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Fat AP and Cloud AP V200R008C00 CLI-based Configuration Guide

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Configuring User CAC

Configuring User CAC


On WLANs where many users exist, such as WLANs in high density scenarios, users compete fiercely to occupy the channels as the number of online users increases. As a result, network quality deteriorates. To ensure network access experience of online users, configure the user CAC function. The user CAC function allows an AP to control user access based on the thresholds specified according to the terminal SNR, which enables provisioning of high-quality network access services.

CAC is implemented in one mode:
  • SNR-based CAC controls access from weak-signal users, This mode is recommended when the WLAN has good signal coverage and weak signals only at the edge of WLAN coverage areas.

Pre-configuration Tasks

Before configuring user CAC, perform the task of WLAN Service Configuration Guide (Common AP).


  1. Run:


    The system view is displayed.

  2. Run:


    The WLAN view is displayed.

  3. Run:

    rrm-profile name profile-name

    The RRM profile view is displayed.

  4. Configure the CAC implementation mode and threshold, and enable CAC.
    • CAC based on terminal SNR

      1. Run the uac client-snr enable command to enable CAC based on terminal SNR.
      2. Run the uac client-snr threshold threshold command to configure the CAC threshold based on terminal SNR.

        By default, the user CAC threshold based on terminal SNR is 20 dB.

Verifying the Configuration

  • Run the display rrm-profile name profile-name command to check settings of user CAC parameters.
  • Run the display radio-2g-profile name profile-name command to check the RRM profile referenced by a 2G radio profile.
  • Run the display radio-5g-profile name profile-name command to check the RRM profile referenced by a 5G radio profile.
Updated: 2019-01-11

Document ID: EDOC1000176006

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