OSPF协议的虚链路

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