RT2 interface Loopback0 ip address 22.22.22.22 255.255.255.255 end ! interface Tunnel1 ip address 7.7.7.1 255.255.255.252 tunnel source 10.10.0.1 tunnel destination 10.20.0.1 end ip route 10.20.0.0 255.255.255.0 10.10.0.2 ip route 33.33.33.33 255.255.255.255 Tunnel1
RT3 interface Loopback0 ip address 33.33.33.33 255.255.255.255 ! interface Tunnel1 ip address 7.7.7.2 255.255.255.252 tunnel source 10.20.0.1 tunnel destination 10.10.0.1 end ip route 10.10.0.0 255.255.255.0 10.20.0.2 ip route 22.22.22.22 255.255.255.255 Tunnel1