ZyXEL Communications GS2210 Series User Manual page 150

Chapter 19 Port Security
Figure 107 Advanced Application > Port Security
The following table describes the labels in this screen.
Table 58 Advanced Application > Port Security
LABEL
Port List
MAC freeze
Active
Port
*
Active
Address
Learning
150
DESCRIPTION
Enter the number of the port(s) (separated by a comma) on which you want to enable port
security and disable MAC address learning. After you click MAC freeze, all previously
learned MAC addresses on the specified port(s) will become static MAC addresses and
display in the Static MAC Forwarding screen.
Click MAC freeze to have the Switch automatically select the Active check boxes and clear
the Address Learning check boxes only for the ports specified in the Port list.
Select this option to enable port security on the Switch.
This field displays the port number.
Settings in this row apply to all ports.
Use this row only if you want to make some settings the same for all ports. Use this row first
to set the common settings and then make adjustments on a port-by-port basis.
Note: Changes in this row are copied to all the ports as soon as you make them.
Select this check box to enable the port security feature on this port. The Switch forwards
packets whose MAC address(es) is in the MAC address table on this port. Packets with no
matching MAC address(es) are dropped.
Clear this check box to disable the port security feature. The Switch forwards all packets on
this port.
MAC address learning reduces outgoing broadcast traffic. For MAC address learning to occur
on a port, the port itself must be active with address learning enabled.
GS2210 Series User's Guide