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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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display ap online-fail-record

display ap online-fail-record

Function

The display ap online-fail-record command displays AP online failure records.

Format

display ap online-fail-record { all | mac mac-address }

Parameters

Parameter

Description

Value

all

Displays online failure records of all APs.

-

mac mac-address

Displays online failure records of the AP with the specified MAC address.

The AP's MAC address must exist.

Views

All views

Default Level

1: Monitoring level

Usage Guidelines

If an AP fails to go online on the AC, you can run this command to check the failure reason, which helps locate the fault.

After the number of AP online failure records reaches the maximum that can be stored, new records overwrite existing ones.

Example

# Display online failure records about the AP with the MAC address 1047-80b1-56a0.

<HUAWEI> display ap online-fail-record mac 1047-80b1-56a0
------------------------------------------------------------------------------
MAC             Last fail time       Reason
------------------------------------------------------------------------------
1047-80b1-56a0  2015-01-20/15:48:06  The AP is added to the AP blacklist.
------------------------------------------------------------------------------
Total records: 1  
Table 11-21  Description of the display ap online-fail-record command output

Item

Description

MAC

MAC address of the AP that fails to go online.

Last fail time

Time of the AP online failure.

Reason

Reason for the AP online failure. For description of AP online failure reasons and handling suggestions, see Table 11-22.

For troubleshooting methods, see AP Online Failure.

Table 11-22  Possible causes and suggestions for APs' failures to go online

Reason Why an AP Fails to Go Online

Suggestion

Insufficient license resources.

Expand the license capacity. Note that RUs do not occupy license resources of the AC.

Huawei's Electronic Software Delivery Platform (ESDP) is accessible from the Internet and Huawei intranet.

The AP is not in the SN whitelist.

Run the ap whitelist sn ap-sn1 [ to ap-sn2 ] command to add the AP to the whitelist or run the ap-confirm command to enable the AP to pass authentication.

The AP is not in the MAC whitelist.

Run the ap whitelist mac ap-mac1 [ to ap-mac2 ] command to add the AP to the whitelist or run the ap-confirm command to enable the AP to pass authentication.

The AP is added to the AP blacklist.

Check whether the AP needs to be added to the blacklist. To delete the AP from the blacklist, run the undo ap blacklist command.

The MAC address and SN of the AP do not match.

Check whether the MAC address and SN of the AP match.

DTLS negotiation for CAPWAP tunnel setup fails.

Check whether the PSK used for DTLS encryption is correctly configured.

CAPWAP tunnel negotiation fails.

Check whether the network connectivity is normal. If yes, contact technical support personnel.

APs cannot go online during data backup.

Wait until backup is complete.

The upgrade fails.

Run the display ap update configuration command to check whether the AP's upgrade file is correct. If so, rectify the fault by referring to FIT AP Upgrade Fails.

The CAPWAP tunnel fails to be established.

Check whether the network connectivity is normal. If yes, contact technical support personnel.

The configuration fails to be delivered.

The device attempts to deliver the configuration again. If the failure persists, contact technical support personnel.

The versions of the AP and AC do not match.

Log in to http://support.huawei.com/enterprise and download the release notes. Based on the version mapping, upgrade the AP or AC to the matching version.

The AC does not support the AP type.

Replace the AP with that supported by the AC or replace the AC with one that supports this AP type.

The AP name conflicts.

Run the ap-rename command to rename the AP.

The number of central APs reaches the upper limit.

Check whether the number of central APs reaches the maximum value.

The number of common APs reaches the upper limit.

Check whether the number of common APs reaches the maximum value.

The central AP is not in normal state.

Run the display ap command to check the central AP status and take measures accordingly.

The CAPWAP sensitive-info PSK is different on the two ends of the CAPWAP tunnel.

Ensure that the PSK for encrypting CAPWAP sensitive information is the same on the AP and AC. Alternatively, enable the AP to set up a DTLS session with the AC using the default PSK.

The CAPWAP integrity-check PSK is different on the two ends of the CAPWAP tunnel.

Ensure that the PSK for checking CAPWAP packet integrity is the same on the AP and AC. Alternatively, enable the AP to set up a DTLS session with the AC using the default PSK.

The configured and reported AP types are different. The real AP type is XXXX.

NOTE:

If an AP has been deleted using the undo ap command, the AP type cannot be obtained. In this case, the AP online failure is displayed as The configured and reported AP types are different..

Ensure that the configured AP type is the same as the reported one.

The AC license is not active.

Activate the AC license.

Too many APs go online concurrently, leading to a failure to create sufficient DBSS interfaces.

No action is required. The APs will attempt to go online again.

The country codes of the AP and AC are inconsistent, and the country code of the AP is locked.

Configure the country code on the AC to be the same as that on the AP. The country code on some AP models cannot be modified. For example, the AP model with the suffix -US is used only in the United States, and its country code is fixed as US.

Configuration synchronization is in progress, leading to the system busy.

No action is required.

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Updated: 2019-04-09

Document ID: EDOC1100065659

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