R1#sh run | b ipv
ipv6 unicast-routing
!
!
interface Ethernet0/1
 no ip address
 half-duplex
 ipv6 address 2005:0:104::1/64
 ipv6 address FE80::1 link-local
!
interface Serial0/1
 no ip address
 ipv6 address 2005:0:102::1/64
 ipv6 address FE80::1 link-local
 clock rate 64000
!

R2#sh run | b ipv
ipv6 unicast-routing
!
!
interface Serial1/0.1 point-to-point
 ipv6 address 2005:0:237::2/64
 ipv6 address FE80::2 link-local
 frame-relay interface-dlci 203
!
interface Serial1/0.2 point-to-point
 ipv6 address 2005:0:702::2/64
 ipv6 address FE80::2 link-local
 frame-relay interface-dlci 207
!
interface Serial1/1
 no ip address
 ipv6 address 2005:0:102::2/64
 ipv6 address FE80::2 link-local
!
interface Serial1/2
 no ip address
 ipv6 address 2005:0:1203::2/64
 ipv6 address FE80::2 link-local


R3#sh run | b ipv
ipv6 unicast-routing
!
!
interface Loopback0
 no ip address
 ipv6 address 2000:3:3::/64
!
interface Serial1/0
 no ip address
 encapsulation frame-relay
 ipv6 address 2005:0:237::3/64
 ipv6 address FE80::3 link-local
 frame-relay map ipv6 FE80::7 307 broadcast
 frame-relay map ipv6 2005:0:237::2 302 broadcast
 frame-relay map ipv6 2005:0:237::7 307 broadcast
!
interface Serial1/2
 no ip address
 ipv6 address 2005:0:1203::3/64
 ipv6 address FE80::3 link-local
!


R4#sh run | b ipv
ipv6 unicast-routing
!
interface Loopback0
 no ip address
 ipv6 address 2000:4:4::/64
!
interface FastEthernet0/0
 no ip address
 duplex auto
 speed auto
 ipv6 address 2005:0:104::4/64
 ipv6 address FE80::4 link-local
!


R7#sh run | b ipv
ipv6 unicast-routing
!
interface Serial1/0.1 point-to-point
 ipv6 address 2005:0:237::7/64
 ipv6 address FE80::7 link-local
 frame-relay interface-dlci 703
!
interface Serial1/0.2 point-to-point
 ipv6 address 2005:0:702::7/64
 ipv6 address FE80::7 link-local
 frame-relay interface-dlci 702
!