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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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band-steer client-band-expire

band-steer client-band-expire

Function

The band-steer client-band-expire command sets the aging condition for terminal band information.

The undo band-steer client-band-expire command restores the default aging condition for terminal band information.

By default, band information of a terminal will be aged out under conditions that an AP has consecutively received Probe frames of the terminal more than 35 times from the same frequency band.

Format

band-steer client-band-expire probe-counters

undo band-steer client-band-expire

Parameters

Parameter

Description

Value

probe-counters

Sets the aging condition of terminal band information to the number of times that an AP has consecutively received Probe frames of a terminal from the same frequency band.

The value is an integer that ranges from 10 to 65535.

Views

RRM profile view

Default Level

2: Configuration level

Usage Guidelines

Usage Scenario

After the band steering function is enabled on an AP, the AP records frequency band information of terminals so that the terminals can preferentially access the supported and lightly loaded frequency band.

Users may change terminals' configurations, which causes the supported frequency band of terminals to change. Therefore, the AP needs to update frequency band information of terminals in a timely manner. If the AP keeps receiving Probe frames of a terminal from a specific frequency band, and the number of receiving times exceeds a certain threshold, the AP updates the frequency band information of the terminal and considers that the terminal supports only the frequency band.

For example, the supported frequency bands of a terminal are 2.4 and 5 GHz frequency bands on an AP. If the AP only receives Probe frames of the terminal from the 2.4 GHz frequency band, and the number of times that the AP consecutively receives Probe frames from the 2.4 GHz frequency band exceeds the specified threshold, the AP considers that users change the terminal configuration and the terminal supports only the 2.4 GHz frequency band.

Precautions

If you set the aging condition to a large number of times that an AP consecutively receives Probe frames of a terminal from the same frequency band, the AP detects terminal band change more slowly. A smaller number indicates quicker response. Set the aging condition according to the difference in the number of Probe frames sent from the two frequency bands.

Example

# Configure the supported band information of the terminal huawei to age out when the number of times that an AP consecutively receives Probe frames from a frequency band exceeds 80.

<HUAWEI> system-view
[HUAWEI] wlan
[HUAWEI-wlan-view] rrm-profile name huawei
[HUAWEI-wlan-rrm-prof-huawei] band-steer client-band-expire 80
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Updated: 2019-04-09

Document ID: EDOC1100065659

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