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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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calibrate flexible-radio

calibrate flexible-radio

Function

The calibrate flexible-radio { auto-switch | auto-off } command enables global dynamic frequency assignment (DFA) and sets the mode for processing redundant radios.

The undo calibrate flexible-radio command disables global DFA.

By default, global DFA is disabled.

Format

calibrate flexible-radio { auto-switch | auto-off }

undo calibrate flexible-radio

Parameters

Parameter Description Value
auto-switch

Automatically switches redundant 2.4 GHz radios to 5 GHz radios. If no channel is available on a 5 GHz radio or the current radio cannot be switched to a 5 GHz radio, the current radio is switched to the monitor mode.

-

auto-off

Automatically disables redundant 2.4 GHz radios.

-

Views

WLAN view

Default Level

2: Configuration level

Usage Guidelines

Usage Scenario

DFA applies to scenarios where indoor APs with omnidirectional antennas are densely deployed, the 2.4 GHz frequency band has severe co-channel interference, and most STAs on the network support the 5 GHz frequency band.

DFA automatically switches or disables redundant radios.
  • If an AP does not support radio switchover, you are advised to specify auto-off in the command to reduce co-channel interference and save energy.
  • If an AP supports radio switchover, you are advised to specify auto-switch in the command to increase network capacity. If most redundant 2.4 GHz radios are automatically switched to the monitor mode, channel resources on the current network are properly used. In this case, you can specify auto-off in the command.

Prerequisites

Radio calibration has been enabled using the calibrate enable { auto [ interval interval-value [ start-time start-time ] ] | manual | schedule time time-value } command.

Precautions

DFA reduces the deployment density of 2.4 GHz radios and increases the transmit power of 2.4 GHz radios. To ensure the 5 GHz access ratio of STAs, keep the band steering function enabled.

When DFA is disabled, redundant radios are switched back to 2.4 GHz radios and the system automatically triggers radio calibration, which may degrade wireless service experience.

Example

# Enable global DFA and set the mode for processing redundant radios to automatic switchover.

<HUAWEI> system-view
[HUAWEI] wlan
[HUAWEI-wlan-view] calibrate enable auto
[HUAWEI-wlan-view] calibrate flexible-radio auto-switch
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Updated: 2019-04-09

Document ID: EDOC1100065659

Views: 123278

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