Troubleshooting Poe - H3C S7500E Series Operation Manual

Operation Manual – PoE
H3C S7500E Series Ethernet Switches
[Sysname] interface gigabitethernet 3/0/2
[Sysname-GigabitEthernet3/0/2] poe enable
[Sysname-GigabitEthernet3/0/2] quit
[Sysname] interface gigabitethernet 5/0/1
[Sysname-GigabitEthernet5/0/1] poe enable
[Sysname-GigabitEthernet5/0/1] quit
[Sysname] interface gigabitethernet 5/0/2
[Sysname-GigabitEthernet5/0/2] poe enable
[Sysname-GigabitEthernet5/0/2] quit
# Set the power priority level of GigabitEthernet 3/0/2 to critical.
<Sysname> system-view
[Sysname] interface gigabitethernet 3/0/2
[Sysname-GigabitEthernet3/0/2] poe priority critical
[Sysname-GigabitEthernet3/0/2] quit
# Set the maximum power of GigabitEthernet 5/0/1 to 9,000 milliwatts.
[Sysname] interface gigabitethernet 5/0/1
[Sysname-GigabitEthernet5/0/1] poe max-power 9000
[Sysname-GigabitEthernet5/0/1] quit
After the configuration takes effect, the IP phone and AR device are powered and can
work normally.

1.12 Troubleshooting PoE

Symptom 1: Setting of the priority of a PoE interface to critical fails.
Analysis:
The guaranteed remaining power of the PSE is lower than the maximum power of
the PoE interface.
The priority of the PoE interface is already set.
Solution:
In the first case, you can solve the problem by increasing the maximum PSE
power, or by reducing the maximum power of the PoE interface when the
guaranteed remaining power of the PSE cannot be modified.
In the second case, you should first remove the priority already configured.
Symptom 2: Applying a PoE configuration file to a PoE interface fails.
Analysis:
Some configurations in the PoE configuration file are already configured.
Some configurations in the PoE configuration file do not meet the configuration
requirements of the PoE interface.
Another PoE configuration file is already applied to the PoE interface.
1-13
Chapter 1 PoE Configuration