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Choose the menu Spanning Tree→STP Security→Port Protect to load the following page.
Figure 7-10 Port Protect
The following entries are displayed on this screen:
Port Prote ct
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 loop
s 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.
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