TP-Link T2500G-10MPS T2500G-10MPSUN V1 CLI Reference Guide Guide - Page 285
spanning-tree guard tc, spanning-tree mcheck
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30.20 spanning-tree guard tc Description The spanning-tree guard tc command is used to enable the TC Protect of Spanning Tree function for a port. To disable the TC Protect of Spanning Tree function, please use no spanning-tree guard tc command. A switch removes MAC address entries upon receiving TC-BPDUs. If a malicious user continuously sends TC-BPDUs to a switch, the switch will be busy with removing MAC address entries, which may decrease the performance and stability of the network. With the Protect of Spanning Tree function enabled, you can configure the number of TC-BPDUs in a required time, so as to avoid the process of removing MAC addresses frequently. Syntax spanning-tree guard tc no spanning-tree guard tc Command Mode Interface Configuration Mode (interface gigabitEthernet / interface range gigabitEthernet / interface port-channel / interface range port-channel) Privilege Requirement Only Admin, Operator and Power User level users have access to these commands. Example Enable the TC Protect of Spanning Tree for port 2: T2500G-10MPS(config)# interface gigabitEthernet 1/0/2 T2500G-10MPS(config-if)# spanning-tree guard tc 30.21 spanning-tree mcheck Description The spanning-tree mcheck command is used to enable mcheck. Syntax spanning-tree mcheck Command Mode Interface Configuration Mode (interface gigabitEthernet / interface range gigabitEthernet / interface port-channel / interface range port-channel) 267
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