R1#sh run | b ipv
ipv6 unicast-routing


!
interface Ethernet0/1
 no ip address
 half-duplex
 ipv6 address 2005:0:104::/64 eui-64
!
interface Serial0/1
 no ip address
 ipv6 address 2005:0:102::/64 eui-64
 clock rate 64000
!

R2#sh run | b ipv
ipv6 unicast-routing

interface Serial1/0.1 point-to-point
 ipv6 address 2005:0:237::/64 eui-64
 frame-relay interface-dlci 203
!
interface Serial1/0.2 point-to-point
 ipv6 address 2005:0:702::/64 eui-64
 frame-relay interface-dlci 207
!
interface Serial1/1
 no ip address
 ipv6 address 2005:0:102::/64 eui-64
!
interface Serial1/2
 no ip address
 ipv6 address 2005:0:1203::/64 eui-64
 clock rate 64000
!

R3#sh run | b ipv
ipv6 unicast-routing
!
interface Loopback0
 no ip address
 ipv6 address 2000:3:3::/64 eui-64
!
interface Serial1/0
 no ip address
 encapsulation frame-relay
 ipv6 address 2005:0:237::/64 eui-64
 frame-relay map ipv6 2005:0:237:0:212:7FFF:FE80:F460 302 broadcast
 frame-relay map ipv6 2005:0:237:0:212:7FFF:FE8D:1EC0 307 broadcast
!
!
interface Serial1/2
 no ip address
 ipv6 address 2005:0:1203::/64 eui-64
!

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

R7#sh run | b ipv
ipv6 unicast-routing
!
interface Serial1/0
 no ip address
 encapsulation frame-relay
!
interface Serial1/0.1 point-to-point
 ipv6 address 2005:0:237::/64 eui-64
 frame-relay interface-dlci 703
!
interface Serial1/0.2 point-to-point
 ipv6 address 2005:0:702::/64 eui-64
 frame-relay interface-dlci 702
!