(switche 1 od dolu)
en
conf t
int fa0/1
switchport access vlan 10
vlan 10
name nauczyciele
exit
int fa0/2
switchport access vlan 20
vlan 20
name uczniowie
exit

(switche 2 od dolu)
en
conf t
int fa0/3
switchport mode trunk
switchport trunk allowed vlan add 10
switchport trunk allowed vlan add 20
exit
do sh int trunk

(switche 3 od dolu)
en
conf t
int fa0/4
switchport mode trunk
switchport trunk allowed vlan add 10
switchport trunk allowed vlan add 20
exit
do sh int trunk
end

(router)
en
conf t
int fa0/0.10
encapsulation dot1Q 10
ip address 192.168.10.1 255.255.255.0
exit
int fa0/0.20
encapsulation dot1Q 20
ip address 192.168.20.1 255.255.255.0
exit
no sh

do sh vlan - pokazuje vlany przypisane