TP-Link JetStream T2700G-28TQ User Manual page 129

Choose the menu Spanning Tree→STP Security→Port Protect to load the following page.
The following entries are displayed on this screen:
Port Protect

UNIT:
Select:
Port:
Loop Protect:
Root Protect:
TC Protect:
BPDU Protect:
BPDU Filter:
LAG:
Figure 8-10 Port Protect
Select the unit ID of the desired member in the stack.
Select the desired port for port protect configuration. It is
multi-optional.
Displays the port number of the switch.
Loop Protect is to prevent the loops in the network brought by
recalculating STP because of link failures and network congestions.
Root Protect is to prevent wrong network topology change caused by
the role change of the current legal root bridge.
TC Protect is to 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 is to prevent the edge port from being attacked by
maliciously created BPDUs
BPDU Filter is to prevent BPDUs flood in the STP network.
Displays the LAG number which the port belongs to.
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