!
interface lo
 ip address 172.16.255.250/32
 ip address 172.16.255.251/32
 ip address 172.16.255.252/32
 ip address 172.16.255.253/32
 ip address 172.16.255.254/32
!
interface r1-eth0
 ip address 192.168.255.2/30
!
ip forwarding
!