! ! Configuration for S2 ! hostname S2 ! vlan 10 name Staff vlan 20 name Management vlan 999 name Native_Unused ! interface FastEthernet0/10 switchport mode access switchport access vlan 10 no shutdown ! interface FastEthernet0/20 switchport mode access switchport access vlan 20 no shutdown ! interface GigabitEthernet0/1 switchport mode trunk switchport nonegotiate switchport trunk native vlan 999 switchport trunk allowed vlan 10,20,999 no shutdown ! end