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Configuration 4-Routers

Loopback Addresses:

R1 172.17.0.1 255.255.255.255
R2 172.17.0.2 255.255.255.255
R3 172.17.0.3 255.255.255.255
R4 172.17.0.4 255.255.255.255

Network Addresses from Network:
192.168.100.0 255.255.255.0

R1 Serial 1/0 192.168.100.1/30
R2 Serial 1/0 192.168.100.2/30

R2 Serial 1/1 192.168.100.5/30
R3 Serial 1/1 192.168.100.6/30

R3 Serial 1/2 192.168.100.9/30
R4 Serial 1/2 192.168.100.10/30

R4 Serial 1/3 192.168.100.13/30
R1 Serial 1/3 192.168.100.14/30

Lab with 4 Routers connected via Serial Line

The lab uses the Cisco 7200 routers. If you want to use other routers the configuration should work also. Please make sure you have the same interfaces in your simulated router.

The lab has four routers connected via the serial interfaces S1/0, S1/1, S1/2 and S1/3. Each router has a loopback address configured. You can ping the four routers. The telnet password is "network", the enable secret is "routing".

Network File 4-Square
Configuration: R1 R2 R3 R4
Basic OSPF: R1 R2 R3 R4

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