on all rouetrs

ipv6 unicast-routing



R1#sh run | B int
interface Ethernet0/0
 ip address 180.40.7.66 255.255.255.224
 half-duplex
!
interface Serial0/0
 no ip address
 shutdown
!
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 int

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 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 int
interface Loopback0
 no ip address
 ipv6 address 2000:3:3::3/64
!

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:F4A0 302 broadcast
 frame-relay map ipv6 2005:0:237:0:212:7FFF:FE8D:3CC0 307 broadcast

interface Serial1/2
 no ip address
 ipv6 address 2005:0:1203::/64 eui-64
!


R4#sh run | b int
interface Loopback0
 no ip address
 ipv6 address 2000:4:4::4/64
!
interface FastEthernet0/0
 no ip address
 duplex auto
 speed auto
 ipv6 address 2005:0:104::/64 eui-64
!
R7#sh run | b int

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
!