User Manual

Configure Switching Information
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M4200 and M4300 Series ProSAFE Managed Switches Web Management User Manual
Note: You can select multiple ports. You can select all ports by selecting the
check box in the table header.
8. From the Keep Alive menu, select Enable to specify that loop protection must be enabled
on the port.
By default, loop protection is disabled for a port.
9. From the RX Action menu, select the action that the switch takes when a loop is detected
on the port:
• Log. Log the message when a loop is detected on the port.
• Disable. Disable the port when a loop is detected. This is the default setting.
• Both. Log and disable the port when a loop is detected.
10. Click the Apply button.
The updated configuration is sent to the switch. Configuration changes take effect
immediately.
11. To refresh the page with the latest information on the switch, click the Update button.
The following table describes the nonconfigurable information that is displayed on the page.
Table 102. Loop protection interface configuration information
Field Description
Loop Detected Indicates (Yes or No) whether a loop is detected on the port.
Loop Count The number of packets that were received on the port after the loop was detected.
Time Since Last Loop The time since the loop was detected.
Port Status The status of the port (Enabled or Disabled).
Auto Recovery Time Left The time that is left before the port is reenabled through the autorecovery process.
The time is in the range from 30 to 604800 seconds.
Errdisable Reason The reason that the port was disabled. In addition to being disabled because of loop
protection, the port can be disabled because of Unidirectional Link Detection
(UDLD), a broadcast storm, a unicast storm, and so on.