TP-Link T1600G-18TSTL-SG2216 T1600G-18TSUN V1 Configuration Guide - Page 265

Configuring Spanning Tree STP Security Configurations Interface BPDU-Filter BPDU-Guard Loop-Protect Root-Protect TC-Protect Gi1/0/3 Enable Enable Enable Enable Disable Switch(config-if)#end Switch#copy running-config startup-config 4.2.1 Configuring the TC Protect Follow these steps to configure TC protect feature for ports: Step 1 Step 2 Step 3 configure Enter global configuration mode. spanning-tree tc-defend threshold threshold period period (Except T1600G-18TS) Configure the threshold and cycle of TC protect globally. threshold: Specify the TC threshold, the valid values ranges from 1 to 100 packets. By default, it is 20. TC threshold is the maximum number of the TC-BPDUs received by the switch in a TC protect cycle. pri: Specify the TC protect cycle, the valid values ranges from 1 to 10 in seconds. By default, it is 5. interface { fastEthernet port | gigabitEthernet port | range gigabitEthernet port-list] [portchannel port-channel | range port-channel port-channel-list} Enter interface configuration mode. Step 4 Step 5 Step 6 spanning-tree guard tc Enable the TC Protect function on the port. TC Protect is to prevent the decrease of the performance and stability of the switch brought by continuously removing MAC address entries upon receiving TC-BPDUs in the network. show spanning-tree interface-security [ fastEthernet port | gigabitEthernet port | portchannel lagid ] [ bpdufilter | bpduguard | loop | root | tc | tc-defend ] (Optional) View the protect information of ports. port: Specify the port number. lagid: Specify the ID of the LAG. end Return to privileged EXEC mode. Step 7 copy running-config startup-config Save the settings in the configuration file. This example shows how to enable the TC Protect function on port 1/0/3 with the TC threshold is 25 and the TC Protect Cycle is 8 (demonstrated with T1600G-52TS): Switch#configure Configuration Guide 242