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Catalyst 3750-E and 3560-E Switch Software Configuration Guide
OL-9775-08
Chapter 7 Administering the Switch
Managing the MAC Address Table
Beginning in privileged EXEC mode, follow these steps to configure the switch to send MAC
address-move notification traps to an NMS host:
To disable MAC address-move notification traps, use the no
snmp-server enable traps
mac-notification move global configuration command. To disable the MAC address-move notification
feature, use the no mac address-table notification mac-move global configuration command.
This example shows how to specify 172.20.10.10 as the NMS, enable the switch to send MAC address
m
ove notification traps to the NMS, enable the MAC address move notification feature, and enable traps
when a MAC address moves from one port to another.
Switch(config)# snmp-server host 172.20.10.10 traps private mac-notification
Switch(config)# snmp-server enable traps mac-notification move
Switch(config)# mac address-table notification mac-move
You can verify your settings by entering the show mac address-table notification mac-move privileged
EXEC commands.
Configuring MAC Threshold Notification Traps
When you configure MAC threshold notification, an SNMP notification is generated and sent to the
network management system when a MAC address table threshold limit is reached or exceeded.
Command Purpose
Step 1
configure terminal Enter global configuration mode.
Step 2
snmp-server host host-addr {traps | informs}
{version {1 | 2c | 3}} community-string
notification-type
Specify the recipient of the trap message.
• For host-addr, specify the name or address of the NMS.
• Specify traps (the default) to send SNMP traps to the host.
Specify informs to send SNMP informs to the host.
• Specify the SNMP version to support. Version 1, the
default, is not available with informs.
• For community-string, specify the string to send with the
notification operation. Though you can set this string by
using the snmp-server host command, we recommend
that you define this string by using the snmp-server
community command before using the snmp-server host
command.
• For notification-type, use the mac-notification keyword.
Step 3
snmp-server enable traps mac-notification
move
Enable the switch to send MAC address move notification traps
to the NMS.
Step 4
mac address-table notification mac-move Enable the MAC address move notification feature.
Step 5
end Return to privileged EXEC mode.
Step 6
show mac address-table notification mac-move
show running-config
Verify your entries.
Step 7
copy running-config startup-config (Optional) Save your entries in the configuration file.