show vlan

config t

vlan 330 [ create/edit vlan 330 ]

name my_vlan [ description ]

exit

no vlan 330 [ delete vlan 330 ]

show interface status

interface range Gi1/10-20 [ edit interfaces Gi1/10 -> Gi1/20 ]

switchport trunk encapsulation dot1q [ set encapsulation mode ]

switchport mode trunk [ set trunk mode ]

siwtchport trunk native vlan 1 [ set native to vlan 1 ]

do show run

no switchport access [ turn off access mode ]

switchport trunk allowed vlan none [ disable all vlan ]

switchport trunk allowed vlan add 332 [ enable vlan 332 ]

——

conf t

inte rang fa 0/1-24

switchport port-security

switchport port-security aging time 60

switchport port-security mac-address 1234.5678.9012

switchport port-security violation protect

end

———————————-

lookup an IP, first, pinging 192.168.1.15

Core1# sh ip arp 192.168.1.15

MAC Address : 0000.1111.1111

Core1# sh mac address-table address 0000.1111.1111

Port Gi1/0/20

access switch acsw02

acsw02# sh mac address-table address 0000.1111.1111

port Fa0/18

==> found