TP-Link T1500-28PCT TL-SL2428P T1500-28PCT V1 CLI Reference Guide - Page 154
spanning-tree bpduguard, spanning-tree guard loop
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Command Mode Interface Configuration Mode (interface fastEthernet / interface range fastEthernet / interface gigabitEthernet / interface range gigabitEthernet) Example Enable the BPDU filter function for port 2: T1500-28PCT(config)# interface fastEthernet 1/0/2 T1500-28PCT(config-if)# spanning-tree bpdufilter spanning-tree bpduguard Description The spanning-tree bpduguard command is used to enable the BPDU protect function for a port. With the BPDU protect function enabled, the port will set itself automatically as ERROR-PORT when it receives BPDU packets, and the port will disable the forwarding function for a while. To disable the BPDU protect function, please use no spanning-tree bpduguard command. Syntax spanning-tree bpduguard no spanning-tree bpduguard Command Mode Interface Configuration Mode (interface fastEthernet / interface range fastEthernet / interface gigabitEthernet / interface range gigabitEthernet) Example Enable the BPDU protect function for port 2: T1500-28PCT(config)# interface fastEthernet 2 T1500-28PCT(config-if)# spanning-tree bpduguard 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. 143