Tip
Problem
Solution
your switch on the Hewlett Packard Enterprise
website at
http://www.hpe.com/support/
manuals
.
Ensure also, that the device at the other end of
the connection is indicating a good link to the
switch. If it is not, the problem may be with the
cabling between the devices or the connectors
on the cable.
LED patterns for PoE troubleshooting
If the PoE Status LED is flashing, that indicates a problem with the delivery of PoE power out one or more switch
ports. Press the LED Mode button to put the switch into PoE mode and the port LEDs will show which ports are
experiencing the problem. The following tables identify the specific problems that are shown by the LEDs.
1.
Check in the table for the LED pattern you see on your switch.
2.
Refer to the corresponding diagnostic tip.
Table 13: LED error indicators for PoE
Global status LED
Port LED (PoE mode)
Diagnostic tip
Solid green
Fast flash orange
1
Slow flash orange
Slow flash orange
2
Table 14: Diagnostic tips
Tip
Problem
Solution
1
PoE oversubscription condition. All
available PoE power is already taken by
higher-priority ports.
The port may be detecting an external PD
fault.
If possible, redefine port priorities.
Also, check the external PD for a fault.
2
PoE hardware fault. A switch hardware
component that is involved with PoE power
delivery has failed.
Check the port for a hardware failure, this
may require a reboot of the switch. If a
hardware failure is confirmed, replace the
switch.
Proactive networking
The 2930F switches have built-in management capabilities that proactively help you manage your network, they
include:
Chapter 4 Troubleshooting
55
