R1#sh run | b interface

interface Ethernet0/1
 no ip address
 half-duplex
 ipv6 address 2005:0:104::/64 eui-64
 ipv6 rip MyRip enable
!
interface Serial0/1
 no ip address
 ipv6 address 2005:0:102::/64 eui-64
 ipv6 rip MyRip enable
 clockrate 64000

R1#
RACK17AS>2
[Resuming connection 2 to r2 ... ]

R2#sh run | b interface

!
interface Serial1/1
 no ip address
 ipv6 address 2005:0:102::/64 eui-64
 ipv6 rip MyRip enable



R2#
RACK17AS>4
[Resuming connection 4 to r4 ... ]

*
R4#sh run | b inter
interface Loopback0
 no ip address
 ipv6 address 2000:4:4::/64 eui-64
 ipv6 rip MyRip enable
!
interface FastEthernet0/0
 no ip address
 duplex auto
 speed auto
 ipv6 address 2005:0:104::/64 eui-64
 ipv6 rip MyRip enable
!

!

R4#