Cisco Catalyst 4500 Series - Clear Mac-Address-Table Dynamic

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Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.4.0SG and IOS 15.1(2)SG)
OL-27596 -01
Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
clear mac-address-table dynamic
clear mac-address-table dynamic
To clear the dynamic address entries from the Layer 2 MAC address table, use the clear
mac-address-table dynamic command.
clear mac-address-table dynamic [{address mac_addr} | {interface interface}] [vlan vlan_id]
Syntax Description
Defaults This command has no default settings.
Command Modes Privileged EXEC mode
Command History
Usage Guidelines Enter the clear mac-address-table dynamic command with no arguments to remove all dynamic entries
from the table.
Examples This example shows how to clear all the dynamic Layer 2 entries for a specific interface (gi1/1):
Switch# clear mac-address-table dynamic interface gi1/1
Switch#
Related Commands
address mac_addr (Optional) Specifies the MAC address.
interface interface (Optional) Specifies the interface and clears the entries associated with it; valid
values are FastEthernet and GigabitEthernet.
vlan vlan_id (Optional) Specifies the VLANs; valid values are from 1 to 4094.
Release Modification
12.1(8a)EW Support for this command was introduced on the Catalyst 4500 series switch.
12.1(12c)EW Support for extended VLAN addresses added.
Command Description
mac-address-table aging-time Configures the aging time for entries in the Layer 2 table.
main-cpu Enters the main CPU submode and manually synchronizes
the configurations on two supervisor engines.
show mac-address-table address Displays the information about the MAC-address table.