Chapter 9: MAC Address Table Commands

SHOW SWITCH FDB

Syntax

show switch fdb [address=macaddress] [port=port] [status=staticdynamicmulticast] [vlan=name]

Parameters

address

Specifies a MAC address. Use this parameter to determine

 

the port on the switch on which a particular MAC address

 

was learned (dynamic) or assigned (static). The address can

 

be entered in either of the following formats:

 

xxxxxxxxxxxx or xx:xx:xx:xx:xx:xx

port

Specifies a port on the switch. Use this parameter to view all

 

addresses learned on a particular port. You can specify

 

more than one port.

status

Specifies the type of MAC addresses you want to view.

 

Choices are static, dynamic, and multicast. If no status is

 

stated, the command displays the static and dynamic

 

unicast addresses.

vlan

Specifies a VLAN name. Use this parameter to view the MAC

 

addresses learned or assigned to the ports of a particular

 

VLAN on the switch.

Note

You can specify more than one parameter at a time with this command.

Description

This command displays the MAC addresses learned or assigned to the ports on the switch.

Examples

The following command displays all the static and dynamic unicast MAC addresses in the switch’s MAC address table:

show switch fdb

The following command displays just the static unicast MAC addresses:

show switch fdb status=static

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Allied Telesis management software layer 2+ fast ethernet switches manual Show Switch FDB, Show switch fdb