• OSPF综合大实验就这？超级详细！一看就会！

    image-20220723104205846

    实验思路：

    1、子网划分

    a)按照区域（6个）划分

    area 1

    172.16.0.0/19

    area 0

    172.16.32.0/19

    ​ 172.16.32.0/21

    ​ 172.16.40.0/21

    ​ 172.16.48.0/21

    ​ 172.16.56.0/21

    area 2

    172.16.64.0/19

    ​ 172.16.64.0/20

    ​ 172.16.80.0/20

    area 3

    172.16.96.0/19

    ​ 172.16.96.0/20

    ​ 172.168.112.0/20

    area 4

    172.16.128.0/19

    rip

    172.16.160.0/19

    b)区域内自由划分

    2、配置–IP地址

    [R1-GigabitEthernet0/0/0]ip address 172.16.0.1 19
[R1-LoopBack0]ip address 1.1.1.1 24

[R2-GigabitEthernet0/0/0]ip address 172.16.0.2 19
[R2-LoopBack0]ip address 2.2.2.2 24

[R3-GigabitEthernet0/0/0]ip address 172.16.0.3 19
[R3-Serial3/0/0]ip address 172.16.32.3 21
[R3-LoopBack0]ip address 3.3.3.3 24

[ISP-Serial3/0/0]ip address 172.16.32.4 21
[ISP-Serial3/0/1]ip address 172.16.40.4 21
[ISP-Serial4/0/0]ip address 172.16.48.4 21
[ISP-Serial4/0/1]ip address 172.16.56.4 21
[ISP-LoopBack0]ip address 4.4.4.4 24

[R5-Serial4/0/0]ip address 172.16.40.5 21
[R5-LoopBack0]ip address 5.5.5.5 24

[R6-Serial4/0/0]ip address 172.16.48.6 21
[R6-Serial4/0/1]ip address 172.16.64.6 20
[R6-LoopBack0]ip address 6.6.6.6 24

[R7-Serial4/0/0]ip address 172.16.56.7 21
[R7-Serial4/0/1]ip address 172.16.96.7 20
[R7-LoopBack0]ip address 7.7.7.7 24

[R8-Serial4/0/1]ip address 172.16.96.8 20
[R8-Serial4/0/1]ip address 172.16.112.8 20
[R8-LoopBack0]ip address 8.8.8.8 24

[R9-Serial4/0/0]ip address 172.168.112.9 20
[R9-Serial4/0/1]ip address 172.16.128.9 19
[R9-LoopBack0]ip address 9.9.9.9 24

[R10-Serial4/0/0]ip address 172.16.128.10 19
[R10-LoopBack0]ip address 10.10.10.10 24

[R11-Serial4/0/0]ip address 172.16.64.11 20
[R11-Serial4/0/1]ip address 172.16.80.11 20
[R11-LoopBack0]ip address 11.11.11.11 24

[R12-Serial4/0/0]ip address 172.16.80.12 20
[R12-LoopBack0]ip address 12.12.12.12 24
[R12-LoopBack1]ip address 12.12.13.12 24

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    在各个路由器输入display ip interface brief

    得到：

    image-20220723114411566

    image-20220723114421756

    image-20220723194632354

    image-20220723114453679

    image-20220723114504415

    image-20220723114514157

    image-20220723114523191

    image-20220723114533354

    image-20220723114543087

    image-20220723114552120

    image-20220723114600670

    image-20220723114608457

    3、缺省路由+NAT

    [R3]ip route-static 0.0.0.0 0 172.16.32.4 
[R5]ip route-static 0.0.0.0 0 172.16.40.4
[R6]ip route-static 0.0.0.0 0 172.16.48.4
[R7]ip route-static 0.0.0.0 0 172.16.56.4

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    [R3]acl 2000
[R3-acl-basic-2000]rule 1 permit source any
[R3]interface s3/0/0
[R3-Serial3/0/0]nat outbound 2000

[R5]acl 2000
[R5-acl-basic-2000]rule 1 permit source any
[R5]interface s4/0/0
[R5-Serial4/0/0]nat outbound 2000

[R6]acl 2000
[R6-acl-basic-2000]rule 1 permit source any
[R6]interface s4/0/0
[R6-Serial4/0/0]nat outbound 2000

[R7]acl 2000
[R7-acl-basic-2000]rule 1 permit source any
[R7]interface s4/0/0
[R7-Serial4/0/0]nat outbound 2000

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    4、MGRE环境配置

    [R3]interface T0/0/0
[R3-Tunnel0/0/0]ip address 10.1.1.1 24
[R3-Tunnel0/0/0]tunnel-protocol gre p2mp
[R3-Tunnel0/0/0]source 172.16.32.3
[R3-Tunnel0/0/0]nhrp entry multicast dynamic 
[R3-Tunnel0/0/0]nhrp network-id 100

[R5]interface Tunnel 0/0/0
[R5-Tunnel0/0/0]ip address 10.1.1.2 24
[R5-Tunnel0/0/0]tunnel-protocol gre p2mp
[R5-Tunnel0/0/0]source s4/0/0
[R5-Tunnel0/0/0]nhrp entry 10.1.1.1 172.16.32.3 register 
[R5-Tunnel0/0/0]nhrp network-id 100

[R6]interface Tunnel 0/0/0
[R6-Tunnel0/0/0]ip address 10.1.1.3 24
[R6-Tunnel0/0/0]tunnel-protocol gre p2mp
[R6-Tunnel0/0/0]source s4/0/0
[R6-Tunnel0/0/0]nhrp entry 10.1.1.1 172.16.32.3 register 
[R6-Tunnel0/0/0]nhrp network-id 100

