R1上配置
interface GigabitEthernet0/0/0
undo shutdown
ip address 172.16.1.1 255.255.255.0
#
interface NULL0
#
interface LoopBack0
ip address 1.1.1.1 255.255.255.255
#
ospf 1 router-id1.1.1.1
area0.0.0.0
network 1.1.1.1 0.0.0.0
area 0.0.0.1
network 172.16.1.0 0.0.0.255
vlink-peer3.3.3.3
R2上配置
interface GigabitEthernet0/0/0
undo shutdown
ip address 172.16.1.2 255.255.255.0
#
interface GigabitEthernet0/0/1
undo shutdown
ip address 192.168.1.1 255.255.255.0
#
interface NULL0
#
interfaceLoopBack0
ip address 2.2.2.2 255.255.255.255
#
ospf 1 router-id 2.2.2.2
area 0.0.0.1
network 172.16.1.0 0.0.0.255
network 192.168.1.0 0.0.0.255
#
R3上配置
interface GigabitEthernet0/0/0
undo shutdown
ip address 192.168.1.2 255.255.255.0
#
interface NULL0
#
interface LoopBack0
ip address 3.3.3.3 255.255.255.255
#
ospf 1 router-id3.3.3.3
area0.0.0.1
network 192.168.1.0 0.0.0.255
vlink-peer1.1.1.1
area 0.0.0.2
network 3.3.3.3 0.0.0.0
#
结果
R1
[R1]display ospf vlink
OSPF Process 1 with Router ID 1.1.1.1
Virtual Links
Virtual-link Neighbor-id-> 3.3.3.3, Neighbor-State: Full
Interface: 172.16.1.1(GigabitEthernet0/0/0)
Cost: 2 State:P-2-P Type: Virtual
Transit Area: 0.0.0.1
Timers: Hello 10 , Dead 40 , Retransmit 5 ,Transmit Delay 1
GR State: Normal
[R1]display ip routing-table
Route Flags: R - relay, D - download to fib
------------------------------------------------------------------------------
Routing Tables: Public
Destinations :7Routes : 7
Destination/MaskProto PreCostFlagsNextHopInterface
1.1.1.1/32 Direct00D127.0.0.1InLoopBack0
3.3.3.3/32OSPF102D172.16.1.2GigabitEthernet0/0/0
127.0.0.0/8 Direct00D127.0.0.1InLoopBack0
127.0.0.1/32 Direct00D127.0.0.1InLoopBack0
172.16.1.0/24 Direct00D172.16.1.1GigabitEthernet0/0/0
172.16.1.1/32 Direct00D127.0.0.1InLoopBack0
192.168.1.0/24OSPF102D172.16.1.2GigabitEthernet0/0/0
R3
[R3]display ospf vlink
OSPF Process 1 with Router ID 3.3.3.3
Virtual Links
Virtual-link Neighbor-id-> 1.1.1.1, Neighbor-State: Full
Interface: 192.168.1.2(GigabitEthernet0/0/0)
Cost: 2 State:P-2-P Type: Virtual
Transit Area: 0.0.0.1
Timers: Hello 10 , Dead 40 , Retransmit 5 ,Transmit Delay 1
GR State: Normal
[R3]display ip routing-table
Route Flags: R - relay, D - download to fib
------------------------------------------------------------------------------
Routing Tables: Public
Destinations :7Routes : 7
Destination/MaskProto PreCostFlagsNextHopInterface
1.1.1.1/32OSPF102D192.168.1.1GigabitEthernet0/0/0
3.3.3.3/32 Direct00D127.0.0.1InLoopBack0
127.0.0.0/8 Direct00D127.0.0.1InLoopBack0
127.0.0.1/32 Direct00D127.0.0.1InLoopBack0
172.16.1.0/24OSPF102D192.168.1.1GigabitEthernet0/0/0
192.168.1.0/24 Direct00D192.168.1.2GigabitEthernet0/0/0
192.168.1.2/32 Direct00D127.0.0.1InLoopBack0