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04-PoE commands

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PoE commands

Only the PoE models support the PoE feature.

apply poe-profile

Use apply poe-profile to apply a PoE profile to a power interface (PI).

Use undo apply poe-profile to restore the default.

Syntax

apply poe-profile { index index | name profile-name }

undo apply poe-profile { index index | name profile-name }

Default

No PoE profile is applied to PIs.

Views

PI view

Predefined user roles

network-admin

Parameters

index index: Specifies a PoE profile by its index number in the range of 1 to 100.

name profile-name: Specifies a PoE profile by its name, a case-sensitive string of 1 to 15 characters.

Examples

# Apply the PoE profile named forIPphone to GigabitEthernet 1/0/1.

<Sysname> system-view

[Sysname] interface gigabitethernet 1/0/1

[Sysname-GigabitEthernet1/0/1] apply poe-profile name forIPphone

Related commands

apply poe-profile interface

display poe-profile

apply poe-profile interface

Use apply poe-profile interface to apply a PoE profile to PIs.

Use undo apply poe-profile interface to remove the PoE profile application from PIs.

Syntax

apply poe-profile { index index | name profile-name } interface interface-range

undo apply poe-profile { index index | name profile-name } interface interface-range

Default

No PoE profile is applied to a PI.

Views

System view

Predefined user roles

network-admin

Parameters

index index: Specifies a PoE profile by its index number in the range of 1 to 100.

name profile-name: Specifies a PoE profile by its name, a case-sensitive string of 1 to 15 characters.

interface-range: Specifies a range of Ethernet interfaces in the form of interface-type interface-number [ to interface-type interface-number ], where interface-type interface-number represents the interface type and interface number. The start interface number must be smaller than the end interface number. If an interface in the specified range does not support PoE, it is ignored when the PoE profile is applied.

Examples

# Apply the PoE profile named forIPphone to GigabitEthernet 1/0/1.

<Sysname> system-view

[Sysname] apply poe-profile name forIPphone interface gigabitethernet 1/0/1

# Apply the PoE profile with index number 1 to PIs GigabitEthernet 1/0/2 to GigabitEthernet 1/0/6.

<Sysname> system-view

[Sysname] apply poe-profile index 1 interface gigabitethernet 1/0/2 to gigabitethernet 1/0/6

Related commands

apply poe-profile

display poe-profile interface

display poe device

Use display poe device to display general PSE information.

Syntax

display poe device [ slot slot-number ]

Views

Any view

Predefined user roles

network-admin

network-operator

Parameters

slot slot-number: Specifies an IRF member device by its member ID. If you do not specify a member device, the command displays general PSE information about all PSEs in the IRF fabric.

Examples

# Display general PSE information.

<Sysname> display poe device

Slot 1:

PSE ID Slot No. SSlot No. PortNum MaxPower(W) State Model

4 1 0 48 600.0 Off LSPPSE48A

Table 1 Command output

Field	Description
PSE ID	ID of the PSE.
Slot No.	Slot number of the PSE.
SSlot No.	Sub-slot number of the PSE.
PortNum	Number of PIs on the PSE.
MaxPower(W)	Maximum power of the PSE.
State	PSE status: · On—The PSE is supplying power. · Off—The PSE is not supplying power. · Faulty—The PSE has failed.
Model	PSE model.

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display poe interface

Use display poe interface to display power supplying information for PIs.

Syntax

display poe interface [ interface-type interface-number ]

Views

Any view

Predefined user roles

network-admin

network-operator

Parameters

interface-type interface-number: Specifies an interface by its type and number. If you do not specify an interface, this command displays power supplying information for all PIs.

