Hello AymanOT
For S series switches, except S1700 switches, perform the following steps to access the BootROM:
1. Log in to the switch through the console port.
2. Restart the device. When information similar to "Press Ctrl + B to enter the boot menu" or "Press Ctrl + B or Ctrl + E" to enter the BootROM menu "is displayed, press Ctrl + B or Ctrl + E within 3 seconds.
3. Enter the BootROM password to access the BootROM main menu.
Default:
For fixed switches running earlier than V100R006C03, the default BootROM password is huawei; For fixed switches running V100R006C03 or later, the default BootROM password is Admin@huawei.com.
For modular switches running V100R006C00 or earlier, the default BootROM password is 9300; For modular switches running a version later than V100R006C00, the default BootROM password is Admin@huawei.com.
BootROM main menu description:
1. Boot with default mode: Boot the device in default mode without the BootROM reboot phase. Select this option when a quick boot of the device is required or operations in the BootROM menu do not involve the BootROM program.
2. Enter serial submenu: Enter the serial port submenu. In this submenu, you can download files via serial port to flash memory and update BootROM program.
3. Enter startup submenu: Enters the startup submenu. In this submenu, you can check or modify the startup settings.
4. Enter ethernet submenu: Enter the Ethernet submenu. In this submenu, you can download files to flash memory via Ethernet port or backup configuration files.
5. Enter filesystem submenu: Enter the file system submenu. In this submenu, you can manage and maintain the file system.
6. Enter password submenu: Enter the password submenu. In this menu, you can change the BootROM password or restore the default BootROM password.
7. Clear password for console user: Remove the password to log in through the console port. If you cannot log in to the device because you forget the password to log in through the console port, you can remove the password. After logging in to the device, reset this password.
8. Reboot: Reboot the BootROM by selecting 8. Reboot and start other components when parameter modification affects device initialization.
(Press Ctrl + E to enter diag menu): Press Ctrl + E to enter the diagnostic menu.
Shortcut key: The BootROM menu provides two shortcut keys: Ctrl + M and Ctrl + J. The functions of the shortcut keys are as follows: Ctrl + M and Ctrl + J: the two shortcut keys can be used in any BootROM menu to provide functions similar to Enter.