实验拓扑
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实验需求
- 按照图示配置 IP 地址
- 按照图示分区域配置 OSPF ,实现全网互通
- 为了路由结构稳定,要求路由器使用环回口作为 Router-id,ABR 的环回口宣告进骨干区域
实验解法
一、配置IP地址
[R1]int l0
[R1-LoopBack0]ip add 1.1.1.1 32
[R1-LoopBack0]int g0/0
[R1-GigabitEthernet0/0]ip add 100.1.1.1 24
[R1-GigabitEthernet0/0]quit
[R1]int g0/1
[R1-GigabitEthernet0/1]ip add 100.3.3.1 24
[R1-GigabitEthernet0/1]quit
[R2]int l0
[R2-LoopBack0]ip add 2.2.2.2 32
[R2-LoopBack0]quit
[R2]int g0/0
[R2-GigabitEthernet0/0]ip add 100.1.1.2 24
[R2-GigabitEthernet0/0]quit
[R2]int g0/1
[R2-GigabitEthernet0/1]ip add 100.2.2.2 24
[R2-GigabitEthernet0/1]quit
[R3]int l0
[R3-LoopBack0]ip add 3.3.3.3 32
[R3-LoopBack0]quit
[R3]int g0/0
[R3-GigabitEthernet0/0]ip add 100.2.2.3 24
[R3-GigabitEthernet0/0]quit
[R3]int g0/1
[R3-GigabitEthernet0/1]ip add 100.4.4.3 24
[R3-GigabitEthernet0/1]quit
[R4]int l0
[R4-LoopBack0]ip add 4.4.4.4 32
[R4-LoopBack0]quit
[R4]int g0/0
[R4-GigabitEthernet0/0]ip add 100.3.3.4 24
[R4-GigabitEthernet0/0]quit
[R5]int l0
[R5-LoopBack0]ip add 5.5.5.5 32
[R5-LoopBack0]quit
[R5]int g0/0
[R5-GigabitEthernet0/0]ip add 100.4.4.5 24
[R5-GigabitEthernet0/0]quit
二、配置ospf相关
[R1]ospf 1
[R1-ospf-1]area 0
[R1-ospf-1-area-0.0.0.0]network 100.1.1.0 0.0.0.255
[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]quit
[R1-ospf-1]area 1
[R1-ospf-1-area-0.0.0.1]network 100.3.3.0 0.0.0.255
[R1-ospf-1-area-0.0.0.1]quit
[R1-ospf-1]quit
[R2]ospf 1
[R2-ospf-1]area 0
[R2-ospf-1-area-0.0.0.0]network 100.1.1.0 0.0.0.255
[R2-ospf-1-area-0.0.0.0]network 100.2.2.0 0.0.0.255
[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]quit
[R2-ospf-1]quit
[R3]ospf 1
[R3-ospf-1]area 0
[R3-ospf-1-area-0.0.0.0]network 100.2.2.0 0.0.0.255
[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]quit
[R3-ospf-1]area 2
[R3-ospf-1-area-0.0.0.2]network 100.4.4.0 0.0.0.255
[R3-ospf-1-area-0.0.0.2]quit
[R3-ospf-1]quit
[R4]ospf 1
[R4-ospf-1]area 1
[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]network 100.3.3.0 0.0.0.255
[R4-ospf-1-area-0.0.0.1]quit
[R4-ospf-1]quit
[R5]ospf 1
[R5-ospf-1]area 2
[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]network 100.4.4.0 0.0.0.255
[R5-ospf-1-area-0.0.0.2]quit
[R5-ospf-1]quit
实验结果
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可以看到R4已经学到100.4.4.0/24的路由
在各个设备上查看ospf的邻居
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