TP-Link T1500-28PCT T1500-28PCTTL-SL2428PUN V3 CLI Reference Guide Guide - Page 200
spanning-tree guard loop
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Command Mode Interface Configuration Mode (interface fastEthernet / interface range fastEthernet /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 BPDU protect function for port 1/0/2: Switch(config)# interface gigabitEthernet 1/0/2 Switch(config-if)# spanning-tree bpduguard 20.19 spanning-tree guard loop Description The spanning-tree guard loop command is used to enable the Loop Protect function for a port. Loop Protect is to prevent the loops in the network brought by recalculating STP because of link failures and network congestions. To disable the Loop Protect function, please use no spanning-tree guard loop command. 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 / 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 Loop Protect function for port 2: Switch(config)# interface gigabitEthernet 1/0/2 Switch(config-if)# spanning-tree guard loop 181
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