Configure the Static Routes on R1
R1>enable
R1#configure terminal
R1(config)#ip route 192.168.2.0 255.255.255.0 192.168.1.2
R1(config)#ip route 192.168.3.0 255.255.255.0 192.168.1.2
R1(config)#exit
R1#
Run the command show ip route on R1
Configure the Static Routes on R2
R2>enable
R2#configure terminal
R2(config)#ip route 192.168.3.0 255.255.255.0 192.168.2.2
R2(config)#exit
R2#
Run the command show ip route on R2
Configure the Static Routes on R3
R3>enable
R3#configure terminal
R3(config)#ip route 192.168.1.0 255.255.255.0 192.168.2.1
R3(config)#exit
R3#
Run the command show ip route on R3
Configure the Static Routes on R4
R4>enable
R4#configure terminal
R4(config)#ip route 192.168.1.0 255.255.255.0 192.168.3.1
R4(config)#ip route 192.168.2.0 255.255.255.0 192.168.3.1
R4(config)#
R4#
Run the command show ip route on R4
Download: Static Route