Cisco 4500M Command Reference Manual page 499

Chapter2 Cisco IOS Commands for the Catalyst 4500 Series Switches
switchport port-security
This example shows how to configure a secure MAC address on Fast Ethernet port 12:
Switch(config)# interface fastethernet 0/12
Switch(config-if)# switchport mode access
Switch(config-if)# switchport port-security
Switch(config-if)# switchport port-security mac-address 1000.2000.3000
Switch(config-if)
You can verify your settings by using the show port-security address privileged EXEC command.
Related Commands
show interfaces switchport
show port-security
switchport block
Catalyst4500 Series SwitchCiscoIOS Command Reference—Release 12.2(18)EW
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