OSPF综合实验

最新推荐文章于 2025-05-08 22:03:56 发布

武涛吴京

最新推荐文章于 2025-05-08 22:03:56 发布

阅读量57

点赞数

文章标签：网络

本文链接：https://blog.youkuaiyun.com/qq_62740725/article/details/134407095

版权

文章详细描述了一个实验中的网络拓扑配置过程，包括接口IP地址设置、公网路由、OSPF协议配置、ABR和ASBR的角色，NAT转换，以及区域设置、认证和加速收敛等技术细节。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

实验拓扑

实验要求

接口IP地址配置

、

配置公网通

[R3]ip route-static 0.0.0.0 0 34.0.0.4

[R5]ip route-static 0.0.0.0 0 45.0.0.4

[R6]ip route-static 0.0.0.0 0 46.0.0.4

[R7]ip route-static 0.0.0.0 0 47.0.0.4

R3 R5 R6 配置MGRE R3为中心

[R3]int Tunnel 0/0/0
[R3-Tunnel0/0/0]ip add 172.16.6.3 24
[R3-Tunnel0/0/0]tunnel-protocol gre p2mp
[R3-Tunnel0/0/0]source 34.0.0.3
[R3-Tunnel0/0/0]nhrp network-id 100
[R3-Tunnel0/0/0]nhrp entry multicast dynamic

[R5]int Tunnel 0/0/0
[R5-Tunnel0/0/0]ip add 172.16.6.5 24
[R5-Tunnel0/0/0]tunnel-protocol gre p2mp
[R5-Tunnel0/0/0]source Serial 4/0/0
[R5-Tunnel0/0/0]nhrp network-id 100
[R5-Tunnel0/0/0]nhrp entry 172.16.6.3 34.0.0.3 register

[R6]int Tunnel 0/0/0
[R6-Tunnel0/0/0]ip add 172.16.6.6 24
[R6-Tunnel0/0/0]tunnel-protocol gre p2mp
[R6-Tunnel0/0/0]sou Serial 4/0/0
[R6-Tunnel0/0/0]nhrp network-id 100
[R6-Tunnel0/0/0]nhrp entry 172.16.6.3 34.0.0.3 register

[R7]int Tunnel 0/0/0
[R7-Tunnel0/0/0]ip add 172.16.6.7 24
[R7-Tunnel0/0/0]tunnel-protocol gre p2mp
[R7-Tunnel0/0/0]source GigabitEthernet 0/0/0
[R7-Tunnel0/0/0]nhrp network-id 100
[R7-Tunnel0/0/0]nhrp entry 172.16.6.3 34.0.0.3 register

测试

配置OSPF协议

[R1-ospf-1-area-0.0.0.1]network 172.16.33.1 0.0.0.0
[R1-ospf-1-area-0.0.0.1]network 172.16.34.1 0.0.0.0

[R2-ospf-1-area-0.0.0.1]network 0.0.0.0 255.255.255.255

[R3-ospf-1-area-0.0.0.1]network 172.16.36.3 0.0.0.0
[R3-ospf-1-area-0.0.0.1]network 172.16.33.3 0.0.0.0

[R3-ospf-1-area-0.0.0.0]network 172.16.6.0 0.0.0.255

[R5-ospf-1-area-0.0.0.0]network 172.16.3.0 0.0.0.255
[R5-ospf-1-area-0.0.0.0]network 172.16.6.0 0.0.0.255

[R6-ospf-1-area-0.0.0.0]network 172.16.6.0 0.0.0.255
[R6-ospf-1-area-0.0.0.0]network 172.16.4.0 0.0.0.255
[R6-ospf-1-area-0.0.0.2]network 172.16.65.1 0.0.0.0

[R11-ospf-1-area-0.0.0.2]network 0.0.0.0 255.255.255.255

[R12-ospf-1-area-0.0.0.2]network 172.16.65.6 0.0.0.0

[R7-ospf-1-area-0.0.0.0]network 172.16.6.0 0.0.0.255
[R7-ospf-1-area-0.0.0.0]network 172.16.5.0 0.0.0.255
[R7-ospf-1-area-0.0.0.3]network 172.16.97.1 0.0.0.0

[R8-ospf-1-area-0.0.0.3]network 0.0.0.0 255.255.255.255

[R9-ospf-1-area-0.0.0.3]network 172.16.97.6 0.0.0.0

[R9-ospf-2-area-0.0.0.4]network 172.16.129.1 0.0.0.0
[R9-ospf-2-area-0.0.0.4]network 172.16.130.0 0.0.0.255

[R10-ospf-2-area-0.0.0.4]network 0.0.0.0 255.255.255.255

重发布，r9路由器做网段引入

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

rip

[R12]rip 1
[R12-rip-1]undo summary
[R12-rip-1]version 2
[R12-rip-1]network 172.16.0.0

更改ospf路由协议网络类型

[R3-Tunnel0/0/0]ospf network-type broadcast

[R4-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

修改DR,BDR选举

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

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

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

公私网通配置 NAT

[R3]acl 2000
[R3-acl-basic-2000]rule permit source 172.16.0.0 0.0.255.255
[R3]int s4/0/0
[R3-Serial4/0/0]nat outbound 2000

[R5]acl 2000
[R5-acl-basic-2000]rule permit source 172.16.0.0 0.0.255.255
[R5-acl-basic-2000]int s4/0/0
[R5-Serial4/0/0]nat outbound 2000

[R7]acl 2000
[R7-acl-basic-2000]rule permit source 172.16.0.0 0.0.0.0
[R7-acl-basic-2000]int g0/0/0
[R7-GigabitEthernet0/0/0]nat outbound 2000

[R6]acl 2000
[R6-acl-basic-2000]rule permit source 172.16.0.0 0.0.255.255
[R6-acl-basic-2000]int s4/0/0
[R6-Serial4/0/0]nat outbound 2000

ABR设备做域间路由汇总，ASBR设备做域外路由汇总

[R3-ospf-1-area-0.0.0.1]abr-summary 172.16.32.0 255.255.224.0

[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

[R9-ospf-1]asbr-summary 172.16.128.0 255.255.224.0

[R12-ospf-1]asbr-summary 172.16.160.0 255.255.224.0

将area1.2.3做成特殊区域减少路由条目

area 1

[R1-ospf-1-area-0.0.0.1]stub

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

area 2

[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

area 3

[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

对ABR及ASBR做过网络汇总的路由器做空接口防环

[R3]ip route-static 172.16.32.0 19 null 0

[R6]ip route-static 172.16.64.0 19 null 0

[R7]ip route-static 172.16.96.0 19 null 0

[R9]ip route-static 172.16.128.0 19 null 0

[R12]ip route-static 172.16.160.0 19 null 0

对area 0进行区域配置认证

[R1-ospf-1-area-0.0.0.1]authentication-mode md5 1 cipher 666666

[R2-ospf-1-area-0.0.0.1]authentication-mode md5 1 cipher 666666

[R3-ospf-1-area-0.0.0.1]authentication-mode md5 1 cipher 666666

加快收敛

[R3-Tunnel0/0/0]ospf timer hello 10

[R5-Tunnel0/0/0]ospf timer hello 10

[R6-Tunnel0/0/0]ospf timer hello 10

[R7-Tunnel0/0/0]ospf timer hello 10