TP-Link T1600G-18TS Configuration Manual page 169

Managing MAC Address Table
Step 2 mac address-table security vid vid max-learn num {drop | forward | disable}
Configure the maximum number of MAC addresses in the specified VLAN and select a mode
for the switch to adopt when the maximum number is exceeded.
vid :
num
16383.
drop | forward |
addresses in the specified VLAN is exceeded.
drop: Packets of new source MAC addresses in the VLAN will be dropped when the maximum
number of MAC addresses in the specified VLAN is exceeded.
forward: Packets of new source MAC addresses will be forwarded but the addresses not
learned when the maximum number of MAC addresses in the specified VLAN is exceeded.
disable: The number limit on the VLAN is not valid, and the switch follows the original forwarding
rules.
Step 3 end
Return to privileged EXEC mode.
Step 4 copy running-config startup-config
Save the settings in the configuration file.
The following example shows how to limit the number of MAC addresses to 100 in VLAN
10, and configure the switch to drop packets of new source MAC addresses when the limit
is exceeded.
Switch#configure
Switch(config)#mac address-table security vid 10 max-learn 100 drop
Switch(config)#show mac address-table security vid 10
VlanId Max-learn
------ ---------
10 100
Switch(config)#end
Switch#copy running-config startup-config
Specify an existing VLAN in which you want to limit the number of MAC addresses.
: Set the maximum number of MAC addresses in the specific VLAN. It ranges from 0 to
disable: The mode that the switch adopts when the maximum number of MAC
Current-learn Status
-------------
0
------
Drop
Security Configurations
Configuration Guide 146