switch
enable
config terminal
vlan 10
name vlan10
vlan 20
name vlan20
exit
interface Fa0/1
switchport mode access
switchport access vlan 10
exit
interface Fa0/2
switchport mode access
switchport access vlan 10
exit
interface Fa0/3
switchport mode access
switchport access vlan 20
exit
interface Fa0/4
switchport mode access
switchport access vlan 20
exit
interface fa0/5
switchport mode trunk
switchport trunk allowed vlan 10,20
multi switch
enable
config terminal
vlan 10
name vlan10
vlan 20
name vlan20
exit
interface vlan 10
ip address 192.168.10.1 255.255.255.0
no shutdown
exit
interface vlan 20
ip address 192.168.20.1 255.255.255.0
no shutdown
exit
ip routing