---

enable
configure terminal
hostname R1
interface fa0/0
no shutdown
exit
interface fa0/0.10
encapsulation dot1Q 10
ip address 192.168.0.1 255.255.255.0
exit
interface fa0/0.20
encapsulation dot1Q 20
ip address 192.168.1.1 255.255.255.0
exit
interface fa0/0.30
encapsulation dot1Q 30
ip address 192.168.2.1 255.255.255.0
end
write memory