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DGS-1510 Series Gigabit Ethernet SmartPro Switch CLI Reference Guide
Switch# configure terminal
Switch(config)# interface eth3/0/1
Switch(config-if)# poe pd priority critical
Switch(config-if)#
53-4
poe policy preempt
This command is used to enable disconnection of PD which is power-provisioned with lower priority in
order to release the power to the new connected PD with higher priority under power shortage
conditions. Use the no form of this command to revert to the default setting.
poe unit UNIT-ID policy preempt
no poe unit UNIT-ID policy preempt
Parameters
UNIT-ID
Default
By default, this option is disabled.
Command Mode
Global Configuration Mode.
Command Default Level
Level: 12.
Usage Guideline
Since the power budget is limited, as more PDs are added to the system, the power source may not
be sufficient to supply the power. The PoE system enters the power critical section when the
remaining power budget is not enough to serve the new added PD.
The poe policy preempt command configures whether to disconnect the PD which is powered with
lower priority in order to release the power to the new connected PD with higher priority under power
shortage condition. If the policy preempt setting is disabled, then the policy is first in first serviced.
Thus, the new PD will not be serviced if the power budget is running out.
If the policy preempt setting is enabled, then the power provisioned to PD with lower priority can be
preempted to release the power to the new connected PD with higher priority.
Example
This example shows how to configure the PoE system power service policy preemptive mode.
Switch# configure terminal
Switch(config)# poe policy preempt
Switch(config)#
53-5
poe power-inline
This command is used to configure the power management mode for the PoE ports. Use the no form
of this command to remove the time range profile association or restore the mode to the default
settings.
poe power-inline {auto [max MAX-WATTAGE] [time-range PROFILE-NAME] | never}
Specifies the stacking unit's ID to be configured. This parameter is
only available, if stacking is enabled.
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