How can I clear alarms on a WLAN device

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To clear alarms on a WLAN device, run the clear alarm active { all | sequence-number sequence-number } command in the alarm management view.

Other related questions:
How can I clear logs on a WLAN device
Logs generated on a WLAN device are saved in the log buffer. After the number of logs reaches the specified threshold, the logs are saved to the syslogfile or logfile folder in the device's flash memory. When the WLAN device has been running for a long time, it generates a large number of logs. In this case, you can run the info-center max-logfile-number command to set the maximum number of logs to be saved on the device. You can clear all logs in the buffer and the flash memory. 1. Clear logs in the log buffer or trap buffer. - Run the reset logbuffer command in the user view to clear logs in the log buffer. - Run the reset trapbuffer command in the user view to clear traps in the trap buffer. 2. Clear log files in the flash memory. Run the delete command in the user view to delete log files in the flash memory. To delete logs in the logfile folder, perform the following operations: - delete flash:/logfile/xxx //Delete a log record. xxx specifies the log file name saved in the flash memory. - delete /unreserved flash:/logfile/xxx //Permanently delete a log record, which cannot be restored. - reset recycle-bin //Empty the recycle bin.

How can I set alarm severity on a WLAN device
To set alarm severity on a WLAN device, run the alarm-name alarm-name severity severity command in the alarm management view. Run the undo alarm-name severity command to restore the alarm severity to the default setting.

How to clear the console password of a WLAN device
If the console password of an AC is forgotten, start up the device without entering the console password in BIOS mode, and then change the console password to clear it. The procedure is as follows: 1. Use a serial cable to connect and restart the device. When the message "Press CTRL+B to enter BIOS menu" is displayed, press Ctrl+B and enter the password (the default password is admin@huawei.com). The BIOS main menu is displayed. 2. Log in to the device without entering the console password. a. Enter the corresponding serial number for Clear password for console user in the BIOS menu to clear the console password. b. Enter the corresponding serial number for Boot with default mode in the BIOS menu to start the device in default mode. 3. After the system is started, authentication is not required for console login. Change the console password after login. a. In the console user view, run the authentication-mode password command to configure the console user authentication mode to password authentication. b. In the console user view, run the authentication password cipher command to set the console password. 4. To prevent the configurations from being lost after the system is restarted, run the save command to save the configurations. If the console password of an AP is forgotten, start up the AP without entering the console password in Uboot mode, and then change the console password to clear it. The procedure is as follows: 1. Use a serial cable to connect and restart the device. When the message "Press f or F to stop Auto-Boot ......" is displayed, press f and enter the password (the default password is admin@huawei.com). The Uboot view is displayed. 2. In the Uboot view, run the defaultuser command to clear the console password. 3. In the Uboot view, run the reset command to restart the device. 4. After the system is started, authentication is not required for console login. Change the console password after login. a. In the console user view, run the authentication-mode password command to configure the console user authentication mode to password authentication. b. In the console user view, run the authentication password cipher command to set the console password. 5. To prevent the configurations from being lost after the system is restarted, run the save command to save the configurations.

How do I query alarms on a WLAN device
When a WLAN device becomes faulty or works abnormally because the environment does not meet operation requirements, the system generates alarms based on fault types and relevant logs. WLAN product documentation describes alarm description, alarm attributes, alarm parameters, impact on the system, possible causes, and solutions of each feature on a WLAN device. The following tips will help you quickly find reference information about a specific alarm: - An alarm ID uniquely identifies an alarm and allows you to search an alarm by alarm ID for its description and handling procedure. - Alarms that have the same ID but are triggered by different causes are identified by error code (for example, BaseTrapProbableCause). You can search for error codes in the Alarm Reference. - Do not search an alarm based on information carrying a variable, such as the alarm generation time, port number, process ID, or device name. To query a WLAN alarm, perform the following operations: - Query by keyword Log in to and enter a keyword, such as "AP online alarm". You can also obtain the required product documentation and query related alarms. - Query in the product documentation 1. Log in to . 2. Choose Enterprise Network > WLAN. 3. Select a WLAN device model. On the page that is displayed, select the product documentation of the specific version. 4. Query alarms online or download the product documentation for alarm query.

How can I clear MCU logs and alarms?
1. All ViewPoint 9000 series MCUs and ViewPoint 8000 series MCU with the version earlier than V100R008 support automatic alarm clearing. 2. For the ViewPoint 8000 series MCU in V100R008, certain alarms such as temperature alarms cannot be automatically cleared. In this case, you need to manually clear the alarms by running the diag clear-alarm command at the prompt as the administrator user. 3. You do not need to clear logs. When the number of logs reaches a certain capacity, new logs will automatically overwrite old logs. Currently, you cannot manually delete logs.

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