Lab Topology:
Lab Requirements:
1. The router names are P4S1, P4S2 and P4S3.
2. Configure default routes on P4S1 and P4S3.
3. Configure a static route on P4S2.
Lab Process:
1. Configure P4S1
Router>enable
Router#configure terminal
Router(config)#hostname P4S1
P4S1(config)#interface s1/1
P4S1(config-if)#ip add 192.168.12.1 255.255.255.0
P4S1(config-if)#no shut
P4S1(config-if)#interface loopback 0
P4S1(config-if)#ip add 1.1.1.1 255.255.255.0
2. Configure P4S2
Router>enable
Router#configure terminal
Router(config)#host P4S2
P4S2(config)#interface s1/1
P4S2(config-if)#ip add 192.168.12.2 255.255.255.0
P4S2(config-if)#no shut
P4S2(config)#interface s1/2
P4S2(config-if)#ip add 192.168.23.2 255.255.255.0
P4S2(config-if)#no shut
3. Configure P4S3
Router>enable
Router#configure terminal
Router(config)#host P4S3
P4S3(config)#int s1/1
P4S3(config-if)#ip add 192.168.23.3 255.255.255.0
P4S3(config-if)#no shut
P4S3(config)#interface loopback 0
P4S3(config-if)#ip add 3.3.3.3 255.255.255.0
Configure default routes on P4S1 and P4S3 and a static route on P4S2.
P4S1
P4S1(config)#ip route 0.0.0.0 0.0.0.0 192.168.12.2
P4S3
P4S3(config)#ip route 0.0.0.0 0.0.0.0 192.168.23.2
P4S2
P4S2(config)#ip route 1.1.1.0 255.255.255.0 192.168.12.1
P4S2(config)#ip route 3.3.3.0 255.255.255.0 192.168.23.3
Authentication:
Use the extended ping command on the P4S1 or P4S3 to test connectivity.