 192.150.2.1
6
Start the virtual router on the interface:
console(config-if-vlan50)#ip vrrp 20 mode
console(config-if-vlan50)#exit
Configuring VRRP on the Switch as a Backup Router
1
Enable routing for the switch. IP forwarding is then enabled by default.
console#config
console(config)#ip routing
2
Configure the IP addresses and subnet masks for the port that will participate in the protocol:
console(config)#interface vlan 50
console(config-if-vlan50)#ip address 192.150.2.20 255.255.255.0
console(config-if-vlan50)#exit
3
Enable VRRP for the switch.
console(config)#ip vrrp