Allied Telesis AT-S39 - Manual (Page 69)

AT-S39 User’s Guide
69
Configuring the Limited Security Mode
The Limited security mode lets you set a maximum number of dynamic
MAC addresses each port on a switch can learn. When you activate this
security level, the switch deletes all MAC addresses in the dynamic MAC
address table and immediately begins to learn new addresses as frames
are received on the ports. Once the maximum number of MAC addresses
have been learned by a port, frames with new source MAC addresses are
discarded and are not forwarded.
You can assign the same limit to all ports or different limits to different
ports.
Static MAC addresses are not deleted from the static MAC address table.
Static MAC addresses are not included in the count of the maximum
MAC addresses a port can learn. You can continue to add static MAC
addresses even after a port has learned its maximum number of dynamic
MAC addresses.
To configure Limited security mode, perform the following procedure:
1. From the Main Menu, type 1 to select Port Menu.
2. From the Port Menu, type 5 to select Port Security.
The Port Security menu in Figure 16 on page 67 is displayed.
3. From the Port Security menu, type 2 to select Limited security.
The Limited Security Mode menu in Figure 17 is displayed.
Figure 17 Limited Security Mode Menu
Allied Telesyn AT-8024 Ethernet Switch
Port Security Limited Mode Menu
1 - Display MAC limit per port
2 - Set MAC limit per port
3 - Configure port security limited mode
R - Return to Previous Menu
Enter your selection: