The task is to port-security on the port fastethernet 0/10 Allow only one mac-address to access this port In case of violation the port should go down Switch> Switch>enable Switch#configure terminal Switch( config )#hostname Beder Beder ( config )#interface fastEthernet 0/10 Beder ( config -if )# switchport mode access Beder ( config -if )# switchport port-security Beder ( config -if )# switchport port-security violation shutdown Beder ( config -if )# switchport port-security mac-address sticky Beder ( config -if )# switchport port-security maximum 1 Beder ( config -if )#exit