实验拓扑
命令：
配置ospf
R1
[Huawei]sysname R1
[R1]int g0/0/0
[R1-GigabitEthernet0/0/0]ip add 12.1.1.1 24
[R1-GigabitEthernet0/0/0]q
[R1]int LoopBack 0
[R1-LoopBack0]ip add 1.1.1.1 32
[R1-LoopBack0]q
[R1]ospf router-id 1.1.1.1
[R1-ospf-1]area 0
[R1-ospf-1-area-0.0.0.0]network 1.1.1.1 0.0.0.0
[R1-ospf-1-area-0.0.0.0]network 12.1.1.0 0.0.0.255
[R1-ospf-1-area-0.0.0.0]q
[R2]int g0/0/1
[R2-GigabitEthernet0/0/1]ip add 12.1.1.2 24
[R2-GigabitEthernet0/0/1]int g0/0/0
[R2-GigabitEthernet0/0/0]ip add 23.1.1.2 24
[R2-GigabitEthernet0/0/0]q
[R2]int LoopBack 0
[R2-LoopBack0]ip add 2.2.2.2 32
[R2]ospf
[R2-ospf-1]q
[R2]ospf router-id 2.2.2.2
[R2-ospf-1]area 0
[R2-ospf-1-area-0.0.0.0]network 12.1.1.0 0.0.0.255
[R2-ospf-1-area-0.0.0.0]q
[R2-ospf-1]area 1
[R2-ospf-1-area-0.0.0.1]network 23.1.1.0 0.0.0.255
[R2-ospf-1-area-0.0.0.1]network 2.2.2.2 0.0.0.0
[R2-ospf-1-area-0.0.0.1]q
[Huawei]sysname R3
[R3]INT G0/0/1
[R3-GigabitEthernet0/0/1]ip add 23.1.1.3 24
[R3-GigabitEthernet0/0/1]int g0/0/0
[R3-GigabitEthernet0/0/0]ip add 34.1.1.3 24
[R3-GigabitEthernet0/0/0]q
[R3]int LoopBack 0
[R3-LoopBack0]ip add 3.3.3.3 32
[R3-LoopBack0]q
[R3]ospf router-id 3.3.3.3
[R3-ospf-1]area 1
[R3-ospf-1-area-0.0.0.1]network 23.1.1.0 0.0.0.255
[R3-ospf-1-area-0.0.0.1]network 34.1.1.0 0.0.0.255
[R3-ospf-1-area-0.0.0.1]network 3.3.3.3 0.0.0.0
[R4]
[R4]int g0/0/1
[R4-GigabitEthernet0/0/1]ip add 34.1.1.4 24
[R4-GigabitEthernet0/0/1]int g0/0/0
[R4-GigabitEthernet0/0/0]ip add 45.1.1.4 24
[R4-GigabitEthernet0/0/0]q
[R4]int LoopBack 0
[R4-LoopBack0]ip add 4.4.4.4 32
[R4-LoopBack0]q
[R4]ospf router-id 4.4.4.4
[R4-ospf-1]area 1
[R4-ospf-1-area-0.0.0.1]network 34.1.1.0 0.0.0.255
[R4-ospf-1-area-0.0.0.1]network 4.4.4.4 0.0.0.0
[R4-ospf-1-area-0.0.0.1]q
[R4-ospf-1]area 2
[R4-ospf-1-area-0.0.0.2]network 45.1.1.0 0.0.0.255
[R4-ospf-1-area-0.0.0.2]q
{Huawei]un in en
Info: Information center is disabled.
[Huawei]sysname R5
[R5]int g0/0/1
[R5-GigabitEthernet0/0/1]ip add 45.1.1.5 24
[R5-GigabitEthernet0/0/1]q
[R5]int LoopBack 0
[R5-LoopBack0]ip add 5.5.5.5 32
[R5-LoopBack0]q
[R5]ospf router-id 5.5.5.5
[R5-ospf-1-area-0.0.0.2]network 45.1.1.0 0.0.0.255
[R5-ospf-1-area-0.0.0.2]q
[R5-ospf-1]area 2
[R5-ospf-1-area-0.0.0.2]network 45.1.1.0 0.0.0.255
[R5-ospf-1-area-0.0.0.2]network 5.5.5.5 0.0.0.0
[R5-ospf-1-area-0.0.0.2]q
[R5-ospf-1]q
配置虚拟路由
[R2]ospf
[R2-ospf-1]area 1
[R2-ospf-1-area-0.0.0.1]vlink-peer 4.4.4.4
[R2-ospf-1-area-0.0.0.1]q
[R4]ospf
[R4-ospf-1]area 1
[R4-ospf-1-area-0.0.0.1]vlink-peer 2.2.2.2
[R4-ospf-1-area-0.0.0.1]q
测试：
查看路由表
<R1>dis ospf routing
OSPF Process 1 with Router ID 1.1.1.1
Routing Tables
Routing for Network
Destination Cost Type NextHop AdvRouter Area
1.1.1.1/32 0 Stub 1.1.1.1 1.1.1.1 0.0.0.0
12.1.1.0/24 1 Transit 12.1.1.1 1.1.1.1 0.0.0.0
2.2.2.2/32 1 Inter-area 12.1.1.2 12.1.1.2 0.0.0.0
3.3.3.3/32 2 Inter-area 12.1.1.2 12.1.1.2 0.0.0.0
4.4.4.4/32 3 Inter-area 12.1.1.2 12.1.1.2 0.0.0.0
23.1.1.0/24 2 Inter-area 12.1.1.2 12.1.1.2 0.0.0.0
34.1.1.0/24 3 Inter-area 12.1.1.2 12.1.1.2 0.0.0.0
Total Nets: 7
Intra Area: 2 Inter Area: 5 ASE: 0 NSSA: 0
<R5>dis ospf routing
OSPF Process 1 with Router ID 5.5.5.5
Routing Tables
Routing for Network
Destination Cost Type NextHop AdvRouter Area
5.5.5.5/32 0 Stub 5.5.5.5 5.5.5.5 0.0.0.2
45.1.1.0/24 1 Transit 45.1.1.5 5.5.5.5 0.0.0.2
Total Nets: 2
Intra Area: 2 Inter Area: 0 ASE: 0 NSSA: 0
测试虚拟路由
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