174 
is generated and sent to the network management system (NMS) when the 
MAC address threshold limit on this port is reached or exceeded. To configure 
the port’s MAC address threshold, please refer to mac address-table 
max-mac-count. 
new-mac-learned enable | disable    —— Enable/Disable the new-mac-learned 
notification on this port.  With this feature enabled, a SNMP notification is 
generated and sent to the network management system (NMS) when the port 
learns a new MAC address. 
Command Mode 
Interface Configuration Mode (interface gigabitEthernet / interface range 
gigabitEthernet) 
Privilege Requirement 
Only Admin, Operator and Power User level users have access to these 
commands. 
Example 
Enable the learn-mode-change notification on port 1/0/2: 
T2600G-28TS(config)# mac address-table notification global-status enable 
T2600G-28TS(config)# interface gigabitEthernet 1/0/2 
T2600G-28TS(config-if)#  mac address-table notification 
learn-mode-change enable 
25.7 mac address-table security 
Description 
The mac address-table security command is used to configure security of the 
MAC address table in a specified VLAN.   
Syntax 
mac address-table  security vid vid  max-learn  number  { forward | drop | 
disable } 
Parameter 
vid —— Speicify the VLAN ID to configure its MAC address table. 
number —— Configure the threshold of the MAC address table in this VLAN. It 
ranges from 0 to 16383. 
forward | drop | disable  ——  Choose the mode when learned MAC number 
exceeds the threshold of the MAC address table in this VLAN.