Examples

# Display power supplying information for GigabitEthernet 1/0/1.

<Sysname> display poe interface gigabitethernet 1/0/1

PoE Status : Enabled

Power Priority : Critical

Oper : On

IEEE Class : 1

Detection Status : Delivering power

Power Mode : Signal

Current Power : 11592 mW

Average Power : 11610 mW

Peak Power : 11684 mW

Max Power : 15400 mW

Electric Current : 244 mA

Voltage : 51.7 V

PD Description : IP Phone For Room 101

Legacy PD Detection : Disabled

Table 2 Command output

Field	Description
PoE Status	PoE status: · Enabled. · Disabled.
Power Priority	Power supply priority: · Critical (highest). · High. · Low.
Oper	Operating status: · Off—PoE is disabled. · On—Power is being supplied to the PI correctly. · Power-lack—Remaining guaranteed power is insufficient for a critical PI. · Power-deny—The PSE refuses to supply power. The power required by the PD is higher than the configured power. · Power-itself—The PD is using another power supply. · Power-limit—The PSE is supplying power to the PD based on the configured power though the PD requires more power than the configured power.
IEEE Class	PD power class by which the PI supplies power to the PD. If the PI does not support supplying power to the PD, this field displays a hyphen (-).
Detection Status	Power detection status: · Disabled—The PoE function is disabled. · Searching—The PI is searching for the PD. · Delivering power—The PI is supplying power to the PD. · Fault—A fault occurred during the test. · Test—The PI is undergoing a test. · Other fault—A fault has caused the PSE to enter the idle status. · PD disconnected—The PD is disconnected.
Power Mode	Power transmission mode: · Signal—Power is transmitted over the signal pairs of a twisted pair cable. · Spare—Power is transmitted over the spare pairs of a twisted pair cable.
Current Power	Current power, including PD consumption power and transmission loss.
Average Power	Average power.
Peak Power	Peak power.
Max Power	Maximum power.
Electric Current	Current.
Voltage	Voltage.
PD Description	Type and location description for the PD connected to the PI.

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# Display power supplying information for all PIs.

<Sysname> display poe interface

Interface PoE Priority CurPower Oper IEEE Detection

(W) Class Status

GE1/0/1 Disabled Low 0.0 Off 0 Disabled

GE1/0/2 Enabled Low 0.0 Off 0 Searching

GE1/0/3 Disabled Low 0.0 Off 0 Disabled

GE1/0/4 Disabled Low 0.0 Off 0 Disabled

GE1/0/5 Disabled Low 0.0 Off 0 Disabled

GE1/0/6 Disabled Low 0.0 Off 0 Disabled

GE1/0/7 Disabled Low 0.0 Off 0 Disabled

GE1/0/8 Disabled Low 0.0 Off 0 Disabled

GE1/0/9 Disabled Low 0.0 Off 0 Disabled

GE1/0/10 Disabled Low 0.0 Off 0 Disabled

GE1/0/11 Disabled Low 0.0 Off 0 Disabled

GE1/0/12 Disabled Low 0.0 Off 0 Disabled

GE1/0/13 Disabled Low 0.0 Off 0 Disabled

GE1/0/14 Disabled Low 0.0 Off 0 Disabled

GE1/0/15 Disabled Low 0.0 Off 0 Disabled

GE1/0/16 Disabled Low 0.0 Off 0 Disabled

GE1/0/17 Disabled Low 0.0 Off 0 Disabled

GE1/0/18 Disabled Low 0.0 Off 0 Disabled

GE1/0/19 Disabled Low 0.0 Off 0 Disabled

GE1/0/20 Disabled Low 0.0 Off 0 Disabled

GE1/0/21 Disabled Low 0.0 Off 0 Disabled

GE1/0/22 Disabled Low 0.0 Off 0 Disabled

GE1/0/23 Disabled Low 0.0 Off 0 Disabled

GE1/0/24 Disabled Low 0.0 Off 0 Disabled

--- On State Ports: 0; Used: 0.0(W); Remaining: 370.0(W) ---

Table 3 Command output

Field	Description
Interface	Interface name.
PoE	PoE status: · Enabled. · Disabled.
Priority	Power priority: · Critical (highest). · High. · Low.
CurPower	Current power of a PI.
Oper	Operating status: · Off—PoE is disabled. · On—Power is being supplied to the PI correctly. · Power-lack—Remaining guaranteed power is insufficient for a critical PI. · Power-deny—The PSE refuses to supply power. The power required by the PD is higher than the configured power. · Power-itself—The PD is using another power supply. · Power-limit—The PSE is supplying power to the PD based on the configured power though the PD requires more power than the configured power.
IEEE Class	PD power class by which the PI supplies power to the PD. If the PI does not support supplying power to the PD, this field displays a hyphen (-).
Detection Status	Power detection status: · Disabled—PoE function is disabled. · Searching—The PI is searching for the PD. · Delivering Power—The PI is supplying power for the PD. · Fault—A fault occurred during the test. · Test—The PI is undergoing a test. · Other fault—A fault has caused the PSE to enter the idle status. · PD disconnected—The PD is disconnected.
On State Ports	Number of PIs that are supplying power.
Used	Power consumed by the current PI.
Remaining	(Devices that support dynamic power allocation.) Total remaining power of all PSEs configured with a maximum power. This field displays 0 if no PSE is configured with a maximum power (all PSEs participate in dynamic power allocation). (Devices that do not support dynamic power allocation.) Total remaining power of all PSEs.

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display poe interface power

Use display poe interface power to display power information for PIs.

Syntax

display poe interface power [ interface-type interface-number ]

Views

Any view

Predefined user roles

network-admin

network-operator

Parameters

interface-type interface-number: Specifies an interface by its type and number. If you do not specify an interface, this command displays power information for all PIs.

