D-Link xStack DES-3228PA Web/Installation Manual page 139

Layer 2 stackable 10/100mbps ethernet switch with poe
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Not in Auto Mode — Indicates that the port control is Forced Authorized, and clients have full port
access.
Single-host Lock — Indicates that the port control is Auto and a single client has been authenticated via
the port.
Locked — Indicates the port is locked.
Unlocked — Indicates the port is currently unlocked.
Action — Indicates the action to be applied to packets arriving on a locked port. The possible field values
are:
Forward — Forwards packets from an unknown source without learning the MAC address.
Discard — Discards packets from any unlearned source. This is the default value.
Shutdown — Discards packets from any unlearned source and shuts down the port. The port remains
shut down until reactivated, or until the device is reset.
Trap — Enables traps when a packet is received on a locked port. The possible field values are:
Checked — Enables traps.
Unchecked — Disables traps.
Trap Frequency (Sec) — The amount of time (in seconds) between traps. The default value is 10 seconds.
2.
Click
. The Port Security Settings Page opens:
Figure 81: Port Security Settings Page
3.
Modify the Interface, Lock Interface, Action on Violation, Enable Trap, and Trap Frequency fields.
4.
Click
. The port security settings are defined, and the device is updated.
Page 136
Configuring Device Security
Configuring Network Security

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