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Catalyst4500 Series SwitchCiscoIOS Command Reference—Release 12.2(18)EW
78-16201-01
Chapter2Cisco IOS Commands for the Catalyst 4500 Series Switches
show mac-address-table address
show mac-address-table address
To display MAC address table information for a specific MAC address, use the show mac-address-table
address command.
show mac-address-table address mac_addr [interface type slot/port | protocol protocol | vlan
vlan_id]
Syntax Description
Defaults This command has no default settings.
Command Modes Privileged EXEC
Command History
Usage Guidelines For MAC address table entries used by routed ports, the routed port name is displayed in the “vlan”
column rather than the internal VLAN number.
The keyword definitions for the protocol variable are as follows:
• ip specifies IP protocol.
• ipx specifies IPX protocols.
• assigned specifies assigned protocol entries.
• other specifies other protocol entries.
Examples This example shows how to display MAC address table information for a specific MAC address:
Switch# show mac-address-table address 0030.94fc.0dff
Unicast Entries
vlan mac address type protocols port
-------+---------------+--------+---------------------+--------------------
1 0030.94fc.0dff static ip,ipx,assigned,other Switch
Fa6/1 0030.94fc.0dff static ip,ipx,assigned,other Switch
Fa6/2 0030.94fc.0dff static ip,ipx,assigned,other Switch
Switch#
mac_addr 48-bit MAC address; the valid format is H.H.H.
interface type slot/port (Optional) Displays information for a specific interface; valid values for
type are FastEthernet and GigabitEthernet.
protocol protocol (Optional) Specifies a protocol. See “Usage Guidelines” for more
information.
vlan vlan_id (Optional) Displays entries for the specific VLAN only; 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 Added support for extended VLAN addresses.
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