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ET42202M-S-PD
L2+ Managed 20-port 100Base-FX/1000Base-X SFP + 4-port 10/100/1000Base-T or
100/1000Base-FX SFP Combo Optical Ethernet Switch with AC + DC inputs
2-7 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 Proection frames. If you want to
resume the locked port, please find out the looping path and take off the looping path, then
select the resume the locked port and click on "Resume" to turn on the locked ports.
Web Interface
To configure the Loop Protection parameters in the web interface:
1. Click Configuration, Loop Protection.
2. Evoke to select enable or disable the port loop Protection
3. Click the save to save the setting
4. If you want to cancel the setting then you need to click the Reset button. It will revert to
previously saved values
Figure 2-7: The Loop Protection Configuration.
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Ver.1.0
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