[R7]interface Tunnel 0/0/0
[R7-Tunnel0/0/0]ip address 10.1.1.4 24
[R7-Tunnel0/0/0]tunnel-protocol gre p2mp
[R7-Tunnel0/0/0]source s4/0/0
[R7-Tunnel0/0/0]nhrp entry 10.1.1.1 172.16.32.3 register 
[R7-Tunnel0/0/0]nhrp network-id 100

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    随后在中心站点R3上查看nhrp

    image-20220723200150132

    5、OSPF协议

    [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 172.16.0.1 0.0.0.0

[R2]ospf 1 router-id 2.2.2.2
[R2-ospf-1]area 1
[R2-ospf-1-area-0.0.0.1]network 172.16.0.2 0.0.0.0
[R2-ospf-1-area-0.0.0.1]network 2.2.2.2 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 172.16.0.3 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-0.0.0.0]network 10.1.1.1 0.0.0.0

[R5]ospf 1 router-id 5.5.5.5
[R5-ospf-1]area 0
[R5-ospf-1-area-0.0.0.0]network 10.1.1.2 0.0.0.0
[R5-ospf-1-area-0.0.0.0]network 5.5.5.5 0.0.0.0

[R6]ospf 1 router-id 6.6.6.6
[R6-ospf-1]area 0
[R6-ospf-1-area-0.0.0.0]network 10.1.1.3 0.0.0.0
[R6-ospf-1-area-0.0.0.0]network 6.6.6.6 0.0.0.0
[R6-ospf-1]area 2
[R6-ospf-1-area-0.0.0.2]network 172.16.64.6 0.0.0.0

[R7]ospf 1 router-id 7.7.7.7
[R7-ospf-1]area 0
[R7-ospf-1-area-0.0.0.0]network 10.1.1.4 0.0.0.0
[R7-ospf-1-area-0.0.0.0]network 7.7.7.7 0.0.0.0
[R7-ospf-1]area 3
[R7-ospf-1-area-0.0.0.3]network 172.16.96.7 0.0.0.0

[R8]ospf 1 router-id 8.8.8.8
[R8-ospf-1]area 3
[R8-ospf-1-area-0.0.0.3]network 172.16.96.8 0.0.0.0
[R8-ospf-1-area-0.0.0.3]network 172.16.112.8 0.0.0.0
[R8-ospf-1-area-0.0.0.3]network 8.8.8.8 0.0.0.0

[R9]ospf 1 router-id 9.9.9.9
[R9-ospf-1]area 3
[R9-ospf-1-area-0.0.0.3]network 172.16.112.9 0.0.0.0
[R9-ospf-1]area 4
[R9-ospf-1-area-0.0.0.4]network 172.16.128.9 0.0.0.0
[R9-ospf-1-area-0.0.0.4]network 9.9.9.9 0.0.0.0

[R10]ospf 1 router-id 10.10.10.10
[R10-ospf-1]area 4
[R10-ospf-1-area-0.0.0.4]network 172.16.128.10 0.0.0.0
[R10-ospf-1-area-0.0.0.4]network 10.10.10.10 0.0.0.0

[R11]ospf 1 router-id 11.11.11.11
[R11-ospf-1]area 2
[R11-ospf-1-area-0.0.0.2]network 172.16.64.11 0.0.0.0
[R11-ospf-1-area-0.0.0.2]network 172.16.80.11 0.0.0.0
[R11-ospf-1-area-0.0.0.2]network 11.11.11.11 0.0.0.0

[R12]ospf 1 router-id 12.12.12.12 
[R12-ospf-1]area 2
[R12-ospf-1-area-0.0.0.2]network 172.16.80.12 0.0.0.0
[R12]rip 
[R12-rip-1]version 2
[R12-rip-1]network 12.0.0.0 

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    修改R3, R5, R6, R7网络类型

    [R3-Tunnel0/0/0]ospf network-type broadcast 
[R5-Tunnel0/0/0]ospf network-type broadcast 
[R6-Tunnel0/0/0]ospf network-type broadcast 
[R7-Tunnel0/0/0]ospf network-type broadcast 

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    并且R5, R6, R7修改dr优先级

    [R5-Tunnel0/0/0]ospf dr-priority 0
[R6-Tunnel0/0/0]ospf dr-priority 0
[R7-Tunnel0/0/0]ospf dr-priority 0

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    在R3上查看

    image-20220723211936074

    6、重发布

    [R9-ospf-1]import-route ospf 2
[R12-ospf-1]import-route rip

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    7、域间路由汇总、域外路由汇总

    域间汇总
[R3-ospf-1-area-0.0.0.1]abr-summary 172.16.0.0 255.255.224.0
[R6-ospf-1-area-0.0.0.2]abr-summary 172.16.64.0 255.255.224.0
[R7-ospf-1-area-0.0.0.3]abr-summary 172.16.96.0 255.255.224.0

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    域外汇总
[R9-ospf-1]asbr-summary 172.16.128.0 255.255.224.0

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    8、空接口防环路由

    ip route-static x.x.x.x NULL 0

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    9、特殊区域

    [R3-ospf-1-area-0.0.0.1]stub no-summary
[R1-ospf-1-area-0.0.0.1]stub
[R2-ospf-1-area-0.0.0.1]stub

[R6-ospf-1-area-0.0.0.2]nssa no-summary 
[R11-ospf-1-area-0.0.0.2]nssa
[R12-ospf-1-area-0.0.0.2]nssa

[R7-ospf-1-area-0.0.0.3]nssa no-summary
[R8-ospf-1-area-0.0.0.3]nssa
[R9-ospf-1-area-0.0.0.3]nssa

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    10、更改hello时间

    ospf timer hello interval 

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    11、测试全网可达

    image-20220723220540205

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  • 原文地址：https://blog.csdn.net/weixin_49252364/article/details/125953841