Tp-Link T2600G-28MPS (TL-SG3424P) [129/379] Tc protect



Port Protect

UNIT:1/LAGS: Click 1 to configure the physical ports. Click LAGS to configure the

link aggregation groups.

Select:

Select the desired port for port protect configuration. It is

multi-optional.

Port:

Displays the port number of the switch.

Loop Protect: Loop Protect is to prevent the loops in the network brought by

recalculating STP because of link failures and network

congestions.

Root Protect: Root Protect is to prevent wrong network topology change caused

by the role change of the current legal root bridge.

TC Protect: TC Protect is t

o prevent the decrease of the performance and

stability of the switch brought by continuously removing MAC

address entries upon receiving TC-BPDUs in the STP network.

BPDU Protect:

BPDU Protect is to prevent the edge port from being attacked by

maliciously created BPDUs

BPDU Filter:

BPDU Filter is to prevent BPDUs flood in the STP network.

LAG:

Displays the LAG number which the port belongs to.

7.4.2 TC Protect

When TC Protect is enabled for the port on Port Protect page, the TC threshold and TC protect

cycle need to be configured on this page.

Choose the menu Spanning Tree→STP Security→TC Protect to load the following page.

Figure 7-11 TC Protect

The following entries are displayed on this screen:



TC Protect

TC Threshold:

Enter a number from 1 to 100. It is the maximum number of the

TC-

BPDUs received by the switch in a TC Protect Cycle. The

default value is 20.

TC Protect Cycle:

Enter a value from 1 to 10 to specify the TC Protect Cycle. The

default value is 5.

117