R5#sh run ! hostname R5 ! ! no ip domain lookup ip cef ipv6 unicast-routing ipv6 cef ipv6 multicast rpf use-bgp ! interface Loopback0 ip address 5.5.5.5 255.255.255.255 ! interface Loopback105 ip address 172.16.105.1 255.255.255.0 ! interface Loopback157 ip address 157.10.1.211 255.255.255.255 ipv6 address 2001:DEAD:BEEF:157::211/128 ! interface Ethernet0/0 no ip address shutdown ! interface Ethernet0/1 no ip address shutdown ! interface Ethernet0/2 no ip address shutdown ! interface Ethernet0/3 no ip address shutdown ! interface Serial1/0 ip address 172.16.45.5 255.255.255.0 ipv6 address 2005:DEAD:BEEF:45::5/80 no shutdown ! interface Serial1/1 no ip address shutdown serial restart-delay 0 ! interface Serial1/2 no ip address shutdown serial restart-delay 0 ! interface Serial1/3 no ip address shutdown serial restart-delay 0 ! line con 0 exec-timeout 0 0 privilege level 15 logging synchronous line aux 0 line vty 0 4 login transport input all ! ! end