Examples

# Display power information for GigabitEthernet 1/0/1.

<Sysname> display poe interface power gigabitethernet 1/0/1

Interface Current Peak Max PD Description

(W) (W) (W)

GE1/0/1 15.0 15.3 30.0 Access Point on Room 509 for Peter

# Display power information for all PIs.

<Sysname> display poe interface power

Interface Current Peak Max PD Description

(W) (W) (W)

GE1/0/1 0.0 0.0 30.0

GE1/0/2 0.0 0.0 30.0

GE1/0/3 0.0 0.0 30.0

GE1/0/4 0.0 0.0 30.0

GE1/0/5 0.0 0.0 30.0

GE1/0/6 0.0 0.0 30.0

GE1/0/7 0.0 0.0 30.0

GE1/0/8 0.0 0.0 30.0

GE1/0/9 0.0 0.0 30.0

GE1/0/10 0.0 0.0 30.0

GE1/0/11 0.0 0.0 30.0

GE1/0/12 0.0 0.0 30.0

GE1/0/13 0.0 0.0 30.0

GE1/0/14 0.0 0.0 30.0

GE1/0/15 0.0 0.0 30.0

GE1/0/16 0.0 0.0 30.0

GE1/0/17 0.0 0.0 30.0

GE1/0/18 0.0 0.0 30.0

GE1/0/19 0.0 0.0 30.0

GE1/0/20 0.0 0.0 30.0

GE1/0/21 0.0 0.0 30.0

GE1/0/22 0.0 0.0 30.0

GE1/0/23 0.0 0.0 30.0

GE1/0/24 0.0 0.0 30.0

--- On State Ports: 0; Used: 0.0(W); Remaining: 370.0(W) ---

Table 4 Command output

Field	Description
Interface	Interface name.
CurPower	Current power.
PeakPower	Peak power.
MaxPower	Maximum power.
PD Description	Type and location description for the PD connected to a PI.
Ports On	Number of PIs that are supplying power.
Used	Power consumed by all PIs.
Remaining	(Devices that support dynamic power allocation.) Total remaining power of all PSEs configured with a maximum power. This field displays 0 if no PSE is configured with a maximum power (all PSEs participate in dynamic power allocation). (Devices that do not support dynamic power allocation.) Total remaining power of all PSEs.

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display poe pse

Use display poe pse to display detailed PSE information.

Syntax

display poe pse [ pse-id ]

Views

Any view

Predefined user roles

network-admin

network-operator

Parameters

pse-id: Specifies a PSE by its ID. If you do not specify a PSE, this command displays detailed information about all PSEs.

Examples

# Display detailed PSE information.

<Sysname> display poe pse

PSE ID : 4

Slot No. : 1

SSlot No. : 0

PSE Model : LSPPSE48A

PSE Status : Enabled

Power Priority : Low

Current Power : 0.0 W

Average Power : 0.0 W

Peak Power : 0.0 W

Max Power : 600.0 W

Remaining Guaranteed Power : 600.0 W

PSE CPLD Version : -

PSE Software Version : 172

PSE Hardware Version : 0

Legacy PD Detection : Disabled

Power Utilization Threshold : 80

PD Power Policy : Priority

PD Disconnect-Detection Mode : DC

Table 5 Command output

Field	Description
PSE ID	ID of the PSE.
SSlot No.	Sublsot number of the PSE.
PSE Status	PoE status of the PSE: · Enabled. · Disabled.
PSE Fast Power Supply	PSE fast power supply enabling status: · Enabled. · Disabled.
Power Priority	Power priority of the PSE.
Current Power	Current power of the PSE.
Average Power	Average power of the PSE.
Peak Power	Peak power of the PSE.
Max Power	Maximum power of the PSE.
Remaining Guaranteed Power	Remaining guaranteed power of the PSE = Maximum guaranteed power of the PSE – Total maximum power of all critical PIs of the PSE.
PSE CPLD Version	PSE CPLD version number.
PSE Software Version	PSE software version number.
PSE Hardware Version	PSE hardware version number.
Legacy PD Detection	Nonstandard PD detection status: · Enabled. · Disabled.
Power Utilization Threshold	PSE power alarm threshold.
PD Power Policy	PD power management policy mode.
PD Disconnect-Detection Mode	PD disconnection detection mode.
PD High Inrush	Whether PD high inrush is enabled. · Enabled. · Disabled.

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display poe pse interface

Use display poe pse interface to display the PoE status of all PIs on a PSE.

Syntax

display poe pse pse-id interface

Views

Any view

Predefined user roles

network-admin

network-operator

Parameters

pse pse-id: Specifies a PSE ID. To display PSE ID and slot mappings, use the display poe device command.

Examples

# Display the status of all PIs on PSE 4.

<Sysname> display poe pse 4 interface

Interface PoE Priority CurPower Oper IEEE Detection

(W) Class Status

GE1/0/1 Disabled Low 0.0 Off 0 Disabled

GE1/0/2 Enabled Low 0.0 Off 0 Searching

GE1/0/3 Disabled Low 0.0 Off 0 Disabled

GE1/0/4 Disabled Low 0.0 Off 0 Disabled

GE1/0/5 Disabled Low 0.0 Off 0 Disabled

GE1/0/6 Disabled Low 0.0 Off 0 Disabled

GE1/0/7 Disabled Low 0.0 Off 0 Disabled

GE1/0/8 Disabled Low 0.0 Off 0 Disabled

GE1/0/9 Disabled Low 0.0 Off 0 Disabled

GE1/0/10 Disabled Low 0.0 Off 0 Disabled

GE1/0/11 Disabled Low 0.0 Off 0 Disabled

GE1/0/12 Disabled Low 0.0 Off 0 Disabled

GE1/0/13 Disabled Low 0.0 Off 0 Disabled

GE1/0/14 Disabled Low 0.0 Off 0 Disabled

GE1/0/15 Disabled Low 0.0 Off 0 Disabled

GE1/0/16 Disabled Low 0.0 Off 0 Disabled

GE1/0/17 Disabled Low 0.0 Off 0 Disabled

GE1/0/18 Disabled Low 0.0 Off 0 Disabled

GE1/0/19 Disabled Low 0.0 Off 0 Disabled

GE1/0/20 Disabled Low 0.0 Off 0 Disabled

GE1/0/21 Disabled Low 0.0 Off 0 Disabled

GE1/0/22 Disabled Low 0.0 Off 0 Disabled

GE1/0/23 Disabled Low 0.0 Off 0 Disabled

GE1/0/24 Disabled Low 0.0 Off 0 Disabled

--- On State Ports: 0; Used: 0.0(W); Remaining: 370.0(W) ---

Table 6 Command output

Field	Description
Interface	Interface name of a PI.
PoE	PoE status of a PI: · Enabled. · Disabled.
Priority	Priority of a PI: · Critical (highest). · High. · Low.
CurPower	Current power of a PI.
Oper	Operating status of a PI: · Off—PoE is disabled. · On—Power is being supplied to the PI correctly. · Power-lack—Remaining guaranteed power is insufficient for a critical PI. · Power-deny—The PSE refuses to supply power. The power required by the PD is higher than the configured power. · Power-itself—The PD is using another power supply. · Power-limit—The PSE is supplying power to the PD based on the configured power though the PD requires more power than the configured power.
IEEE Class	PD power class by which the PI supplies power to the PD. If the PI does not support supplying power to the PD, this field displays a hyphen (-).
Detection Status	Power detection status of a PI: · Disabled—PoE function is disabled. · Searching—The PI is searching for the PD. · Delivering Power—The PI is supplying power to the PD. · Fault—A fault occurred during the test. · Test—The PI is undergoing a test. · Other Fault—A fault has caused the PSE to enter the idle status. · PD Disconnected—The PD is disconnected.
On State Ports	Number of PIs that are supplying power.
Used	Power consumed by PIs on the PSE.
Remaining	Remaining power of the PSE. This field displays 0 for a PSE that participates in dynamic power allocation.

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display poe pse interface power

Use display poe pse interface power to display power information for PIs on a PSE.

Syntax

display poe pse pse-id interface power

Views

Any view

Predefined user roles

network-admin

network-operator

Parameters

pse pse-id: Specifies a PSE by its ID. To display PSE ID and slot mappings, use the display poe device command.

Examples

# Display power information for PIs on PSE 4.

<Sysname> display poe pse 4 interface power

Interface Current Peak Max PD Description

(W) (W) (W)

GE1/0/1 0.0 0.0 30.0

GE1/0/2 0.0 0.0 30.0

GE1/0/3 0.0 0.0 30.0

GE1/0/4 0.0 0.0 30.0

GE1/0/5 0.0 0.0 30.0

GE1/0/6 0.0 0.0 30.0

GE1/0/7 0.0 0.0 30.0

GE1/0/8 0.0 0.0 30.0

GE1/0/9 0.0 0.0 30.0

GE1/0/10 0.0 0.0 30.0

GE1/0/11 0.0 0.0 30.0

GE1/0/12 0.0 0.0 30.0

GE1/0/13 0.0 0.0 30.0

GE1/0/14 0.0 0.0 30.0

GE1/0/15 0.0 0.0 30.0

GE1/0/16 0.0 0.0 30.0

GE1/0/17 0.0 0.0 30.0

GE1/0/18 0.0 0.0 30.0

GE1/0/19 0.0 0.0 30.0

GE1/0/20 0.0 0.0 30.0

GE1/0/21 0.0 0.0 30.0

GE1/0/22 0.0 0.0 30.0

GE1/0/23 0.0 0.0 30.0

GE1/0/24 0.0 0.0 30.0

--- On State Ports: 0; Used: 0.0(W); Remaining: 370.0(W) ---

Table 7 Command output

Field	Description
Interface	Interface name of a PI.
Current	Current power of a PI.
Peak	Peak power of a PI.
Max	Maximum power of a PI.
PD Description	Type and location description for the PD connected with a PI.
Ports On	Number of PIs that are supplying power.
Used	Power consumed by all PIs.
Remaining	Remaining power of the PSE. This field displays 0 for a PSE that participates in dynamic power allocation.

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display poe-profile

Use display poe-profile to display information about the PoE profile.

Syntax

display poe-profile [ index index | name profile-name ]

Views

Any view

Predefined user roles

network-admin

network-operator

Parameters

index index: Specifies a PoE profile by its index number in the range of 1 to 100.

name profile-name: Specifies a PoE profile by its name, a case-sensitive string of 1 to 15 characters.

Usage guidelines

If you do not specify a profile, the command displays information about all PoE profiles.

Examples

# Display information about all PoE profiles.

<Sysname> display poe-profile

PoE Profile Index ApplyNum Interfaces Configuration

forIPphone 1 4 GE1/0/1 poe enable

GE1/0/2 poe priority critical

GE1/0/3

GE1/0/4

forAP 2 2 GE1/0/5 poe enable

GE1/0/6 poe max-power 14000

--- Total PoE profiles: 2, total ports: 6 ---

# Display information about the PoE profile with index number 1.

<Sysname> display poe-profile index 1

PoE Profile Index ApplyNum Interfaces Configuration

forIPphone 1 6 GE1/0/1 poe enable

GE1/0/2 poe priority critical

GE1/0/3

GE1/0/4

GE1/0/5

GE1/0/6

--- Total ports: 6 ---

Table 8 Command output

Field	Description
PoE Profile	Name of the PoE profile.
Index	Index number of the PoE profile.
ApplyNum	Number of PIs to which the PoE profile is applied.
Interfaces	Interface name of the PI to which the PoE configuration is applied.
Configuration	Configurations of the PoE profile.
Total PoE profiles	Number of PoE profiles.
Total ports	Number of PIs to which all PoE profiles are applied.

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display poe-profile interface

Use display poe-profile interface to display information about the PoE profile on a PI.

Syntax

display poe-profile interface interface-type interface-number

Views

Any view

Predefined user roles

network-admin

network-operator

Parameters

interface-type interface-number: Specifies an interface by its type and number.

Examples

# Display information about the PoE profile on GigabitEthernet 1/0/1.

<Sysname> display poe-profile interface gigabitethernet 1/0/1

PoEProfile Index ApplyNum Interface Effective configuration

forIPphone 1 6 GE1/0/1 poe enable

poe priority critical

The Effective configuration field displays the configurations that have taken effect. For the descriptions of other fields, see Table 8.

poe ai enable

Use poe ai enable to enable AI-driven PoE.

Use undo ai poe enable to disable AI-driven PoE.

Syntax

poe ai enable

undo poe ai enable

IMPORTANT:

This command is supported only in Release 6318P01 and later.

Default

AI-driven PoE is disabled.

Views

System view

Predefined user roles

network-admin

Usage guidelines

With AI-driven PoE enabled, the device automatically recovers a PI when it fails. If more than one PI fails simultaneously, the device recovers the PIs one by one in ascending order of PI number.

AI-driven PoE automatically adjusts the power supply parameters to fit the power needs. If you disable AI-driven PoE, the system reverts the parameters to the settings before the adjustment.

AI-driven PoE takes effect only on PSEs that run firmware V147 or later.

· Firmware earlier than V147—You must use the poe update command to upgrade the PSE firmware and then enable AI-driven PoE on the PSE.

· Firmware V147 or later—You do not need to re-enable AI-driven PoE after upgrading the firmware if you have enabled the feature before the upgrade.

Examples

# Enable AI-driven PoE.

<Sysname> system-view

[Sysname] poe ai enable

poe detection-mode

Use poe detection-mode to configure the PD detection mode.

Use undo poe detection-mode to restore the default.

