Troubleshooting chart
The following table lists symptoms, possible causes, and possible solutions for problems
that might occur.
Table 5. Troubleshooting chart
Possible SolutionPossible CauseSymptom
•
Check the power cable connections at the
switch and the power source.
•
Make sure that all cables are used
correctly and comply with the Ethernet
specifications.
Power is not
supplied to the
switch.
The Power LED is off.
•
Check the crimp on the connectors and
make sure that the plug is properly
inserted and locked into the port at both
the switch and the connecting device.
•
Make sure that all cables are used
correctly and comply with the Ethernet
specifications.
•
Check for a defective port, cable, or
module by testing them in an alternate
environment where all products are
functioning.
The port connection
is not working.
Models GSS108E and GSS116E. The left
and right port LEDs for a port are off
although the port is connected to a
powered-on device.
Model GSS108EPP. The left port LED for a
port is off although the port is connected to
a powered-on device.
Break the loop by making sure that only one
path exists from any networked device to
any other networked device. After you
connect to the switch local browser interface,
you can configure the Spanning Tree
Protocol (STP) to prevent network loops.
One possible cause
is that a broadcast
storm occurred and
that a network loop
(redundant path) was
created.
A file transfer is slow or performance is
degraded.
•
Verify that the cabling is correct.
•
Make sure that all connectors are securely
positioned in the required ports. It is
possible that equipment was accidentally
disconnected.
One or more devices
are not properly
connected, or the
cabling does not
meet Ethernet
guidelines.
A segment or device is not recognized as
part of the network.
Break the loop by making sure that only one
path exists from any networked device to
any other networked device. After you
connect to the switch local browser interface,
you can configure the Spanning Tree
Protocol (STP) to prevent network loops.
A network loop
(redundant path) was
created.
Models GSS108E and GSS116E. The left
and right port LEDs for all connected ports
are blinking continuously and the network
is disabled.
Model GSS108EPP. The left port LEDs for
all connected ports are blinking continuously
and the network is disabled.
Hardware Installation Guide38Troubleshooting
8-Port and 16-Port Gigabit Ethernet (PoE+) Smart Managed Plus Click Switch
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