D-Link xStack DGS-3120 Series, Reference Manual

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xStack® DGS-3120 Series Layer 3 Managed Gigabit Ethernet Switch Web UI Reference Guide
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Admin State Use the drop-down menu to enable or disable Port Security (locked MAC address
table for the selected ports).
Action 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.
Lock Address Mode 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 address will not age out, even if the Switch has been reset
or rebooted, unless the user removes it manually.
Delete on Timeout – The locked addresses will age out after the aging timer expires.
Delete on Reset – The locked addresses will not age out until the Switch has been
reset or rebooted.
Max Learning
Address (0-3072) Specify the maximum value of port security entries that can be learned on this port.
Click the Apply button to accept the changes made for each individual section.
Click the Edit button to re-configure the specific entry.
Click the View Detail button to display the information of the specific entry.
After clicking the View Detail button, the following window will appear:
Figure 8-59 Port Security Port-VLAN Settings window
The fields that can be configured are described below:
Parameter Description
VLAN Name Click the button and enter the name of the VLAN that the port security settings will be
displayed for.
VID List Click the button and enter VLAN IDs that the port security settings will be displayed
for.
Max Learning
Address (0-3072) Specify the maximum value of port security entries that can be learned on this port.
Tick the
No Limit check box to have unlimited number of port security entries that
can be learned by the system.
Click the Apply button to accept the changes made.
Click the <<Back button to discard the changes made and return to the previous page.
Port Security VLAN Settings
Users can configure the maximum number of port-security entries that can be learned on a specific VLAN.
To view this window, click Security > Port Security > Port Security VLAN Settings as shown below: