EIGRP to realize the default routing configuration of Intranet access extranet

Source: Internet
Author: User
Tags config

R1 and R2 for the company intranet, R3 for the extranet, R1 and R2 configuration eigrp, in R2 and R3 configuration of the default route, the experiment is to use four methods to achieve R1 and R2 intranet can access the extranet R3.

1. Experiment topology:

2. Configure each router to connect the IP address of the interface

R1 (config) #int s1/0

R1 (config-if) #ip add

R1 (config-if) #ip address 10.1.1.1 255.255.252.0

R1 (config-if) #no shut

R1 (config-if) #int Lo1

R1 (config-if) #ip ad

R1 (config-if) #ip address 11.11.11.11 255.255.255.255

R1 (config-if) #int Lo2

R1 (config-if) #ip ad

R1 (config-if) #ip address 172.16.9.1 255.255.255.0

R1 (config-if) #int Lo2

R1 (config-if) #ip ad

R1 (config-if) #ip address 172.16.10.1 255.255.255.0

R1 (config-if) #int Lo3

R1 (config-if) #ip ad

R1 (config-if) #ip address 172.16.11.1 255.255.255.0

R1 (config-if) #int Lo4

R1 (config-if) #ip ad

R1 (config-if) #ip address 172.16.12.1 255.255.255.0

R1 (config-if) #

R2 (config) #int S1/1

R2 (config-if) #ip ad

R2 (config-if) #ip address 10.1.1.2 255.255.255.252

R2 (config-if) #no shut

R2 (config-if) #int s1/0

R2 (config-if) #ip ad

R2 (config-if) #ip address 20.1.1.2 255.255.255.252

R2 (config-if) #no shut

R2 (config-if) #int Lo1

R2 (config-if) #ip ad

R2 (config-if) #ip address 22.22.22.22 255.255.255.255

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