R2 Configuration:enable
configure terminal
interface GigabitEthernet 0/
ip address 10.1.1.1 255.0.0.
no shutdown
exit
interface GigabitEthernet0/
ip address 192.168.1.5 255.255.255.
no shutdown
exit
interface Serial0/0/
ip address 192.168.1.1 255.255.255.
no shutdown
R3 Configuration:enable
configure terminal
interface Loopback
ip address 172.16.1.1 255.255.0.
no shutdown
exit
interface GigabitEthernet0/
ip address 192.168.1.10 255.255.255.
no shutdown
exit
interface GigabitEthernet0/
ip address 192.168.1.6 255.255.255.
no shutdown