• HCIP练习(OSPF)


    1.配置IP地址和环回

    [r1]int g0/0/1
    [r1-GigabitEthernet0/0/1]ip add 12.1.1.1 24
    [r1]int lo0
    [r1-LoopBack0]ip add 1.1.1.1 24
    [r2]int g0/0/0
    [r2-GigabitEthernet0/0/1]ip add 12.1.1.2 24
    [r2]int g0/0/1
    [r2-GigabitEthernet0/0/1]ip add 23.1.1.1 24
    [r2]int lo0
    [r2-LoopBack0]ip add 2.2.2.2 24
    [r3]int g0/0/0
    [r3-GigabitEthernet0/0/0]ip add 23.1.1.2 24
    [r3]int g0/0/1
    [r3-GigabitEthernet0/0/1]ip add 34.1.1.1 24
    [r3]int lo0 
    [r3-LoopBack0]ip add 3.3.3.3 24
    [r4]int g0/0/0
    [r4-GigabitEthernet0/0/0]ip add 34.1.1.2 24
    [r4]int g0/0/1
    [r4-GigabitEthernet0/0/1]ip add 45.1.1.1 24
    [r4]int lo0 
    [r4-LoopBack0]ip add 4.4.4.4 24
    [r5]int g0/0/0
    [r5-GigabitEthernet0/0/0]ip add 45.1.1.2 24
    [r5]int lo0
    [r5-LoopBack0]ip add 5.5.5.5 24

    (测试)



    2.进行OSPF宣告和划分区域

    [r1]ospf 1 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 12.1.1.1 0.0.0.0
    [r2]ospf 1 router-id 2.2.2.2
    [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 12.1.1.2 0.0.0.0
    [r2-ospf-1]area 1
    [r2-ospf-1-area-0.0.0.0]network 23.1.1.1 0.0.0.0
    [r3]ospf 1 router-id 3.3.3.3
    [r3-ospf-1]area 1
    [r3-ospf-1-area-0.0.0.1]network 23.1.1.2 0.0.0.0
    [r3-ospf-1-area-0.0.0.1]network 3.3.3.3 0.0.0.0
    [r3-ospf-1-area-0.0.0.1]network 34.1.1.1 0.0.0.0
    [r4]ospf 1 router-id 4.4.4.4
    [r4-ospf-1]area 1
    [r4-ospf-1-area-0.0.0.1]network 34.1.1.2 0.0.0.0
    [r4-ospf-1]area 2
    [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]network 45.1.1.1 0.0.0.0
    [r5]ospf 1 router-id 5.5.5.5
    [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 45.1.1.2 0.0.0.0

    3.配置tunnel

    [r2]int t0/0/0
    [r2-Tunnel0/0/0]ip add 10.1.1.1 24 
    [r2-Tunnel0/0/0]tunnel-protocol gre 
    [r2-Tunnel0/0/0]source 23.1.1.1
    [r2-Tunnel0/0/0]destination 34.1.1.2
    [r4]int t0/0/0
    [r4-Tunnel0/0/0]ip add 10.1.1.2 24 
    [r4-Tunnel0/0/0]tunnel-protocol gre 
    [r4-Tunnel0/0/0]source 34.1.1.2
    [r4-Tunnel0/0/0]destination 23.1.1.1

    4.优化宣告

    [r2]ospf 1
    [r2-ospf-1]area 0
    [r2-ospf-1-area-0.0.0.0]network 10.1.1.1 0.0.0.0
    [r4]ospf 1
    [r4-ospf-1]area 0
    [r4-ospf-1-area-0.0.0.0]network 10.1.1.2 0.0.0.0

    (查看)

    查看R2的数据库表

    (骨干和非骨干链路都传来一条路由,默认选择骨干链路的路由)

    (测试)

    5.创建OSPF虚链路
    非法ABR获取合法ABR授权后,具有区域间路由共享功能。(合法ABR与非法ABR在同一区域)

    [r2]undo int t0/0/0
    [r2]ospf 1
    [r2-ospf-1]area 1
    [r2-ospf-1-area-0.0.0.1]vlink-peer 4.4.4.4
    [r4]undo int t0/0/0
    [r4]ospf 1
    [r4-ospf-1]area 1
    [r4-ospf-1-area-0.0.0.1]vlink-peer 2.2.2.2

    (查看)



    (测试)

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  • 原文地址:https://blog.csdn.net/weixin_62443409/article/details/126071147