Cisco Catalyst 2960 Command Reference Manual page 470

show port-security
Related Commands Command
clear port-security
switchport port-security
Catalyst 2960 Switch Command Reference
2-546
Chapter 2 Catalyst 3750 Switch Cisco IOS Commands
Description
Deletes from the MAC address table a specific type of secure address
or all the secure addresses on the switch or an interface.
Enables port security on a port, restricts the use of the port to a
user-defined group of stations, and configures secure MAC
addresses.
OL-8604-03