Specifications

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Catalyst 4500 Series Switch Cisco IOS Command Reference—Release IOS XE 3.3.0XO(15.1(1)XO)
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Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
show mac-address-table notification
Operation: Added Vlan: 1 MAC Addr: 1234.5678.9ab3 Dot1dBasePort: 323
Operation: Added Vlan: 1 MAC Addr: 1234.5678.9ab4 Dot1dBasePort: 323
History Index 3, Entry Timestamp 484334, Despatch Timestamp 484334
MAC Changed Message :
Operation: Deleted Vlan: 1 MAC Addr: 1234.5678.9ab0 Dot1dBasePort: 323
Switch#
This example shows how to display the MAC address change status on the Fas tEthernet interfa ce 7/1:
Switch# show mac-address-table notification change interface FastEthernet 7/1
MAC Notification Feature is Enabled on the switch
Interface MAC Added Trap MAC Removed Trap
--------- -------------- ----------------
FastEthernet7/1 Enabled Disabled
Switch#
This example shows how to display the MAC address move status:
Switch# show mac-address-table notification mac-move
MAC Move Notification: Enabled
Switch#
This example shows how to display the MAC address table utilizat ion status:
Switch# show mac-address-table notification threshold
Status limit Interval
-------------+-----------+-------------
enabled 50 120
Switch#
This example shows how to display gene ral information of MAC learn ing failure notifica tions:
Switch# show mac address-table notification learn-fail
Status limit Interval
-------------+-----------+-------------
disabled 2000 120
Related Commands Command Description
clear mac-address-table Clears the address entries from the Layer 2 MAC address
table.
mac-address-table notification Enables MAC address notification on a switch.
snmp-server enable traps Enables SNMP notifications (traps or informs).
snmp trap mac-notification change Enables SNMP MAC address notifications.