R1#sh run int tu 0 Building configuration... Current configuration : 178 bytes ! interface Tunnel0 no ip address ipv6 address 2005:17:17::/64 eui-64 ipv6 rip R1Rip enable tunnel source Ethernet0/0 tunnel destination 180.40.7.1 tunnel mode ipv6ip end R1# RACK5AS>7 [Resuming connection 7 to r7 ... ] R7#sh run int tu 0 Building configuration... Current configuration : 183 bytes ! interface Tunnel0 no ip address ipv6 address 2005:17:17::/64 eui-64 ipv6 rip R7Rip enable tunnel source FastEthernet0/1 tunnel destination 180.40.7.66 tunnel mode ipv6ip end R7#