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Fat AP and Cloud AP V200R010C00 Command Reference

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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).
display channel switch-record (Cloud Central AP)

display channel switch-record (Cloud Central AP)

Function

The display channel switch-record command displays channel switching records of APs.

Format

display channel switch-record { all | calibrate | dev-id device-id radio radio-id | ap-mac ap-mac radio radio-id }

Parameters

Parameter Description Value
all

Displays all channel switching records.

-

calibrate

Displays channel switching records for radio calibration.

-

dev-id device-id

Displays channel switching records of the AP with a specified ID.

The device ID must exist.

ap-mac ap-mac

Displays channel switching records of the AP with a specified MAC address.

The MAC address must exist.

radio radio-id

Displays channel switching records of a specified AP radio.

The radio ID must exist.

Views

All views

Default Level

1: Monitoring level

Usage Guidelines

You can run this command to view channel switching records of APs.

Run the display channel switch-record calibrate command to query channel or power switching records caused by radio calibration to check the calibration results.

Example

# Display all channel switching records of slave APs and leader AP on the leader AP.

<Huawei> display channel switch-record all
Old/New: Old channel/New channel
RfID   : Radio ID
Dev ID : Device ID of AP
----------------------------------------------------------------------------------------------
Dev ID  AP MAC         RfID      Old/New  Switch reason  Switch time
----------------------------------------------------------------------------------------------
14      88cf-98ba-5a40 0         1/6      configuration  11:03:30 2014/9/28
----------------------------------------------------------------------------------------------
Total : 1
Table 18-36  Description of the display channel switch-record all command output

Item

Description

Dev ID

ID of an AP.

AP MAC

MAC address of an AP.

RfID

Radio ID.

Old/New

Channels used before and after switching.

Switch reason

Channel switching reason.
  • calibration: channel switching caused by radio calibration
  • configuration: channel switching caused by configuration
  • dfs: channel switching performed to avoid radar channels
  • dfs(In AC): channel switching caused by channel delivery by the central AP to avoid radar channels
  • dfs recover: channel switching caused by DFS channel switchback
  • unsupported: channel switching performed because the RU does not support the channel delivered by the central AP

Switch time

Time when channel switching occurred.

# Display channel calibration records.
<Huawei> display channel switch-record calibrate
PCH : Pre channel 
CCH : Current channel
PBW : Pre bandwidth
CBW : Current bandwidth
PE  : Pre EIRP (dBm)
CE  : Current EIRP (dBm)
PR  : Pre RSSI (dBm)
CR  : Current RSSI (dBm)
RfID: Radio ID
Dev ID: Device ID of AP
--------------------------------------------------------------------------------------------
Dev ID  AP MAC         RfID  PCH/CCH  PBW/CBW  PE/CE   PR/CR    Reason         Time
--------------------------------------------------------------------------------------------
14      88cf-98ba-5a40 0     11/6     80M/40M+ 27/127  -32/-40  Period recheck 19:30:00 2018/01/11
15      88cf-98ba-5a60 0     6/11     20M/20M  27/127  -40/-48  Bad env        19:21:53 2018/01/11
--------------------------------------------------------------------------------------------
Total : 2
Table 18-37  Description of the display channel switch-record calibrate command output
Item Description

Dev ID

ID of an AP.

AP MAC

MAC address of an AP.

RfID

Radio ID.

PCH/CCH

Channels before and after calibration.

NOTE:
PCH/CCH changes may be discontinuous for the same radio.

PBW/CBW

Bandwidth before and after calibration.

PE/CE

Power values before and after calibration.

NOTE:
PE/CE changes may be discontinuous for the same radio.

PR/CR

Interference values before and after calibration.

Reason

Reason for triggering calibration.

  • Period recheck: periodic calibration
  • Bad env: environment deterioration
  • Non-Wi-Fi report: non-Wi-Fi report
  • Rogue AP report: rogue AP report
  • Noise interfere: noise interference
  • Global plan: trial operation
  • AP online: AP go-online
  • AP offline: AP go-offline
  • Unknown: unknown reason

Time

Time when calibration is triggered.

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Updated: 2019-11-21

Document ID: EDOC1100064352

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