Users Guide

Layer 2 Switching Commands 336
User Guidelines
MAC notification traps are only sent when enabled on an interface using the
snmp trap mac-notification change command, in addition to the Global
Configuration mode snmp-server enable traps mac-notification change and
mac address-table notification change commands.
Example
This example enables MAC notification, sets the buffer size to 255, and
enables MAC notification traps for interface Gi1/0/3. This will send the MAC
notification trap or inform to all configured SNMP hosts.
console(config)#mac address-table notification change
console(config)#mac address-table notification change history 255
console(config)#smnp-server enable traps mac-notification
console(config)#interface gi1/0/3
console(config-if-Gi1/0/3)#snmp trap mac-notification change added
console(config-if-Gi1/0/3)#snmp trap mac-notification change removed
Command History
Command introduced in version 6.7.0 firmware.
show mac address-table notification change
Use this command to display the MAC notification configuration and
contents of the MAC notification history buffer.
Syntax
show mac address-table notification [ change [interface [ interface-id ]]]
• change — Display the MAC notification configuration and buffer
contents.
• interface — Display the interface MAC notification configuration.
•
interface-id — An interface identifier (Ethernet or Port-Channel)
Default Configuration
If no interface-id is specified, all interfaces are shown by default.