Syntax

poe detection-mode { none | simple | strict }

undo poe detection-mode

Default

The PD detection mode is strict.

Views

PI view

Predefined user roles

network-admin

Parameters

none: Enables the device to supply power to PDs that are correctly connected to the device without causing short circuit.

simple: Enables the device to supply power to PDs that comply with basic requirements of 802.3af or 802.3at.

strict: Enables the device to supply power to PDs that comply with all requirements of 802.3af or 802.3at.

Usage guidelines

CAUTION:

A non-PD device might be damaged when power is supplied to it. To avoid device damage, do not specify the none keyword when the PI connects to a non-PD device.

This command is available only for a PSE that has a model name ending with a character of B, LSPPSE48B for example. To obtain the model name of a PSE, execute the display poe pse command.

To configure the detection mode for nonstandard PDs, first execute the poe legacy enable command to enable detection for nonstandard PDs.

Examples

# Configure the simple detection mode for GigabitEthernet 1/0/1.

<Sysname> system-view

[Sysname] interface gigabitethernet 1/0/1

[Sysname-GigabitEthernet1/0/1] poe detection-mode simple

Related commands

poe legacy enable

poe enable

Use poe enable to enable PoE on a PI.

Use undo poe enable to disable PoE on a PI.

Syntax

poe enable

undo poe enable

Default

S5560S-EI switch series:

· In Release 6328 or earlier, PoE is disabled on PIs by default.

· In Release 6328 or later, PoE is enabled on PIs when the switch starts up with factory defaults and is disabled on PIs when the switch starts up with the initial configuration.

WS5850-WiNet switch series: PoE is enabled on PIs when the switch starts up with factory defaults and is disabled on PIs when the switch starts up with the initial configuration.

For more information about the device initial configuration and factory defaults, see configuration file management in Fundamentals Configuration Guide.

Views

PI view

PoE profile view

Predefined user roles

network-admin

Usage guidelines

If a PoE profile has been applied to a PI, remove the application before configuring the PI in PoE profile view.

If a PI has been configured, remove the configuration before configuring the PI in PI view.

Examples

# Enable PoE on a PI in PI view.

<Sysname> system-view

[Sysname] interface gigabitethernet 1/0/1

[Sysname-GigabitEthernet1/0/1] poe enable

# Enable PoE on a PI in PoE profile view.

<Sysname> system-view

[Sysname] poe-profile abc

[Sysname-poe-profile-abc-1] poe enable

Related commands

display poe interface

poe-profile

poe fast-on enable

Use poe fast-on enable to enable fast PoE for a PSE.

Use undo poe fast-on enable to disable fast PoE for the PSE.

IMPORTANT:

This command is supported only in Release 6328 and later.

Syntax

poe fast-on enable pse pse-id

undo poe fast-on enable pse pse-id

Default

Fast PoE is disabled on a PSE. PIs on the PSE supply power to PDs only after the PSE has started up.

Views

System view

Predefined user roles

network-admin

Parameters

pse pse-id: Specifies a PSE by its ID.

Usage guidelines

Fast PoE enables a PI on a PSE to supply power to PDs immediately after the PSE is powered on.

You must re-configure this command if you modified other PoE settings after configuring this command.

Examples

# Enable fast PoE for PSE 4.

<Sysname> system-view

[Sysname] poe fast-on enable pse 4

Related commands

display poe pse

poe high-inrush enable

Use poe high-inrush enable to allow inrush currents drawn by PDs.

Use undo poe high-inrush enable to restore the default.

Syntax

poe high-inrush enable pse pse-id

undo poe high-inrush enable pse pse-id

Default

Inrush currents drawn by PDs are not allowed.

Views

System view

Predefined user roles

network-admin

Parameters

pse pse-id: Specifies a PSE by its ID.

Usage guidelines

CAUTION:

Inrush currents might damage the components on the device. Use this command with caution.

This command is available only for a PSE that has a model name ending with a character of B, LSPPSE48B for example. To obtain the model name of a PSE, execute the display poe pse command.

Inrush current might occur at PD startup and trigger PSE self-protection, As a result, the PSE stops supplying power to the PDs. To continue power supply to the PDs, configure this feature to allow inrush currents drawn by PDs.

IEEE 802.3af and IEEE 802.3at define specifications for inrush current. Support for the specifications defined by IEEE 802.3af and/or IEEE 802.3at depends on the device model.

Examples

# All high inrush currents drawn by PDs.

<Sysname> system-view

[Sysname] poe high-inrush enable pse 4

Related commands

display poe interface

display poe pse

poe legacy enable (interface view)

Use poe legacy enable to enable nonstandard PD detection for a PI.

