Lantronix
SM24TBT2DPA and SM24TBT2DPB Web User Guide
2-7 Loop Protection
Loop Protection is used to detect the presence of traffic. When switch receives packets (looping detection
frame) with the same MAC address as itself from a port, Loop Protection occurs. The port will be locked
when it receives the Loop Protection frames.
To configure Loop Protection parameters in the web UI:
1. Click Configuration, Loop Protection.
2. Enable or disable the port loop Protection.
3. Click the Apply button to save the setting.
4. To cancel the settings, click the Reset button to revert to previously saved values.
Figure 2-7: Loop Protection Configuration.
Parameter descriptions:
Global Configuration
Enable Loop Protection:
Controls whether loop protections is enabled (as a whole).
Transmission Time:
The interval between each loop protection PDU sent on each port. Valid values are 1
to 10 seconds.
Shutdown Time:
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).