Name: Cisco Catalyst 3750-X
Brand: Cisco
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Catalyst 3750-X and 3560-X Switch Command Reference

OL-29704-01

Chapter 2 Catalyst 3750-X and 3560-X Switch Cisco IOS Commands

clear port-security

Use the clear port-security privileged EXEC command on the switch stack or on a standalone switch

to delete from the MAC address table all secure addresses or all secure addresses of a specific type

(configured, dynamic, or sticky) on the switch or on an interface.

clear port-security {all | configured | dynamic | sticky} [[address mac-addr | interface

interface-id] [vlan {vlan-id | {access | voice}}]]

Syntax Description

Defaults No default is defined.

Command Modes Privileged EXEC

Command History

all Delete all secure MAC addresses.

configured Delete configured secure MAC addresses.

dynamic Delete secure MAC addresses auto-learned by hardware.

sticky Delete secure MAC addresses, either auto-learned or configured.

address mac-addr (Optional) Delete the specified dynamic secure MAC address.

interface interface-id (Optional) Delete all the dynamic secure MAC addresses on the specified

physical port or VLAN.

vlan (Optional) Delete the specified secure MAC address from the specified

VLAN. Enter one of these options after you enter the vlan keyword:

• vlan-id—On a trunk port, specify the VLAN ID of the VLAN on which

this address should be cleared.

• access—On an access port, clear the specified secure MAC address on

the access VLAN.

• voice—On an access port, clear the specified secure MAC address on the

voice VLAN.

Note The voice keyword is available only if voice VLAN is configured on

a port and if that port is not the access VLAN.

Release Modification

12.2(53)SE2 This command was introduced.

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