Use undo poe legacy enable to disable nonstandard PD detection for a PI.

Syntax

poe legacy enable

undo poe legacy enable

Default

Nonstandard PD detection is disabled for a PI.

Views

Interface view

Predefined user roles

network-admin

Usage guidelines

The device supports PSE-based and PI-based nonstandard PD detection. If you enable nonstandard PD detection both in system view and interface view, the configuration in system view takes effect.

As a best practice for disabling nonstandard PD detection for all PIs successfully in one operation, disable this feature in both system view and interface view.

Examples

# Enable nonstandard PD detection for a PI.

<Sysname> system-view

[Sysname] interface gigabitethernet 1/0/1

[Sysname-GigabitEthernet1/0/1] poe legacy enable

Related commands

display poe interface

poe legacy enable (system view)

Use poe legacy enable to enable the PSE to detect nonstandard PDs.

Use undo poe legacy enable to disable the PSE from detecting nonstandard PDs.

Syntax

poe legacy enable pse pse-id

undo poe legacy enable pse pse-id

Default

Nonstandard PD detection is disabled.

Views

System view

Predefined user roles

network-admin

Parameters

pse pse-id: Specifies a PSE by its ID.

Usage guidelines

The device supports PSE-based and PI-based nonstandard PD detection. If you enable nonstandard PD detection both in system view and interface view, the configuration in system view takes effect.

As a best practice for disabling nonstandard PD detection for all PIs successfully in one operation, disable this feature in both system view and interface view.

Examples

# Enable PSE 4 to detect nonstandard PDs.

<Sysname> system-view

[Sysname] poe legacy enable pse 4

Related commands

display poe pse

poe legacy enable (interface view)

poe max-power (interface view)

Use poe max-power to set the maximum PI power.

Use undo poe max-power to restore the default.

Syntax

poe max-power max-power

undo poe max-power

Default

The maximum PI power is 30000 W.

Views

PI view

PoE profile view

Predefined user roles

network-admin

Parameters

max-power: Sets the maximum PI power in milliwatts. The value range is 1000 to 30000.

Examples

# Set the maximum PI power to 12000 milliwatts in PI view.

<Sysname> system-view

[Sysname] interface gigabitethernet 1/0/1

[Sysname-GigabitEthernet1/0/1] poe max-power 12000

# Set the maximum PI power to 12000 milliwatts in PoE profile view.

<Sysname> system-view

[Sysname] poe-profile abc

[Sysname-poe-profile-abc-1] poe max-power 12000

poe pd-description

Use poe pd-description to configure a description for the PD that connects to a PI.

Use undo poe pd-description to restore the default.

Syntax

poe pd-description text

undo poe pd-description

Default

No description is configured for the PD that connects to a PI.

Views

PI view

Predefined user roles

network-admin

Parameters

text: Configures a description for the PD connected to the PI, a case-sensitive string of 1 to 80 characters.

Examples

# Configure the description for the PD as IP Phone for Room 101.

<Sysname> system-view

[Sysname] interface gigabitethernet 1/0/1

[Sysname-GigabitEthernet1/0/1] poe pd-description IP Phone For Room 101

poe pd-policy priority

Use poe pd-policy priority to enable PI power management.

Use undo poe pd-policy priority to restore the default.

Syntax

poe pd-policy priority

undo poe pd-policy priority

Default

PI power management is disabled.

Views

System view

Predefined user roles

network-admin

Usage guidelines

If PI power management is disabled, the PSE does not supply power to new PDs when PSE power overload occurs.

If PI power management is enabled, when a PSE is overloaded, the PSE allocates power to PDs based on the priority of their PIs.

Examples

# Enable PI power management.

<Sysname> system-view

[Sysname] poe pd-policy priority

Related commands

poe priority

poe priority (interface view)

Use poe priority to set the power supply priority for a PI.

Use undo poe priority to restore the default.

Syntax

poe priority { critical | high | low }

undo poe priority

Default

The power supply priority of a PI is low.

Views

PI view

PoE profile view

Predefined user roles

network-admin

Parameters

critical: Sets the power supply priority to critical. The PI with critical power priority operates in guaranteed mode. Power is first supplied to the PD connected to the critical PI.

high: Sets the power supply priority to high.

low: Sets the power supply priority to low.

Usage guidelines

When the PoE power is insufficient, power is first supplied to PIs with higher priority.

For PIs with same power supply priority, the PI with the smallest ID is allocated with power first.

If a PoE profile has been applied to a PI, remove the application before configuring the PI in PoE profile view.

If a PI has been configured, remove the configuration before configuring the PI in PI view.

