AR3
[AR1]ipv6
[AR1]int g0/0/1
[AR1-GigabitEthernet0/0/1]ipv6 enable
[AR1-GigabitEthernet0/0/1]ipv6 ad 2002::2 64
[AR1-GigabitEthernet0/0/1]int g0/0/0
[AR1-GigabitEthernet0/0/0]ipv6 enable
[AR1-GigabitEthernet0/0/0]ipv6 address 2001::2 64
[AR1-GigabitEthernet0/0/0]q
[AR1]ospfv3
[AR1-ospfv3-1]router-id 1.1.1.1
[AR1-ospfv3-1]q
[AR1]int g0/0/0
[AR1-GigabitEthernet0/0/0]ospfv3 1 area 0
[AR1-GigabitEthernet0/0/0]int g0/0/1
[AR1-GigabitEthernet0/0/1]ospfv3 1 area 0
AR4
[Huawei]sy AR2
[AR2]ipv6
[AR2]int g0/0/1
[AR2-GigabitEthernet0/0/1]ipv6 enable
[AR2-GigabitEthernet0/0/1]ipv6 address 2003::2 64
[AR2-GigabitEthernet0/0/1]int g0/0/0
[AR2-GigabitEthernet0/0/0]ipv6 enable
[AR2-GigabitEthernet0/0/0]ipv6 address 2001::1 64
[AR2-GigabitEthernet0/0/0]q
[AR2]ospfv3
[AR2-ospfv3-1]router-id 2.2.2.2
[AR2-ospfv3-1]q
[AR2]int g0/0/0
[AR2-GigabitEthernet0/0/0]ospfv3 2 a
[AR2-GigabitEthernet0/0/0]ospfv3 1 area 0
[AR2-GigabitEthernet0/0/0]int g0/0/1
[AR2-GigabitEthernet0/0/1]ospfv3 1 area 0