User guide

254 Configuring Device Information
• 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.