R1#sh run int tu 0
Building configuration...

Current configuration : 143 bytes
!
interface Tunnel0
 no ip address
 no ip redirects
 ipv6 address 2002:B428:742::1/64
 tunnel source Ethernet0/0
 tunnel mode ipv6ip 6to4
end

R1#sh run | i ipv6 route
ipv6 route 2002::/16 Tunnel0
ipv6 route 2005:77:77::7/128 2002:B428:701::1


R7#sh run int tu 0
Building configuration...

Current configuration : 170 bytes
!
interface Tunnel0
 no ip address
 no ip redirects
 ipv6 address 2002:B428:701::1/64
 ipv6 rip R7Rip enable
 tunnel source FastEthernet0/1
 tunnel mode ipv6ip 6to4
end

R7#sh run | i ipv route
R7#sh run | i ipv6 route
ipv6 route 2002::/16 Tunnel0
ipv6 route 2005:11:11::1/128 2002:B428:742::1
R7#