In console of r1
r1# conf t
(config)r1#interface f0/0
(config-if)r1# no shut
(config-if)r1# ip addr 10.10.1.2 255.255.255.0
(config-if)r1# do wr
(config-if)r1# exit
In console of r2
r2# conf t
(config)r2# interface f0/0
(config-if)r2# no shut
(config-if)r2# ip addr 10.10.1.1 255.255.255.0
(config-if)r2# do wr
(config-if)r2# exit
(config)r2# interface f0/1
(config-if)r2# no shut
(config-if)r2# ip addr 10.10.2.1 255.255.255.0
(config-if)r2# do wr
In console of r3
r3# conf t
(config)r3# interface f0/0
(config-if)r3# no shut
(config-if)r3# ip addr 10.10.2.2 255.255.255.0
(config-if)r3# do wr
Add static route in r1
r1# show ip route
r1# conf t
(config)# ip route 10.10.2.0 255.255.255.0 10.10.1.1
(config)# do wr
Add static route in r3
r3# show ip route
r3# conf t
(config)r3# ip route 10.10.1.0 255.255.255.0 10.10.2.1
(config)r3# do wr
