Test a Cable Connection
You can use the cable diagnostic feature to easily find out the health status of network cables. If any problems
exist, this feature helps to quickly locate the point where the cabling fails, allowing connectivity issues to be
fixed much faster, potentially saving technicians hours of troubleshooting.
If an error is detected, the distance at which the fault is detected is stated in feet. (This is the distance from
the port.)
To test one or more cable connections:
1. Open a web browser from a computer that is connected to the same network as the switch or to the
switch directly through an Ethernet cable.
2. Enter the IP address that is assigned to the switch.
The login page displays.
3. Enter the switch password.
The default password is password. The password is case-sensitive.
The HOME page displays.
4. From the menu at the top of the page, select DIAGNOSTICS.
The CABLE TEST page displays.
5. Select one or more ports to test by clicking the port icons.
The icons for selected ports display purple.
6. Click the NEXT button.
The switch sends a signal to the cables for the selected ports, causing the ports to be temporarily out
of service and traffic on the ports to be temporarily affected.
When the test is complete, the results are displayed. If a fault was detected, the distance (from the
switch port) to that fault is displayed in feet.
7. Click the DONE button.
The section with the test results closes.
Manage Loop Prevention
By default, loop prevention is enabled. If the switch detects a loop, the switch blocks one of the ports that
are part of the loop and the port LED for that port blinks at a constant speed. If two ports are part of a loop,
the port with the highest port number is blocked. For example, if port 1 and port 2 are part of a loop, port 2
is blocked while port 1 continues to process traffic.The loop status (that is, port blocking and LED blinking)
is cleared if the switch does not detect the loop for a period of four seconds.
To manage loop prevention:
1. Open a web browser from a computer that is connected to the same network as the switch or to the
switch directly through an Ethernet cable.
2. Enter the IP address that is assigned to the switch.
Diagnostics and Troubleshooting
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Nighthawk Pro Gaming SX10 Switch Model GS810EMX
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