TP-Link T1500G-10PS T1500G-10PSUN V1 User Guide - Page 93
STP Security
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Path Cost: Port Role: Port Status: LAG: Path Cost is used to choose the path and calculate the path costs of ports in an MST region. It is an important criterion on determining the root port. The lower value has the higher priority. Displays the role of the port played in the MSTP Instance. Displays the working status of the port. Displays the LAG number which the port belongs to. Note: The port status of one port in different spanning tree instances can be different. Global configuration Procedure for Spanning Tree function: Step Operation Description 1 Make clear roles the switches Preparation. play in spanning tree instances: root bridge or designated bridge 2 Globally configure MSTP Required. Enable Spanning Tree function on the switch parameters and configure MSTP parameters on Spanning Tree→STP Config→STP Config page. 3 Configure MSTP parameters Required. Configure MSTP parameters for ports on for ports Spanning Tree→Port Config→Port Config page. 4 Configure the MST region Required. Create MST region and configure the role the switch plays in the MST region on Spanning Tree→MSTP Instance→Region Config and Instance Config page. 5 Configure MSTP parameters Optional. Configure different instances in the MST for instance ports region and configure MSTP parameters for instance ports on Spanning Tree→MSTP Instance→Instance Port Config page. 7.4 STP Security Configuring protection function for devices can prevent devices from any malicious attack against STP features. The STP Security function can be implemented on Port Protect page. Port Protect function is to prevent the devices from any malicious attack against STP features. 7.4.1 Port Protect On this page you can configure loop protect feature, root protect feature, TC protect feature, BPDU protect feature and BPDU filter feature for ports. You are suggested to enable corresponding protection feature for the qualified ports. 83