虚链路
使用场合：只能一个非骨干区域跨越一个非骨干区域时用
作用：帮助这个非骨干区域获取完整lsdb
命令:在非骨干区域的中转域打
R10：ospf
Aera 1
Vlink-peer 对端 router-id
R18:ospf
Aera 1
Vlink-peer 对端 router-id
注意：虚链路只能帮助一个非骨干区域跨越非骨干区域，虚链路属于区域0
查询虚链路状态：display ospf vlink
紫色区域，启动设备
AR1配置信息
<Huawei>undo terminal monitor
<Huawei>system-view
Enter system view, return user view with Ctrl+Z.
[Huawei]user-interface console 0
[Huawei-ui-console0]idle-timeout 0 0
[Huawei-ui-console0]sysname R1
[R1]int g0/0/0
[R1-GigabitEthernet0/0/0]ip add 12.1.1.1 24
[R1-GigabitEthernet0/0/0]undo shutdown
[R1-GigabitEthernet0/0/0]int loop 0
[R1-LoopBack0]ip add 1.1.1.1 32
[R1-LoopBack0]quit
[R1]ospf 1 router-id 1.1.1.1
[R1-ospf-1]area 1
[R1-ospf-1-area-0.0.0.1]network 1.1.1.1 0.0.0.0
[R1-ospf-1-area-0.0.0.1]network 12.1.1.0 0.0.0.255
[R1-ospf-1-area-0.0.0.1]return
AR2配置信息
<Huawei>undo terminal monitor
<Huawei>system-view
[Huawei]user-interface console 0
[Huawei-ui-console0]idle-timeout 0 0
[Huawei-ui-console0]sysname R2
[R2]int g0/0/0
[R2-GigabitEthernet0/0/0]ip add 12.1.1.2 24
[R2-GigabitEthernet0/0/0]undo shutdown
[R2-GigabitEthernet0/0/0]int g0/0/1
[R2-GigabitEthernet0/0/1]ip add 23.1.1.2 24
[R2-GigabitEthernet0/0/1]undo shutdown
[R2-GigabitEthernet0/0/1]int loop 0
[R2-LoopBack0]ip add 2.2.2.2 32
[R2-LoopBack0]quit
[R2]ospf 1 router-id 2.2.2.2
[R2-ospf-1]area 1
[R2-ospf-1-area-0.0.0.1]network 12.1.1.0 0.0.0.255
[R2-ospf-1-area-0.0.0.1]quit
[R2-ospf-1]area 0
[R2-ospf-1-area-0.0.0.0]network 2.2.2.2 0.0.0.0
[R2-ospf-1-area-0.0.0.0]network 23.1.1.0 0.0.0.255
[R2-ospf-1-area-0.0.0.0]return
AR3配置信息
<Huawei>undo terminal monitor
<Huawei>system-view
[Huawei]user-interface console 0
[Huawei-ui-console0]idle-timeout 0 0
[Huawei-ui-console0]sysname R3
[R3]int g0/0/0
[R3-GigabitEthernet0/0/0]ip add 23.1.1.3 24
[R3-GigabitEthernet0/0/0]undo shutdown
[R3-GigabitEthernet0/0/0]int g0/0/1
[R3-GigabitEthernet0/0/1]ip add 34.1.1.3 24
[R3-GigabitEthernet0/0/1]undo shutdown
[R3-GigabitEthernet0/0/1]int loop 0
[R3-LoopBack0]ip add 3.3.3.3 32
[R3-LoopBack0]quit
[R3]ospf 1 router-id 3.3.3.3
[R3-ospf-1]area 0
[R3-ospf-1-area-0.0.0.0]network 3.3.3.3 0.0.0.0
[R3-ospf-1-area-0.0.0.0]network 23.1.1.0 0.0.0.255
[R3-ospf-1-area-0.0.0.0]quit
[R3-ospf-1]area 2
[R3-ospf-1-area-0.0.0.2]network 34.1.1.0 0.0.0.255
[R3-ospf-1-area-0.0.0.2]return
<R3>system-view
[R3]ospf 1
[R3-ospf-1]area 2
[R3-ospf-1-area-0.0.0.2]vlink-peer 4.4.4.4
[R3-ospf-1-area-0.0.0.2]return
AR4配置信息
<Huawei>undo terminal monitor
<Huawei>system-view
[Huawei]user-interface console 0
[Huawei-ui-console0]idle-timeout 0 0
[Huawei-ui-console0]sysname R4
[R4]int g0/0/0
[R4-GigabitEthernet0/0/0]ip add 34.1.1.4 24
[R4-GigabitEthernet0/0/0]undo shutdown
[R4-GigabitEthernet0/0/0]int g0/0/1
[R4-GigabitEthernet0/0/1]ip add 45.1.1.4 24
[R4-GigabitEthernet0/0/1]undo shutdown
[R4-GigabitEthernet0/0/1]int loop 0
[R4-LoopBack0]ip add 4.4.4.4 32
[R4-LoopBack0]quit
[R4]ospf 1 router-id 4.4.4.4
[R4-ospf-1]area 2
[R4-ospf-1-area-0.0.0.2]network 34.1.1.0 0.0.0.255
[R4-ospf-1-area-0.0.0.2]network 4.4.4.4 0.0.0.0
[R4-ospf-1-area-0.0.0.2]quit
[R4-ospf-1]area 3
[R4-ospf-1-area-0.0.0.3]network 45.1.1.0 0.0.0.255
[R4-ospf-1-area-0.0.0.3]return
<R4>system-view
[R4]ospf 1
[R4-ospf-1]area 2
[R4-ospf-1-area-0.0.0.2]vlink-peer 3.3.3.3
[R4-ospf-1-area-0.0.0.2]return
AR5配置信息
<Huawei>undo terminal monitor
<Huawei>system-view
[Huawei]user-interface console 0
[Huawei-ui-console0]idle-timeout 0 0
[Huawei-ui-console0]sysname R5
[R5]int g0/0/0
[R5-GigabitEthernet0/0/0]ip add 45.1.1.5 24
[R5-GigabitEthernet0/0/0]undo shutdown
[R5-GigabitEthernet0/0/0]int loop 0
[R5-LoopBack0]ip add 5.5.5.5 32
[R5-LoopBack0]quit
[R5]ospf 1 router-id 5.5.5.5
[R5-ospf-1]area 3
[R5-ospf-1-area-0.0.0.3]network 5.5.5.5 0.0.0.0
[R5-ospf-1-area-0.0.0.3]network 45.1.1.0 0.0.0.255
[R5-ospf-1-area-0.0.0.3]return