CCNP课程实验-07-OSPF-Trouble-Shooting-优快云博客

本文链接：https://blog.youkuaiyun.com/linux7985/article/details/135389543

本文详细描述了在路由器R1、R2、R3和R4配置OSPF时遇到的一系列问题，包括认证不匹配、时间配置错误、区域配置不当、接口宣告错误和网络类型不一致等，并逐步解决了这些问题，最终实现了邻居关系的正常建立。

摘要生成于 C知道，由 DeepSeek-R1 满血版支持，前往体验 >

实验条件

网络拓朴

在这里插入图片描述

环境配置

R1

router ospf 89
 router-id 1.1.1.1

interface Loopback0
 ip address 1.1.1.1 255.255.255.255
 ip ospf 89 area 1
interface Ethernet0/0
 ip address 12.1.1.1 255.255.255.0
 ip ospf authentication message-digest
 ip ospf message-digest-key 1 md5 SPOTO
 ip ospf 89 area 0
interface Ethernet0/1
 ip address 13.1.1.1 255.255.255.0
 ip ospf 89 area 0

R2

router ospf 89
 router-id 2.2.2.2
 area 1 range 4.4.4.0 255.255.255.0
router ospf 1

interface Loopback0
 ip address 2.2.2.2 255.255.255.255
 ip ospf 89 area 0
interface Ethernet0/0
 ip address 12.1.1.2 255.255.255.0
 ip ospf 89 area 0
interface Ethernet0/1
 ip address 24.1.1.2 255.255.255.0
 ip ospf 1 area 89
 ip ospf cost 100

R3

interface Loopback0
 ip address 3.3.3.3 255.255.255.255
 ip ospf 89 area 0
interface Ethernet0/0
 ip address 34.1.1.3 255.255.255.0
 ip ospf network point-to-point
 ip ospf 89 area 1
interface Ethernet0/1
 ip address 13.1.1.3 255.255.255.0
 ip ospf hello-interval 11
 ip ospf 89 area 0


router ospf 89
 router-id 3.3.3.3

R4

router ospf 89
 router-id 4.4.4.4
 area 1 stub

interface Loopback0
 ip address 4.4.4.4 255.255.255.255
interface Ethernet0/0
 ip address 34.1.1.4 255.255.255.0
 duplex auto
interface Ethernet0/1
 ip address 24.1.1.4 255.255.255.0
 ip authentication mode eigrp 1234 md5
 ip authentication key-chain eigrp 1234 CCNP