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Configuration Guide - WLAN-AC

S5700 and S6720 V200R012C00

This document describes the configurations of WLAN, including WLAN Service Configuration, Radio Resource Management, Roaming, WLAN QoS, WLAN Security, WDS, Mesh, Location, Hotspot 2.0, Dual-Link Cold Backup, N+1 Backup.
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Configuring PoE Power Management

Configuring PoE Power Management

Context

You can configure the maximum power, percentage of the reserved PoE power to the total PoE power, and PoE power alarm threshold. Setting power parameters based on requirement of PDs connected to the AP helps you effectively use PoE power and ensures the AP stability.

Procedure

  • Configure the maximum output power of the AP.

    If the power that the network provides for the PoE device is unstable, for example, the mains voltage fluctuates, the power that the PoE device provides for PDs is affected and begins to fluctuate. As a result, PDs are not provided with sufficient power and some PDs are powered off. You can configure the maximum output power of the AP to ensure power stability for a PD.

    1. Run the system-view command to enter the system view.
    2. Run the wlan command to enter the WLAN view.
    3. Run the ap-system-profile name profile-name command to create an AP system profile and enter the profile view.

      By default, the system provides the AP system profile default.

    4. Run the poe max-power max-power command to set the maximum output power of the AP.

      By default, the maximum output power of the AP is the total power that the PoE power supply provides for PDs.

      This command takes effect only on the AP2051DN-E, R251D-E, AP8082DN, AP8182DN, AP4050DN-E, AP4050DN-HD, AP7050DN-E, AP2050DN-E, R250D-E, AD9431DN-24X, AD9430DN-24, and AD9430DN-12.

  • Configure the reserved PoE power percentage.

    The power of a PD keeps changing when the PD is running. Sometimes, the power consumption increases sharply and the available power of the device cannot support the burst increase of power. In this case, the device cuts off PDs on low-priority interfaces to enable overload protection on PoE power. As a result, all PDs are powered off.

    You can configure proper reserved power to solve the problem. When the power consumption increases sharply, the reserved power can support the system running. Then the device can immediately power off PDs on low-priority interfaces to ensure stable running of other PDs.

    1. Run the system-view command to enter the system view.
    2. Run the wlan command to enter the WLAN view.
    3. Run the ap-system-profile name profile-name command to create an AP system profile and enter the profile view.

      By default, the system provides the AP system profile default.

    4. Run the poe power-reserved power-reserved command to configure the percentage of the reserved PoE power against the total PoE power on the AP.

      By default, the percentage of the reserved PoE power against the total PoE power on an AP is 0%.

  • Configure the alarm threshold of power consumption percentage.

    When the power consumption increases sharply within a range, the reserved power can satisfy the power requirement. However, if the power consumption exceeds the range, some PDs are powered off. To solve this problem, configure the alarm threshold for the power consumption percentage. When the power consumption exceeds the threshold, the system generates an alarm so that administrators can take measures to reduce the power consumption.

    1. Run the system-view command to enter the system view.
    2. Run the wlan command to enter the WLAN view.
    3. Run the ap-system-profile name profile-name command to create an AP system profile and enter the profile view.

      By default, the system provides the AP system profile default.

    4. Run the poe power-threshold threshold-value command to configure the alarm threshold of PoE power consumption percentage.

      By default, the alarm threshold is 100%.

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Updated: 2018-12-24

Document ID: EDOC1100038361

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