Tp-link TL-SG3109 Bedienungsanleitung PDF herunterladen (Seite 44)

Figure 49: Port Security Page

The Port Security Page contains the following elds:

Interface — Displays the Port or LAG name.

Interface Status — Indicates the host status. The

possible eld values are:

– Unauthorized — Indicates that the port control

is Force Unauthorized, the port link is down or

the port control is Auto, but a client has not been

authenticated via the port.

– 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.

Learning Mode — Denes the locked port type. The Learning Mode eld is enabled only if Locked is selected in the Set

Port eld.The possible eld values are:

– Classic Lock — Locks the port using the classic lock mechanism. The port is immediately locked, regardless of the

number of addresses that have already been learned.

– Limited Dynamic Lock — Locks the port by deleting the current dynamic MAC addresses associated with the port.

The port learns up to the maximum addresses allowed on the port. Both relearning and aging MAC addresses are

enabled.

Max Entries — Species the number of MAC address that can be learned on the port. The Max Entries eld is enabled

only if Locked is selected in the Set Port eld. In addition, the Limited Dynamic Lock mode is selected. The default is 1.

Action — Indicates the action to be applied to packets arriving on a locked port. The possible eld 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 eld 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 To modify

port security:

1. Click . The Port Security Settings Page opens:

Figure 50: Port Security Settings Page

2. Modify port security settings elds.

3. Click . The port security settings are saved,

and the device is updated.

5.2.3.2 Enabling Storm Control

Storm control limits the amount of Multicast and Broadcast

frames accepted and forwarded by the device. When

Layer 2 frames are forwarded, Broadcast, and Multicast

frames are ooded to all ports on the relevant VLAN. This

occupies bandwidth, and loads all nodes on all ports.

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