Cisco Systems N3KC3064TFAL3 manual Verifying the MAC Address Configuration, defined in the switch

Configuring the MAC Address Table

Clearing Dynamic Addresses from the MAC Table

Command or Action	Purpose
	The seconds range is from 0 to 1000000. The default is 300
	seconds. Entering the value 0 disables the MAC aging. If a
	VLAN is not specified, the aging specification applies to all
	VLANs.

This example shows how to set the aging time for entries in the MAC address table to 1800 seconds (30 minutes):

switch# configure terminal

switch(config) # mac-address-table aging-time 1800 switch(config) #

Clearing Dynamic Addresses from the MAC Table

You can clear all dynamic entries in the MAC address table.

Command

switch(config)# clear mac-address-table dynamic

{address mac-addr} {interface [type slot/port port-channelnumber} {vlan vlan-id}

Purpose

Clears the dynamic address entries from the MAC address table.

This example shows how to clear the dynamic entries in the MAC address table:

switch# clear mac-address-table dynamic

Verifying the MAC Address Configuration

To display MAC address configuration information, perform one of these tasks:

Command	Purpose
switch# show mac-address-table aging-time	Displays the MAC address aging time for all VLANs
	defined in the switch.
switch# show mac-address-table	Displays the contents of the MAC address table.

Cisco Nexus 3000 NX-OS Layer 2 Switching Configuration Guide, Release 5.0(3)U3(1)

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