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Chapter 3: Configuration
3.19 Loop Protection
Loop protection detects the presence of traffic. When a switch becomes aware that a packet’s (looping protection frame) MAC
address is the same as that of its own port, loop protection activates. The port will be locked when it receives the looping
protection frames. To resume the locked port, locate and remove the looping path, select the locked port, and click on “Resume.“
3.19.1 Configuration
To set loop protection:
Web Interface
To configure the loop protection parameters in the Web interface:
1. Click “Configuration, loop protection, Configuration.”
2. Click to select enable or disable the port loop protection.
5. Click “Save” to save the setting.
6. Click the Reset button to cancel and revert to previously saved values.
Figure 3-90. The Loop Protection Configuration screen.
Parameter Description
• Enable Loop Protection: Controls whether loop protection 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 if 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).
• Port No: The switch port number of the port.
• Enable: Controls whether loop protection is enabled on this switch port.
LPB2810A
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