Enable IPv6 routing
Configure the routers to run CEF
Configure the appropriate IPv6 addresses on the interfaces
Verify the IPv6 configuration on the routers
Verify that each router is able to ping its locally configured IPv6 addresses
Verify that each edge router can ping the IPv6 address of the internal router to which it is connected via its FastEthernet interface
(config)#ipv6 unicast-routing
(config)#ipv6 cef
(config-if)#interface ( interface )
(config-if)#ipv6 address 2001:0:1:1::1/64
(config-if)#interface loopback 0
(config-if)#ipv6 address 1:1:1:1::1/64
show ipv6 interface
