3 port loopback detection function example, Oopback, Etection – PLANET WGSW-52040 User Manual
Page 95: Unction, Xample

Command Explanation
Admin Mode
debug loopback-detection
no debug loopback-detection
Enable the debug information of the
function module of port loopback detection.
The no operation of this command will
disable the debug information.
show loopback-detection [interface
<interface-list>
]
Display the state and result of the loopback
detection of all ports, if no parameter is
provided; otherwise, display the state and
result of the corresponding ports.
5. Configure the loopback-detection control mode (automatic recovery enabled or not)
Command Explanation
Global Mode
loopback-detection control-recovery
timeout <0-3600>
Configure the loopback-detection control
mode (automatic recovery enabled or not)
or recovery time.
9.3 Port Loopback Detection Function Example
Network Topology
SWITCH
Figure 9-1: Typical example of port loopback detection
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