D-Link DWS-3160-24TC DWS-3160 Series Web UI Reference Guide - Page 226

DWS-3160 Series Gigabit Ethernet Unified Switch Web UI Reference Guide Port Security Port Security Settings A given port's (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 cannot be changed once the port lock is enabled. The port can be locked by changing the Admin State drop-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 this window, click Security > Port Security > Port Security Settings as shown below: Figure 11-39 Port Security Settings window The fields that can be configured are described below: Parameter Description Port Security Trap/Log Settings System Max Address (1-3072) From Port / To Port Admin State Lock Address Mode Click to enable or disable Port Security traps and logs on the Switch. Enter the system maximum address. Tick the No Limit check box to have unlimited system addresses. Use the drop-down menus to select a range of ports to be configured. Use the drop-down menu to enable or disable Port Security (locked MAC address table for the selected ports). 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 addresses will only age out after the Switch has been reset. DeleteOnTimeout - The locked addresses will age out after the aging timer expires. 221