In this lab, the objective is to configure a static route on a network consisting of three Cisco routers (R1, R2, and R3). A static route is a route added manually to the routing table that tells a router the path to reach a subnetwork.
Network Topology
The network topology for this lab is shown below. As you can see, it consists of three routers connected together.
Lab Objectives
The objective of this lab is to configure static routes on each router as follows:
- Configure the IP address for the interfaces of the router (both physical and loopback interfaces).
- On Router 1: Configure a static route to the 192.168.21.0 network, Router 2’s loopback interface, and Router 3’s loopback interface.
- On Router 2: Configure a static route to the loop-back interface of routers 1 and Router 3.
- On Router 3: Configure a static route to the loopback interfaces of router 1 and router 2. Also, configure a static route to the 192.168.12.0 /24 network.
Lab Solution
The following commands are the configuration needed to complete on the lab above;
on R1,
=========================================
R1(config)#interface ethernet0/0
R1(config-if)#ip address 192.168.12.1 255.255.255.0
R1(config-if)#no shutdown
R1(config-if)#exit
R1(config)#interface loopback 0
R1(config-if)#ip address 1.1.1.1 255.255.255.0
R1(config-if)#no shutdown
R1(config-if)#exit
R1(config)#ip route 192.168.21.0 255.255.255.0 192.168.12.2
R1(config)#ip route 3.3.3.0 255.255.255.0 192.168.12.2
R1(config)#ip route 2.2.2.0 255.255.255.0 192.168.12.2
=========================================
on R2,
=========================================
R2(config)#interface ethernet0/0
R2(config-if)#ip address 192.168.12.2 255.255.255.0
R2(config-if)#no shutdown
R2(config-if)#exit
R2(config)#interface ethernet0/1
R2(config-if)#ip address 192.168.21.1 255.255.255.0
R2(config-if)#no shutdown
R2(config-if)#exit
R2(config)#interface loopback 0
R2(config-if)#ip address 2.2.2.2 255.255.255.0
R2(config-if)#no shutdown
R2(config-if)#exit
R2(config)#ip route 1.1.1.0 255.255.255.0 192.168.12.1
R2(config)#ip route 3.3.3.0 255.255.255.0 192.168.21.2
=========================================
on R3,
=========================================
R3(config)#interface ethernet0/1
R3(config-if)#ip address 192.168.21.2 255.255.255.0
R3(config-if)#no shutdown
R3(config-if)#exit
R3(config)#interface loopback 0
R3(config-if)#ip address 3.3.3.3 255.255.255.0
R3(config-if)#no shutdown
R3(config-if)#exit
R3(config)#ip route 192.168.12.0 255.255.255.0 192.168.21.1
R3(config)#ip route 1.1.1.0 255.255.255.0 192.168.21.1
R3(config)#ip route 2.2.2.0 255.255.255.0 192.168.21.1
=========================================If you need any detail about the above lab, here is a separate post where we explained it in detail; Static route Configuration
Reference: https://github.com/misterkrittin/CCNA-Labs
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