CCNA第四天实验(rip,eigrp,ospf)

本文详细介绍了CCNA实验中关于rip、eigrp和ospf三种动态路由协议的配置过程。通过建立简单的网络拓扑,配置了各路由器的IP和网段,并展示了在Router0、Router1和Router2上实现的路由表。

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动态路由协议

rip 路由消息协议

(config)#Router rip

(config)#version 2

(config)#no auto-summary //不进行自动汇总

(config)#network 网络号

eigrp 思科私有协议

(config)#router eigrp 自制系统号

(config)#no auto-summary

(config)#network 网络号 反掩码

连接几个网络,宣告几个网络

ospf 开放的最短路径优先协议

(config)#router ospf 进程号

(config)#network 网号号反码 area 区域号

动态路由实验

建立一个简单拓扑用于实验

这里写图片描述

IP和网段的配置

电脑IP掩码网关DNS
PC0192.168.1.1255.255.255.0192.168.1.254192.168.4.1
Server0192.168.4.1255.255.255.0192.168.4.254192.168.4.1
Server1192.168.4.2255.255.255.0192.168.4.254192.168.4.1
路由器F0/0F0/1
Router0192.168.1.254192.168.2.1
Router1192.168.2.2192.168.3.1
Router2192.168.3.2192.168.4.254

路由器设置

Router0
Router(config)#int f0/0
Router(config-if)#ip add 192.168.1.254 255.255.255.0
Router(config-if)#no sh

Router(config-if)#
%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up

Router(config-if)#int f0/1
Router(config-if)#ip add 192.168.2.1 255.255.255.252
Router(config-if)#no sh

Router(config-if)#
%LINK-5-CHANGED: Interface FastEthernet0/1, changed state to up

Router(config-if)#
Router#
%SYS-5-CONFIG_I: Configured from console by console
Router1
Router(config)#int f0/0
Router(config-if)#ip add 192.168.2.2 255.255.255.252
Router(config-if)#no sh

Router(config-if)#
%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up

Router(config-if)#
Router(config-if)#int f0/1
Router(config-if)#ip add 192.168.3.1 255.255.255.252
Router(config-if)#no shutdown 

Router(config-if)#
%LINK-5-CHANGED: Interface FastEthernet0/1, changed state to up

Router(config-if)#
Router#
%SYS-5-CONFIG_I: Configured from console by console
Router2
Router(config)#int f0/0
Router(config-if)#ip add 192.168.3.2 255.255.255.252
Router(config-if)#no sh

Router(config-if)#
%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up

Router(config-if)#int f0/1
Router(config-if)#ip add 192.168.4.254 255.255.255.0
Router(config-if)#no sh

Router(config-if)#
%LINK-5-CHANGED: Interface FastEthernet0/1, changed state to up

%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to up

Router(config-if)#
Router#

rip

Router0

Router(config)#router rip
Router(config-router)#version 2
Router(config-router)#no auto-summary 
Router(config-router)#network 192.168.1.0
Router(config-router)#network 192.168.2.0

Router1

Router(config)#router rip 
Router(config-router)#version 2
Router(config-router)#no auto-summary 
Router(config-router)#network 192.168.2.0
Router(config-router)#network 192.168.3.0

Router2

Router(config)#router rip
Router(config-router)#version 2
Router(config-router)#no auto-summary 
Router(config-router)#network 192.168.3.0
Router(config-router)#network 192.168.4.0

实现的路由表

Router(config-router)#do show ip route
Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
       i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area
       * - candidate default, U - per-user static route, o - ODR
       P - periodic downloaded static route

Gateway of last resort is not set

R    192.168.1.0/24 [120/2] via 192.168.3.1, 00:00:01, FastEthernet0/0
     192.168.2.0/30 is subnetted, 1 subnets
R       192.168.2.0 [120/1] via 192.168.3.1, 00:00:01, FastEthernet0/0
     192.168.3.0/30 is subnetted, 1 subnets
C       192.168.3.0 is directly connected, FastEthernet0/0
C    192.168.4.0/24 is directly connected, FastEthernet0/1
Router(config-router)#

这里写图片描述

eigrp

Router0

Router(config)#router eigrp 1
Router(config-router)#no auto-summary 
Router(config-router)#network 192.168.1.0 0.0.0.255
Router(config-router)#network 192.168.2.0 0.0.0.3

Router1

Router(config)#router eigrp 1
Router(config-router)#no auto-summary 
Router(config-router)#network 192.168.2.0 0.0.0.3
Router(config-router)#network 192.168.3.0 0.0.0.3

Router2

Router(config)#router eigrp 1
Router(config-router)#no auto-summary 
Router(config-router)#network 192.168.3.0 0.0.0.3
Router(config-router)#network 192.168.4.0 0.0.0.255

实现的路由表

Router#show ip route 
Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
       i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area
       * - candidate default, U - per-user static route, o - ODR
       P - periodic downloaded static route

Gateway of last resort is not set

D    192.168.1.0/24 [90/30720] via 192.168.2.1, 00:03:50, FastEthernet0/0
     192.168.2.0/30 is subnetted, 1 subnets
C       192.168.2.0 is directly connected, FastEthernet0/0
     192.168.3.0/30 is subnetted, 1 subnets
C       192.168.3.0 is directly connected, FastEthernet0/1
D    192.168.4.0/24 [90/30720] via 192.168.3.2, 00:00:48, FastEthernet0/1
Router#

这里写图片描述

ospf

Router0

Router(config)#router ospf 1
Router(config-router)#network 192.168.1.0 0.0.0.255 area 0
Router(config-router)#network 192.168.2.0 0.0.0.3 area 0

Router1

Router(config)#router ospf 1
Router(config-router)#network 192.168.2.0 0.0.0.3 area 0
Router(config-router)#network 192.168.3.0 0.0.0.3 area 1

Router2

Router(config)#router ospf 1
Router(config-router)#network 192.168.3.0 0.0.0.3 area 1
Router(config-router)#network 192.168.4.0 0.0.0.255 area 1

实现的路由表

Router#show ip route 
Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
       D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
       N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
       E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
       i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area
       * - candidate default, U - per-user static route, o - ODR
       P - periodic downloaded static route

Gateway of last resort is not set

O IA 192.168.1.0/24 [110/3] via 192.168.3.1, 00:01:15, FastEthernet0/0
     192.168.2.0/30 is subnetted, 1 subnets
O IA    192.168.2.0 [110/2] via 192.168.3.1, 00:01:15, FastEthernet0/0
     192.168.3.0/30 is subnetted, 1 subnets
C       192.168.3.0 is directly connected, FastEthernet0/0
C    192.168.4.0/24 is directly connected, FastEthernet0/1
Router#

这里写图片描述

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