D-Link DGS-3324SRi Product Manual - Page 100
Port Security, Port Security Settings and Table window, Parameter, Description, From/To
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xStack DGS/DXS-3300 Series Layer 3 Stackable Gigabit Ethernet 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 pulldown 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. Figure 6- 43. Port Security Settings and Table window The following parameters can be set: Parameter Description Unit Choose the Switch ID number of the Switch in the switch stack to be modified. From/To A consecutive group of ports may be configured starting with the selected port. Admin State This pull-down menu allows the user to enable or disable Port Security (locked MAC address table for the selected ports). Max. Learning Addr. (0-64) The number of MAC addresses that will be in the MAC address forwarding table for the selected switch and group of ports. Mode This pull-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. • DeleteOnReset - The locked addresses will not age out until the Switch has been reset or rebooted. Click Apply to implement changes made. 85