Dell PowerConnect 5448 User's Guide - Page 254
to Limited Dynamic Lock Learning Mode., Locks Port.
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• Set Port - The port is either locked or unlocked. The possible field values are: - Unlocked - Unlocks Port. This is the default value. - Locked - Locks Port. • Learning Mode - The port learning mode. The possible field values are: - Classic Lock - The port will not learn new IP addresses. A computer with a different address cannot connect to the network via the port. - Limited Dynamic Lock - The port will learn a limited number of new IP addresses and then lock. • Max Entries (1-128) - The number of new IP addresses the port will learn before being locked, if set to Limited Dynamic Lock Learning Mode. - Action on Violation - The action to be applied to packets arriving on a locked port. The possible field values are: - Forward - Forwards the packets from an unknown source, however, the MAC address is not learned. - Discard - Discards the packets from any unlearned source. This is the default value. - Shutdown - Discards the packet from any unlearned source and locks the port. Port remained locked until they are activated, or the device is reset. • Trap - Enables traps being sent when a packet is received on a locked port. • Trap Frequency (1-1000000) - The amount of time (in seconds) between traps. This field only applies to Locked ports. The default value is 10 seconds. Defining a Locked Port 1 Open the Port Security page. 2 Select an interface type and number. 3 Define the fields. 4 Click Apply Changes. The locked port is added to the Port Security Table, and the device is updated. 254 Configuring Device Information