ospf配置实验-优快云博客

本文链接：https://blog.youkuaiyun.com/weixin_74440897/article/details/130652933

配置了一个IP地址为192.168.1.0/24的网络，其中R1被设为DR，R2为BDR。R3至R5间采用MD5密文认证，R1、R2和R5配置了环回接口，但R5的环回接口未宣告进OSPF。所有设备通过OSPF进行路由，确保全网可达。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

拓扑图

在这里插入图片描述

需求分析

要求:
1、整个网络IP地址为192.168.1.0/24,自己规划
2、area 0区域手工设置R1为DR、R2为BDR
3、R3-R5之间使用密文认证方式
4、R1、R2、R5上配置环回接口，但是R5环回接口不能宣告进ospf
5、全网可达

配置内容

[r1]int g0/0/0
[r1-GigabitEthernet0/0/0]ip address 192.168.1.1 27
[r1-GigabitEthernet0/0/0]int l 0
[r1-LoopBack0]ip address 192.168.1.161 32
[r1-LoopBack0]ip ad
[r1]ospf 1 router-id 1.1.1.1
[r1-ospf-1]area 0
[r1-ospf-1-area-0.0.0.0]network 192.168.1.1 0.0.0.0
[r1-ospf-1-area-0.0.0.0]int g0/0/0
[r1-GigabitEthernet0/0/0]ospf dr-priority 10

[r2]int g0/0/0
[r2-GigabitEthernet0/0/0]ip address 192.168.1.33 27
[r2-GigabitEthernet0/0/0]int l 0
[r2-LoopBack0]ip address 192.168.1.193 32
[r2-LoopBack0]q
[r2]ospf 1 router-id 2.2.2.2
[r2-ospf-1]area 0
[r2-ospf-1-area-0.0.0.0]network 192.168.1.33 0.0.0.0
[r2-ospf-1-area-0.0.0.0]int g0/0/0
[r2-GigabitEthernet0/0/0]ospf dr-priority 9

[r3]int g0/0/0
[r3-GigabitEthernet0/0/0]ip address 192.168.1.65 27
[r3-GigabitEthernet0/0/0]int g0/0/1
[r3-GigabitEthernet0/0/1]ip address 192.168.1.97 27
[r3-GigabitEthernet0/0/1]q
[r3]ospf 1 router-id 3.3.3.3
[r3-ospf-1]area 0
[r3-ospf-1-area-0.0.0.0]network 192.168.1.65 0.0.0.0
[r3-ospf-1-area-0.0.0.0]area 1
[r3-ospf-1-area-0.0.0.1]network 192.168.1.97 0.0.0.0
[r3-ospf-1-area-0.0.0.1]q
[r3-ospf-1]int g0/0/0
[r3-GigabitEthernet0/0/0]ospf authentication-mode md5 1 cipher 123456
[r3]int g0/0/1
[r3-GigabitEthernet0/0/1]ospf authentication-mode md5 1 cipher 123456

[r4]int g0/0/0
[r4-GigabitEthernet0/0/0]ip address 192.168.1.98 27
[r4-GigabitEthernet0/0/0]int g0/0/1
[r4-GigabitEthernet0/0/1]ip address 192.168.1.129 27
[r4-GigabitEthernet0/0/1]q
[r4]ospf 1 router-id 4.4.4.4
[r4-ospf-1]area 1
[r4-ospf-1-area-0.0.0.1]network 192.168.1.98 0.0.0.0
[r4-ospf-1-area-0.0.0.1]network 192.168.1.129 0.0.0.0
[r4-ospf-1-area-0.0.0.1]q
[r4-ospf-1]int g0/0/0
[r4-GigabitEthernet0/0/0]ospf authentication-mode md5 1 cipher 123456
[r4-GigabitEthernet0/0/0]int g0/0/1
[r4-GigabitEthernet0/0/1]ospf authentication-mode md5 1 cipher 123456

[r5]int g0/0/0
[r5-GigabitEthernet0/0/0]ip address 192.168.1.130 27
[r5-GigabitEthernet0/0/0]int l 0
[r5-LoopBack0]ip address 192.168.1.225 32
[r5-LoopBack0]q
[r5]ospf router-id 5.5.5.5
[r5-ospf-1]area 1
[r5-ospf-1-area-0.0.0.1]network 192.168.1.130 0.0.0.0
[r5-ospf-1-area-0.0.0.1]q
[r5-ospf-1]default-route-advertise 
[r5-ospf-1]q
[r5]int g0/0/0
[r5-GigabitEthernet0/0/0]ospf authentication-mode md5 1 cipher 123456