Three Routers interworking

Use GNS3 Experiment three routers interworking

An experimental topology

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Two experimental requirements

1 Three routes each have a return port,R1 also back to the port IP address 1.1.1.1 R2 also return the port IP address 2.2.2.2 R3 also back to the port IP address 3.3.3.3. subnets are all in the same place

2 full Topology interoperability

Three experimental steps

Note GNS3 If you use a router to switch switches when using only the switch, pay attention to the interface connection, otherwise error will occur

R1 fa0/0192.168.1.10

R2 fa0/0 192.168.1.20

R3 fa0/0192.168.1.30

R2 1/0192.168.2.10

R3 1/0192.168.2.20

first of all, the three routers of the fa0/0 interface with a network segment, I configured after 192.168.1.0/24 will R2 and R3 s1/0 Interface is configured in a network segment, I am equipped with 192.168.2.0/24, after which the routers can be exchanged between

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R1 is configured as follows

R1#configure Terminal

R1 (config) #interface loopback 1

R1 (config-if) #ip address 1.1.1.1255.255.255.0

R1 (config-if) #no shut

R1 (config-if) #exit

R1 (config) #interface fa0/0

R1 (config-if) #ip address 192.168.1.10255.255.255.0

R1 (config-if) #no shut

R1 (config-if) #exit

R1 (config) #ip Route 2.2.2.0 255.255.255.0192.168.1.20

R1 (config) #ip Route 3.3.3.0 255.255.255.0192.168.1.30

R1 (config) #ip Route 192.168.2.0255.255.255.0 192.168.1.20

R1 (config) #ip Route 192.168.2.0255.255.255.0 192.168.1.30

To test

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R2 is configured as follows

R2#configure Terminal

R2 (config) #interface loopback 2

R2 (config-if) #ip address 2.2.2.2255.255.255.0

R2 (config-if) #no shut

R2 (config-if) #exit

R2 (config) #interface fa0/0

R2 (config-if) #ip address 192.168.1.20255.255.255.0

R2 (config-if) #no shut

R2 (config-if) #exit

R2 (config) #interface s1/0

R2 (config-if) #ip address 192.168.2.10255.255.255.0

R2 (config-if) #no shut

R2 (config-if) #exit

R2 (config) #ip Route 1.1.1.0 255.255.255.0192.168.1.10

R2 (config) #ip Route 3.3.3.0 255.255.255.0192.168.1.30

To test

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R3 is configured as follows

R3#configure Terminal

R3 (config) #interface Loopback 3

R3 (config-if) #ip address 3.3.3.3255.255.255.0

R3 (config-if) #no shut

R3 (config-if) #exit

R3 (config) #interface fa0/0

R3 (config-if) #ip address 192.168.1.30255.255.255.0

R3 (config-if) #no shut

R3 (config) #interface s1/0

R3 (config-if) #ip address 192.168.2.20 255.255.255.0

R3 (config-if) #no shut

R3 (config-if) #exit

R3 (config) #ip Route 1.1.1.0 255.255.255.0192.168.1.10

R3 (config) #ip Route 2.2.2.0 255.255.255.0192.168.2.10

To test

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Three Routers interworking