TP-Link T1600G-52PS - Chapter 23 Loopback Detection Commands; Loopback-Detection(Global); Loopback-Detection Interval

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Chapter 23 Loopback Detection Commands
With loopback detection feature enabled, the switch can detect loops using loopback
detection packets. When a loop is detected, the switch will display an alert or further block the
corresponding port according to the configuration.
23.1 loopback-detection(global)
Description
The loopback-detection command is used to enable the loopback detection
function globally. To disable it, please use no loopback detection command.
Syntax
loopback-detection
no loopback-detection
Command Mode
Global Configuration Mode
Privilege Requirement
Only Admin, Operator and Power User level users have access to these
commands.
Example
Enable the loopback detection function globally:
T1600G-52TS(config)# loopback-detection
23.2 loopback-detection interval
Description
The loopback-detection interval command is used to define the interval of
sending loopback detection packets from switch ports to network, aiming at
detecting network loops periodically.
Syntax
loopback-detection interval interval-time
Parameter
interval-time —— The interval of sending loopback detection packets. It
ranges from 1 to 1000 seconds. By default, this value is 30.