TP-Link TL-SL2210, Reference Manual

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Syntax
spanning-tree guard loop
no spanning-tree guard loop
Command Mode
Interface Configuration Mode (interface fastEthernet / interface range
fastEthernet / interface gigabitEthernet / interface range gigabitEthernet)
Example
Enable the Loop Protect function for port 2:
TL-SL2428(config)# interface fastEthernet 1/0/2
TL-SL2428(config-if)# spanning-tree guard loop
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 fastEthernet / interface range
fastEthernet / interface gigabitEthernet / interface range gigabitEthernet)
Example
Enable the Root Protect function for port 2:
TL-SL2428(config)# interface fastEthernet 1/0/2
TL-SL2428(config-if)# spanning-tree guard root
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