Hello, dear!
Good day to you!
This topic describes how to restore the password of IAD.
The operation of restoring factory defaults will delete all configuration data from the device. You need to configure all data after the restart. Exercise caution when performing this operation. You are advised to back up the data file before restoring factory defaults and use the backup file to restore the configuration data after the restart.
You can log in to the IAD in either of the following ways when you forget the password:
Log in to the IAD using Telnet:
1. Enter the user name system and password login on the Telnet login page to log in to the IAD.
2. Manually restore factory settings in the global configuration mode, and restart the IAD.
enable
configure terminal
restore vendor-config
When the IAD restarts, use the default IP address 192.168.100.1, user name root, and password admin to log in to the IAD.
Log in to the IAD using the serial port:
1. Use a serial cable to connect the PC and IAD, and restart the IAD.
2. View the messages displayed on the serial port interface. When the following message is displayed, press Ctrl+R:
Press CTRL+R to restore vendor-config 3s
3. When the following message is displayed, enter Y or y. The IAD automatically restores to factory settings and restarts.
Confirm to restore vendor-config? [Y|N] :
4. When the IAD restarts, use the default IP address 192.168.100.1, user name root, and password admin to log in to the IAD. (In the V300R002 version, the default password is huawei123.)
Hope it can help you!

