TP-Link 10GE T1700G-28TQUN V1 CLI Reference Guide - Page 229

26.18 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 gigabitEthernet / interface range gigabitEthernet / interface ten-gigabitEthernet / interface range ten-gigabitEthernet) 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: T1700G-28TQ(config)# interface gigabitEthernet 1/0/2 T1700G-28TQ(config-if)# spanning-tree bpduguard 26.19 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 213