D-Link DGS-3000 Series Reference Manual page 252

The fields that can be configured are described below:
Parameter
Port Security Trap/Log
Settings
System Maximum
Address (1-3328)
From Port / To Port
Admin State
Action
Lock Address Mode
Max Learning Address
(0-3328)
Click the Apply button to accept the changes made for each individual section.
DGS-3000 Series Gigabit Ethernet Switch Web UI Reference Guide
Figure 8-47 Port Security Settings window
Description
Click to enable or disable Port Security Traps and Logs on the Switch.
Enter the system maximum address. Select the No Limit check box to have unlimited
system addresses.
Use the drop-down menus to select a range of ports to be configured.
Use the drop-down menu to enable or disable Port Security (locked MAC address table
for the selected ports).
Use the drop-down menus to select the action to be taken when the number of secure
MAC address reaches the maximum learning on the port.
Drop - When the number of secure MAC address reaches the maximum learning on the
port, new entry will be dropped. This is the default setting.
Shutdown - When the number of secure MAC address reaches the maximum learning
on the port, the port will be shut down and enter error-disabled state immediately. The
port state is recovered only by enabling the port manually. The Shutdown action only
applies to port-level security setting.
This drop-down menu allows the option of how the MAC address table locking will be
implemented on the Switch, for the selected group of ports. The options are:
Permanent – The locked addresses will only age out after the Switch has been reset.
DeleteOnTimeout – The locked addresses will age out after the aging timer expires.
DeleteOnReset – The locked addresses will not age out until the Switch has been reset
or rebooted.
Specify the maximum value of port security entries that can be learned on this port.
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