How to reset AC password

I forget my AC password, how to reset it.

I. Network Topology

II. Requirements

1. Finish reading System Management --> Console Management.

2. Login AC CLI via Console.

III. Configuration Steps

Recovering AC password (configuration file remains)

1. Power off AC, then power up.

2. Press CTRL + C, enter CTRL mode.

3. Input CTRL+Q, enter uboot mode. And then input "main_config_password_clear"

4. Device will reload automatically.

3.      When finish reloading, enter CLI without input password.

Note: The default timeout period is 10min. Please change your password before time out.

4.      Change password, and then use the command “wr” to save your configuration.

5.      save configuration

Re-login AC, execute commands "show runing-config" to check configurations.

If "main_config_password_clear" don't work. You can refer to this guide to reset its password
1. Ctrl +C Ctrl +Q
2. Import ubootui and then press  enter  Ctrl+P
3.import 'setenv runlevel 1'
4.import 'run linux'
5.cd/data
6.cat config. text  ----if the password is clear password, you can find it there directly
7.rm -rf config. text
8.reboot and then repeat step 1 and step 2
9.setenv runlevel 3
10.saveenv
11. run linux
12.delete the enable password commond