Examples

# Set the power supply priority of the PI to critical in PI view.

<Sysname> system-view

[Sysname] interface gigabitethernet 1/0/1

[Sysname-GigabitEthernet1/0/1] poe priority critical

# Set the power supply priority of the PI to critical in PoE profile view.

<Sysname> system-view

[Sysname] poe-profile abc

[Sysname-poe-profile-abc-1] poe priority critical

[Sysname-poe-profile-abc-1] quit

[Sysname] interface gigabitethernet 1/0/1

[Sysname-GigabitEthernet1/0/1] apply poe-profile name abc

Related commands

poe pd-policy priority

poe reset enable

Use poe reset enable to enable PI power cycling upon a system warm reboot.

Use undo poe pse-policy priority to disable PI power cycling upon a system warm reboot.

Syntax

poe reset enable

undo poe reset enable

Default

PI power cycling upon a system warm reboot is disabled.

Views

System view

Predefined user roles

network-admin

Usage guidelines

During the system warm reboot process (upon execution of the reboot command), the PIs continue supplying power to the PDs but data connections between the PDs and the device are interrupted. After the system reboots, PDs might not re-initiate data connections with the device. Power cycling PIs upon a system warm reboot allows the PDs to re-establish data connections with the device.

Examples

# Enable PI power cycling upon a system warm reboot.

<Sysname> system-view

[Sysname] poe reset enable

poe update

Use poe update to upgrade the PSE firmware when the device is operating.

Syntax

poe update { full | refresh } filename [ pse pse-id ]

Views

System view

Predefined user roles

network-admin

Parameters

full: Upgrades the PSE firmware in full mode.

refresh: Upgrades the PSE firmware in refresh mode.

filename: Specifies the name of the upgrade file, a case-insensitive string of 1 to 64 characters. The specified file must be in the root directory of the file system of the device.

pse pse-id: Specifies a PSE by its ID. If you do not specify a PSE, all PSEs are upgraded.

Usage guidelines

You can upgrade the PSE firmware in service in either of the following modes:

· Refresh mode—Updates the PSE firmware without deleting it. You can use the refresh mode in most cases.

· Full mode—Deletes the current PSE firmware and reloads a new one. Use the full mode if the PSE firmware is damaged and you cannot execute any PoE commands.

Examples

# Upgrade the firmware of PSE 4 in service.

<Sysname> system-view

[Sysname] poe update refresh POE-168.bin pse 4

poe utilization-threshold

Use poe utilization-threshold to configure a power alarm threshold for the PSE.

Use undo poe utilization-threshold to restore the default power alarm threshold of the PSE.

Syntax

poe utilization-threshold value pse pse-id

undo poe utilization-threshold pse pse-id

Default

The power alarm threshold for the PSE is 80%.

Views

System view

Predefined user roles

network-admin

Parameters

value: Specifies alarm threshold as a percentage of 1 to 99.

pse pse-id: Specifies a PSE by its ID.

Usage guidelines

If PSE power usage crosses the threshold multiple times in succession, the system sends notification messages only for the first crossing. For more information, see "Configuring SNMP."

Examples

# Set the power alarm threshold of PSE 4 to 90%.

<Sysname> system-view

[Sysname] poe utilization-threshold 90 pse 4

poe-profile

Use poe-profile to create a PoE profile and enter its view, or enter the view of an existing PoE profile.

Use undo poe-profile to delete a PoE profile.

Syntax

poe-profile profile-name [ index ]

undo poe-profile { index index | name profile-name }

Default

No PoE profiles exist.

Views

System view

Predefined user roles

network-admin

Parameters

profile-name: Specifies a PoE profile name, a case-sensitive string of 1 to 15 characters. A PoE configuration file name begins with a letter and must not contain reserved keywords including undo, all, name, interface, user, poe, disable, max-power, mode, priority, or enable.

index: Specifies the index number of a PoE profile, in the range of 1 to 100.

Usage guidelines

To configure PIs in batches, use the PoE profile.

If you do not specify a profile index, the system automatically assigns an index (starting from 1) to the PoE profile.

If a PoE profile is applied, use the undo apply poe-profile command to remove the application before deleting the PoE profile.

Examples

# Create a PoE profile, name it abc, and specify the index number as 3.

<Sysname> system-view

[Sysname] poe-profile abc 3

[Sysname-poe-profile-abc-3]

# Create a PoE profile and name it def. Do not specify the index number.

<Sysname> system-view

[Sysname] poe-profile def

[Sysname-poe-profile-def-1]

Related commands

apply poe-profile

poe enable

poe max-power (interface view)

poe priority

11-Network Management and Monitoring Command Reference

PoE commands

apply poe-profile interface

display poe-profile

display poe-profile interface

poe reset enable

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