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Fat AP and Cloud AP V200R008C00 CLI-based Configuration Guide

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Example for Configuring Radio Calibration

Example for Configuring Radio Calibration

Configuration Process

You need to configure and maintain WLAN features and functions in different profiles. These WLAN profiles include regulatory domain profile, radio profile, VAP profile, AP system profile, AP wired port profile,and WIDS profile. When configuring WLAN services, you need to set related parameters in the WLAN profiles and bind the profiles to the AP group or APs. After that, the configuration is automatically delivered to and takes effect on the RUs. WLAN profiles can reference one another; therefore, you need to know the relationships among the profiles before configuring them. For details about the profile relationships and their basic configuration procedure, see WLAN Service Configuration Procedure.

Networking Requirements

As shown in Figure 18-9, a large number of RUs are deployed in an office building. The RUs connect to the central AP through Switch_A to provide wireless services for users.

It will be a heavy workload to manually configure radio parameters (such as the channel) for the RUs one by one. The enterprise IT department requires that the central AP automatically allocate channels to the RUs based on radio environments to simplify network deployment.

For the WLAN access configuration, see Related Topics.

Figure 18-9  Networking diagram for configuring radio calibration

Data Planning

Table 18-3  Central AP data planning

Item

Data

5G radio profile
  • Name: radio5g
  • Referenced profiles: air scan profile wlan-airscan
2G radio profile
  • Name: radio2g
  • Referenced profiles: air scan profile wlan-airscan
Air scan profile
  • Name: wlan-airscan
  • Air scan channel set: all channels supported by the corresponding country code of an RU
  • Air scan interval: 80000 ms
  • Air scan duration: 80 ms

Configuration Roadmap

Configure radio calibration so that the central AP can automatically allocate the optimal working channels to the RUs.

Configuration Notes

  • Radio calibration does not take effect on radios enabled with WDS or Mesh functions.

  • Radio calibration is not applicable to scenarios where APs cannot detect each other, for example, APs use directional antennas, are far from each other, or have obstacles between them.

  • Radio calibration is not applicable to high-density, WDS/Mesh backhaul, rail transportation, or external directional-antenna scenarios.

  • Configure port isolation on the interfaces of the device directly connected to RUs. If port isolation is not configured, a large number of unnecessary broadcast packets may be generated in the VLAN, blocking the network and degrading user experience.

Procedure

  1. Check the basic configuration of the WLAN.

    Check Item

    Command

    Data

    Check the AP group to which an RU belongs.

    display ap all

    AP group: ap-group1

    Check all profiles referenced by the AP group.

    display ap-group name ap-group1

    VAP profile: wlan-net

    Check all profiles referenced by the VAP profile.

    display vap-profile name wlan-net

    SSID profile: wlan-net

  2. Configure radio calibration.

    # Enable automatic channel selection and automatic transmit power selection. By default, automatic channel selection and automatic transmit power selection are enabled.
    [AC-wlan-view] ap-group name ap-group1
    [AC-wlan-ap-group-ap-group1] radio 0
    [AC-wlan-group-radio-ap-group1/0] undo calibrate auto-channel-select disable
    [AC-wlan-group-radio-ap-group1/0] undo calibrate auto-txpower-select disable
    [AC-wlan-group-radio-ap-group1/0] quit
    [AC-wlan-ap-group-ap-group1] radio 1
    [AC-wlan-group-radio-ap-group1/1] undo calibrate auto-channel-select disable
    [AC-wlan-group-radio-ap-group1/1] undo calibrate auto-txpower-select disable
    [AC-wlan-group-radio-ap-group1/1] quit
    [AC-wlan-ap-group-ap-group1] quit

    # Create the air scan profile wlan-airscan and configure the scan channel set, scan interval, and scan duration. By default, an air scan channel set contains all channels supported by the corresponding country code of an RU.

