Specifications

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Catalyst 4500 Se ries S wit ch C is co IO S C om mand R efer ence —Re lease I OS XE 3 .3.0 XO(1 5.1 (1)XO)
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Chapter 2 Cisco IOS Commands for the Catalyst 4500 Series Switches
mac-address-table notification
Command Modes Global configura tion mode
Usage Guidelines You can enable the MAC change notification feature using the mac- addres s-tab le notifi cati on chang e
command. If you do this, you must also enabl e MAC notification trap s on an interface using the
snmp trap ma c- notif icat ion chang e in ter face configuration command and configure the switch to send
MAC change traps to the NMS using the snmp-server enable traps mac-not ificati on glob al
configuration command.
When the history-size option is configured, the existing MAC change history table is deleted, and a new
table is cr eate d.
Examples This example shows how to set the MAC address notification history table size to 300 entries:
Switch(config)# mac-address-table notification change history-size 300
Switch(config)#
This example shows how to set the MAC address notification interval time to 1250 seconds:
Switch(config)# mac-address-table notification change interval 1250
Switch(config)#
This example shows how to enable hardware MAC address learning failure syslog notification:
Switch(config)# mac address-table notification learn-fail
This example shows how to set the interval of hardware MAC address learning failure syslog notification
to 30 seconds:
Switch(config)# mac address-table notification learn-fail interval 30
Related Commands Command Description
clear mac-address-table Clears the global counter entries from the Layer 2 MAC
address t able.
mac-addr ess-t able n otif icati on Enables MAC address notification on a switch.
snmp-server enable traps Enables SNMP notifications.
snmp trap ma c-not ificatio n cha nge Enables SNMP MAC address notifications.