Cisco Catalyst 4500 Series Command Reference Guide

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Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.4.0SG and IOS 15.1(2)SG)
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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.

Cisco Catalyst 4500 Series Specifications

General

Series	Catalyst 4500 Series
Category	Switch
Layer Support	Layer 2, Layer 3
Form Factor	Modular chassis
Stackable	No
Chassis Slots	3, 6, 7, 10
Power Supply Options	AC, DC
Redundancy	Power supply, Supervisor engine
Network Management	Cisco IOS Software CLI, SNMP, Cisco Prime Infrastructure
Features	Security, QoS
Port Density	Up to 384 ports per chassis
Security Features	802.1X, ACLs, DHCP Snooping, Dynamic ARP Inspection, IP Source Guard
Supervisor Engine	8-E