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S12700 V200R013C00 Command Reference

This document describes all the configuration commands of the device, including the command function, syntax, parameters, views, default level, usage guidelines, examples, and related commands.
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uac enable

uac enable

Function

The uac enable command enables user CAC.

The undo uac enable command disables user CAC.

By default, user CAC is disabled.

Format

uac { client-number | channel-utilization | client-snr } enable

undo uac { client-number | channel-utilization | client-snr } enable

Parameters

Parameter Description Value
client-number

Controls user access based on the number of users.

-
channel-utilization

Controls user access based on channel usage.

-
client-snr

Controls user access based on terminal SNR.

-

Views

RRM profile view

Default Level

2: Configuration level

Usage Guidelines

Usage Scenario

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 radio channel usage, number of online users, or terminal SNR, which enables provisioning of high-quality network access services.

CAC is implemented in the following modes:
  • User CAC based on channel usage uses a complex algorithm but is accurately implemented to ensure service quality. This mode is recommended when service types and traffic volumes differ greatly among users.

  • User CAC based on the number of users is less accurate but uses a simple algorithm. This mode is recommended when most users have the same type of services and similar service traffic volumes.

  • SNR-based user CAC controls access from weak-signal users, applicable to scenarios where the WLAN has good signal coverage and weak signals only at the edge of WLAN coverage areas.

User CAC based on channel usage and user CAC based on the number of access users cannot be configured simultaneously, but either of them can be configured together with user CAC based on terminal SNR.

Follow-up Procedure

Run the uac client-number threshold command to configure the user CAC threshold based on the number of users, or run the uac channel-utilization threshold command to configure the user CAC threshold based on channel usage.

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

Run the uac reach-access-threshold hide-ssid command to configure the AP to automatically hide its SSID when the number of users reaches the user CAC threshold for new users.

Example

# Enable user CAC based on the number of users.

<HUAWEI> system-view
[HUAWEI] wlan
[HUAWEI-wlan-view] rrm-profile name huawei
[HUAWEI-wlan-rrm-prof-huawei] uac client-number enable
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Updated: 2019-04-09

Document ID: EDOC1100065659

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