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-id
1.1.1.1
area
0.0.0.0
network 1.1.1.1 0.0.0.0
area 0.0.0.1
network 172.16.1.0 0.0.0.255
vlink-peer
3.3.3.3
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
#
interface
LoopBack0
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-id
3.3.3.3
area
0.0.0.1
network 192.168.1.0 0.0.0.255
vlink-peer
1.1.1.1
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 :
7
Routes : 7
Destination/Mask
Proto Pre
Cost
Flags
NextHop
Interface
1.1.1.1/32 Direct
0
0
D
127.0.0.1
InLoopBack0
3.3.3.3/32
OSPF
10
2
D
172.16.1.2
GigabitEthernet0/0/0
127.0.0.0/8 Direct
0
0
D
127.0.0.1
InLoopBack0
127.0.0.1/32 Direct
0
0
D
127.0.0.1
InLoopBack0
172.16.1.0/24 Direct
0
0
D
172.16.1.1
GigabitEthernet0/0/0
172.16.1.1/32 Direct
0
0
D
127.0.0.1
InLoopBack0
192.168.1.0/24
OSPF
10
2
D
172.16.1.2
GigabitEthernet0/0/0
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 :
7
Routes : 7
Destination/Mask
Proto Pre
Cost
Flags
NextHop
Interface
1.1.1.1/32
OSPF
10
2
D
192.168.1.1
GigabitEthernet0/0/0
3.3.3.3/32 Direct
0
0
D
127.0.0.1
InLoopBack0
127.0.0.0/8 Direct
0
0
D
127.0.0.1
InLoopBack0
127.0.0.1/32 Direct
0
0
D
127.0.0.1
InLoopBack0
172.16.1.0/24
OSPF
10
2
D
192.168.1.1
GigabitEthernet0/0/0
192.168.1.0/24 Direct
0
0
D
192.168.1.2
GigabitEthernet0/0/0
192.168.1.2/32 Direct
0
0
D
127.0.0.1
InLoopBack0
