CertExams.com Simulator Lab Exercises Answers

OSPF Routing Configuration - Scenario

Description: The purpose of this Lab is to configure OSPF on all the devices and test for ping and trace commands.

Instructions:

1) Assign the IP address of all the devices as given below

Device Interface IP Address Mask
R1 S0
S1
192.168.1.1
192.168.3.1
255.255.255.0
255.255.255.0
R2 S0
S1
192.168.1.2
192.168.2.1
255.255.255.0
255.255.255.0
R3 S0
S1
192.168.3.2
192.168.2.2
255.255.255.0
255.255.255.0

2) Bring all the interfaces to up

3) Configure OSPF on all the Devices,Use Process ID 1 and Autonomous System number 0

4) From R1 issue a ping and trace command to R2-S1 and R3-S1 interfaces

On R1:

R1>enable
R1#configure terminal
R1(config)#interface serial 0
R1(config-if)#ip address 192.168.1.1 255.255.255.0
R1(config-if)# no shutdown
R1(config-if)#exit
R1(config)#interface serial 1
R1(config-if)#ip address 192.168.3.1 255.255.255.0
R1(config-if)# no shutdown
R1(config-if)#exit
R1(config)#router ospf 1
R1(config-router)#network 192.168.1.0 0.0.0.255 area 0
R1(config-router)#network 192.168.3.0 0.0.0.255 area 0

On R2:

R2>enable
R2#configure terminal
R2(config)#interface serial 0
R2(config-if)#ip address 192.168.1.2 255.255.255.0
R2(config-if)# no shutdown
R2(config-if)#exit
R2(config)#interface serial 1
R2(config-if)#ip address 192.168.2.1 255.255.255.0
R2(config-if)# no shutdown
R2(config-if)#exit
R2(config)#router ospf 1
R2(config-router)#network 192.168.1.0 0.0.0.255 area 0
R2(config-router)#network 192.168.2.0 0.0.0.255 area 0

On R3:

R3>enable
R3#configure terminal
R3(config)#interface serial 0
R3(config-if)#ip address 192.168.3.2 255.255.255.0
R3(config-if)# no shutdown
R3(config-if)#exit
R3(config)#interface serial 1
R3(config-if)#ip address 192.168.2.2 255.255.255.0
R3(config-if)# no shutdown
R3(config-if)#exit
R3(config)#router ospf 1
R3(config-router)#network 192.168.3.0 0.0.0.255 area 0
R3(config-router)#network 192.168.2.0 0.0.0.255 area 0

On R1:

R1#ping 192.168.2.2
R1#ping 192.168.2.1
R1#trace 192.168.2.2
R1#trace 192.168.2.1

Network Diagram:

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