partial cisco

interface Loopback0ip address 10.0.10.1 255.255.255.0!interface Loopback1ip address 172.11.11.1 255.255.255.0!interface Serial0/0ip address 10.0.12.1 255.255.255.252clock rate 2000000!interface Serial1/0ip address 10.0.14.1 255.255.255.252clock rate 2000000!interface FastEthernet2/0no ip addressduplex autospeed auto!interface FastEthernet2/0.50encapsulation dot1Q 50ip address 172.16.50.1 255.255.254.0!interface FastEthernet2/0.100encapsulation dot1Q 100ip address 172.16.100.1 255.255.254.0!interface FastEthernet2/0.150encapsulation dot1Q 150ip address 172.16.150.1 255.255.254.0!router ripversion 2redistribute static redistribute connected (loopback de pe r1)passive-interface Loopback0passive-interface Loopback1network 10.0.0.0network 172.11.0.0no auto-summary!ip classlessip route 192.168.40.0 255.255.255.0 Serial1/0 ip route 195.168.41.0 255.255.255.0 Serial1/0

R4interface Loopback0ip address 192.168.40.1 255.255.255.0!interface Loopback1ip address 195.168.41.1 255.255.255.0!interface Serial0/0ip address 10.0.14.2 255.255.255.252clock rate 2000000!ip classlessip route 0.0.0.0 0.0.0.0 Serial0/0