Lantech IES-3208C, User Manual

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6.6.6 Loop Protection
The loop Protection is used to detect the presence of traffic. When switch receives
packet’s (looping detection frame) MAC address the same as oneself from port, show
Loop Protection happens. The port will be locked when it received the looping
Protection frames.

Enable Loop Protection:
Control whether loop protections is enabled (as a whole). .

Interval:
The interval between each loop protection PDU sent on each port. valid values are 1 to 10
seconds.

Shutdown :
The period (in seconds) for which a port will be kept disabled in the event of a loop is detected
(and the port action shuts down the port). Valid values are 0 to 604800 seconds (7 days). A
value of zero will keep a port disabled (until next device restart).