1-5
To do… Use the command… Remarks
Enter system view system-view —
Configure a PD disconnection
detection mode
poe disconnect { ac | dc }
Optional
The default PD disconnection
detection mode is ac.
If you change the PD disconnection detection mode when the device is running, the connected PDs
will be powered off. Therefore, be cautious to do so.
Configuring the PoE Power
Configuring the Maximum PoE Interface Power
The maximum PoE interface power is the maximum power that the PoE interface can provide to the
connected PD. If the power required by the PD is larger than the maximum PoE interface power, the
PoE interface will not supply power to the PD.
Follow these steps to configure the maximum PSE power (distributed IRF device):
To do… Use the command… Remarks
Enter system view system-view —
Enter PoE interface view
interface interface-type
interface-number
—
Configure the maximum power
for the PoE interface
poe max-power max-power
Optional
30000 milliwatts by default.
Configuring PoE Power Management
PoE power management involves PSE power management and PoE interface power management.
Configuring PoE Interface Power Management
The power supply priority of a PD depends on the priority of the PoE interface. The priority levels of
PoE interfaces include critical, high and low in descending order. Power supply to a PD is subject to
PoE interface power management policies.
All PSEs implement the same PoE interface power management policies. When a PSE supplies power
to a PD,If the PoE interface power management priority policy is enabled, the PD with a lower priority
is first powered off to guarantee the power supply to the PD with a higher priority when the PSE power
is overloaded. If two PoE interfaces have the same priority level, the PoE interface with a smaller ID
has the higher priority level.
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