In this lab we will learn how to configure backup route configuration in packet tracer.This is an example lab showing backup route configuration betwenn router0 and Router1.

Step 1:Configure ip address as mentioned in Diagram.

Step2: Route Configuration on Router0

router0(config)#ip route 3.0.0.0 255.0.0.0 2.0.0.2
router0(config)#ip route 3.0.0.0 255.0.0.0 4.0.0.2 20

Step 3: Route Configuration on Router1

Router1(config)#ip route 1.0.0.0 255.0.0.0 2.0.0.1

Router1(config)#ip route 1.0.0.0 255.0.0.0 4.0.0.1 20

Step4: Verfication of above configuration.