Chapter 32 Loopback Detection Commands; Loopback-Detection(Global); Loopback-Detection Interval - TP-Link T2600G-28TS Reference Manual

Chapter 32 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.

loopback-detection(global)

32.1
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:
T2600G-28TS(config)# loopback-detection

loopback-detection interval

32.2
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.
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