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Troubleshooting flowchart
Figure 10 Troubleshooting PoE power supply anomaly
Solution
To resolve the issue:
1.
Verify that the PoE power is correctly used.
For a PoE switch, use the PoE power according to the PoE power supply scheme. For
information about the power supply compatibility, see the installation guide for your device.
2.
Execute the following commands to display power supply information:
a.
Execute the
display poe device
command in any view to display PSE information, and
check the
faulty
field to identify PSE issues.
<Sysname> display poe device
PSE ID SlotNo SubSNo PortNum MaxPower(W) State Model
4 1 0 24 370 faulty LSW124POED-M
The output shows that the PSE has issues.
b.
Execute the
poe update
command to upgrade the PSE processing software in service.
<Sysname> system-view
[Sysname] poe update full ver_3_9_0_release.bin pse 4
This command will fully update firmware on the specific PSE(s), Continue? [Y/N]:y
System is downloading firmware into the hardware. Please wait
