---------------------------------- R1 -------------------------------
en
conf t

hostname R1

int g0/0
 ip address 192.168.1.1 255.255.255.0
 no shut
exit

int g0/1
 ip address 192.168.2.1 255.255.255.0
 no shut
exit

int g0/2
 ip address 192.168.5.1 255.255.255.0
 no shut
exit

do show ip int bri
do show ip route 

!! configure static routing for unknown networks

ip route 192.168.3.0 255.255.255.0 192.168.5.2
!! use up arrow key and configure for 4.0 network

do show ip route static
do show run
---------------------------------- R2 -------------------------------
en
conf t

hostname R2

int g0/0
 ip address 192.168.3.1 255.255.255.0
 no shut
exit

int g0/1
 ip address 192.168.4.1 255.255.255.0
 no shut
exit

int g0/2
 ip address 192.168.5.2 255.255.255.0
 no shut
exit

do show ip int bri
do show ip route

!! configure static routing for unknown networks

ip route 192.168.1.0 255.255.255.0 192.168.5.1
!! use up arrow key and configure for 2.0 network

do show ip route static
do show run