    [AP-wlan-view] air-scan-profile name wlan-airscan
    [AP-wlan-air-scan-prof-wlan-airscan] scan-channel-set dca-channel
    [AP-wlan-air-scan-prof-wlan-airscan] scan-period 80
    [AP-wlan-air-scan-prof-wlan-airscan] scan-interval 80000
    [AP-wlan-air-scan-prof-wlan-airscan] quit

    # Create the 2G radio profile radio2g and bind the air scan profile wlan-airscan to the 2G radio profile.

    [AP-wlan-view] radio-2g-profile name radio2g 
    [AP-wlan-radio-2g-prof-radio2g] air-scan-profile wlan-airscan
    [AP-wlan-radio-2g-prof-radio2g] quit

    # Create the 5G radio profile radio5g and bind the air scan profile wlan-airscan to the 5G radio profile.

    [AP-wlan-view] radio-5g-profile name radio5g 
    [AP-wlan-radio-5g-prof-radio5g] air-scan-profile wlan-airscan
    [AP-wlan-radio-5g-prof-radio5g] quit

    # Bind the 5G radio profile radio5g and 2G radio profile radio2g to the AP group ap-group1.

    [AP-wlan-view] ap-group name ap-group1 
    [AP-wlan-ap-group-ap-group1] radio-5g-profile radio5g
    [AP-wlan-ap-group-ap-group1] radio-2g-profile radio2g
    [AP-wlan-ap-group-ap-group1] quit

    # Set the radio calibration mode to manual and trigger radio calibration. By default, the radio calibration mode is auto.

    [AC-wlan-view] calibrate enable manual
    [AP-wlan-view] calibrate manual startup

  3. Verify the configuration.

    • # Run the display radio all command on the central AP to check radio calibration results.

      [AP-wlan-view] display radio all
      CH/BW:Channel/Bandwidth
      CE:Current EIRP (dBm)
      ME:Max EIRP (dBm)
      CU:Channel utilization
      ----------------------------------------------------------------------
      AP ID Name    RfID  Band  Type    Status  CH/BW    CE/ME   STA      CU
      ----------------------------------------------------------------------
      1     area_2  0     2.4G  bgn     on      1/20M    28/28   1        10%
      1     area_2  1     5G    an      on      149/20M  29/29   0        15%
      0     area_1  0     2.4G  bgn     on      6/20M    28/28   1        15%
      0     area_1  1     5G    an      on      153/20M  29/29   0        49%
      ----------------------------------------------------------------------
      Total:4
    • # Radio calibration stops one hour after the radio calibration is manually triggered. The following configuration steps are not provided in the configuration file. After that, you can perform either of the following configurations:
      • (Recommended) Set the radio calibration mode to scheduled. Configure the RUs to perform radio calibration in off-peak hours, for example, between 00:00 am and 06:00 am.

        [AP-wlan-view] calibrate enable schedule time 03:00:00 
      • Manually fix the working channels of RUs: disable automatic channel selection and automatic transmit power selection. Manually trigger radio calibration when new RUs are added to the network.

        [AC-wlan-view] ap-group name ap-group1
        [AC-wlan-ap-group-ap-group1] radio 0
        [AC-wlan-group-radio-ap-group1/0] undo calibrate auto-channel-select disable
        [AC-wlan-group-radio-ap-group1/0] undo calibrate auto-txpower-select disable
        [AC-wlan-group-radio-ap-group1/0] quit
        [AC-wlan-ap-group-ap-group1] radio 1
        [AC-wlan-group-radio-ap-group1/1] undo calibrate auto-channel-select disable
        [AC-wlan-group-radio-ap-group1/1] undo calibrate auto-txpower-select disable
        [AC-wlan-group-radio-ap-group1/1] quit
        [AC-wlan-ap-group-ap-group1] quit
        [AP-wlan-view] calibrate enable manual
        [AP-wlan-view] calibrate manual startup
        Warning: The operation may cause business interruption, continue?[y/n]:y

Configuration Files

  • Central AP configuration file

    #
     sysname AP
    #
    wlan
     air-scan-profile name wlan-airscan
      scan-channel-set dca-channel
      scan-period 80
      scan-interval 80000 
     radio-2g-profile name radio2g
      air-scan-profile wlan-airscan 
     radio-5g-profile name radio5g
      air-scan-profile wlan-airscan 
     ap-group name ap-group1
      radio 0
       radio-2g-profile radio2g 
       vap-profile wlan-vap wlan 1
      radio 1
       radio-5g-profile radio5g 
       vap-profile wlan-vap wlan 1
    #
    return
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Updated: 2019-01-11

Document ID: EDOC1000176006

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