Port Security - D-Link DES-6500 - Switch User Manual

Port Security

A given ports' (or a range of ports') dynamic MAC address learning can be locked such that the current source MAC addresses
entered into the MAC address forwarding table can not be changed once the port lock is enabled. The port can be locked by using
the Admin State pull-down menu to Enabled, and clicking Apply.
Port Security is a security feature that prevents unauthorized computers (with source MAC addresses) unknown to the Switch
prior to locking the port (or ports) from connecting to the Switch's locked ports and gaining access to the network. To view the
following window, click Configuration > Port Security.
The following parameters can be set:
Parameter
Unit
From/To
Admin State
Max. Addr (0-64)
Mode
Click Apply to implement changes made.
xStack DES-6500 Modular Layer 3 Chassis Ethernet Switch User Manual
Figure 6- 38. Port Security Settings and Table window
Description
Choose the Switch ID number of the line card in the chassis to be modified.
A consecutive group of ports may be configured starting with the selected port.
This pull-down menu allows you to enable or disable Port Security (locked MAC address table
for the selected ports).
The number of MAC addresses that will be in the MAC address forwarding table for the
selected switch and group of ports.
This pull-down menu allows users to select 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 not age out after the aging timer expires.
•
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.
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