TP-Link T1700G-28TQ T1700G-28TQ V1 CLI Reference Guide - Page 201
spanning-tree guard root, spanning-tree guard tc
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Command Mode Interface Configuration Mode (interface gigabitEthernet / interface range gigabitEthernet / interface ten-gigabitEthernet / interface range ten-gigabitEthernet) Example Enable the Loop Protect function for port 2: T1700G-28TQ(config)# interface gigabitEthernet 1/0/2 T1700G-28TQ(config-if)# spanning-tree guard loop 26.20 spanning-tree guard root Description The spanning-tree guard root command is used to enable the Root Protect function for a port. With the Root Protect function enabled, the root bridge will set itself automatically as ERROR-PORT when receiving BPDU packets with higher priority, in order to maintain the role of root ridge. To disable the Root Protect function, please use no spanning-tree guard root command. Syntax spanning-tree guard root no spanning-tree guard root Command Mode Interface Configuration Mode (interface gigabitEthernet / interface range gigabitEthernet / interface ten-gigabitEthernet / interface range ten-gigabitEthernet) Example Enable the Root Protect function for port 2: T1700G-28TQ(config)# interface gigabitEthernet 1/0/2 T1700G-28TQ(config-if)# spanning-tree guard root 26.21 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 187