ZyXEL MGS-3712F User Guide - Page 174

Chapter 19 Port Security 19.3 VLAN MAC Address Limit Use this screen to set the MAC address learning limit on per-port and per-VLAN basis. Click VLAN MAC Address Limit in the Advanced Application > Port Security screen to display the screen as shown. Figure 93 Advanced Application > Port Security > VLAN MAC Address Limit 174 The following table describes the labels in this screen. Table 44 Advanced Application > Port Security > VLAN MAC Address Limit LABEL DESCRIPTION Active Select this option to activate this rule. Port Enter the number of the port to which this rule is applied. VID Enter the VLAN identification number. Limit Number Use this field to limit the number of (dynamic) MAC addresses that may be learned on a port in a specified VLAN. For example, if you set this field to "5" on port 2, then only the devices with these five learned MAC addresses may access port 2 at any one time. A sixth device would have to wait until one of the five learned MAC addresses aged out. MAC address aging out time can be set in the Switch Setup screen. The valid range is from "0" to "16384". "0" means this feature is disabled. Add Click Add to save your changes to the Switch's run-time memory. The Switch loses these changes if it is turned off or loses power, so use the Save link on the top navigation panel to save your changes to the non- volatile memory when you are done configuring. Cancel Click Cancel to reset the fields to your previous configuration. Clear Click Clear to clear the fields to the factory defaults. Index This field displays the index number of the rule. Click an index number to change the settings. Active This field displays Yes when the rule is activated and No when is it deactivated. Port This field displays the number of the port to which this rule is applied. MGS-3712/MGS-3712F User's Guide