R1 Configuration
ipv6 unicast-routing
ipv6 dhcp pool test
!
ipv6 dhcp pool isp
prefix-delegation pool cus
!
interface FastEthernet1/0
ipv6 address FE80::1 link-local
ipv6 address 2001:DB8:12::1/64
ipv6 dhcp server isp
!
ipv6 local pool cus 2001:DB8:2::/49 56
R2 Configuration
ipv6 unicast-routing
!
interface FastEthernet1/0
ipv6 address autoconfig default
ipv6 enable
ipv6 dhcp client pd from-isp
!
interface FastEthernet1/1
ipv6 address from-isp ::1/64
ipv6 enable
R3 Configuration
ipv6 unicast-routing
!
interface FastEthernet1/0
no ip address
speed auto
duplex auto
ipv6 address autoconfig default
ipv6 enable
R1#show ipv6 route
S 2001:DB8:2::/56 [1/0]
via FE80::C801:BFF:FE4C:1C, FastEthernet1/0
C 2001:DB8:12::/64 [0/0]
via FastEthernet1/0, directly connected
L 2001:DB8:12::1/128 [0/0]
via FastEthernet1/0, receive
L FF00::/8 [0/0]
via Null0, receive
R2#show ipv6 dhcp interface
FastEthernet1/0 is in client mode
State is OPEN
Renew will be sent in 3d11h
List of known servers:
Reachable via address: FE80::1
DUID: 00030001CA000B4C0000
Preference: 0
Configuration parameters:
IA PD: IA ID 0x00030001, T1 302400, T2 483840
Prefix: 2001:DB8:2::/56
preferred lifetime 604800, valid lifetime 2592000
expires at Sep 10 2013 03:33 PM (2590703 seconds)
Prefix name: from-isp
Rapid-Commit: disabled
R3#show ipv6 route
S ::/0 [2/0]
via FE80::C801:BFF:FE4C:1D, FastEthernet1/0
C 2001:DB8:2::/64 [0/0]
via FastEthernet1/0, directly connected
L 2001:DB8:2:0:C802:4FF:FED4:1C/128 [0/0]
via FastEthernet1/0, receive
L FF00::/8 [0/0]
via Null0, receive
R3#ping 2001:db8:12::1
Sending 5, 100-byte ICMP Echos to 2001:DB8:12::1, timeout is 2 seconds:
!!!!!
