The Boot Management Menu - Lenovo RackSwitch G8272 Installation Manual

The Boot Management Menu

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The Boot Management menu allows you to switch the NOS image, reset the default
user password, or to recover from a failed software installation.
You can interrupt the startup process and enter the Boot Management menu from
the serial console port. When the system displays the following message, press
Shift + B. The Boot Management menu appears.
The system is going down for reboot NOW!
INIT: reboot: Restarting system
...
Press shift-B for startup menu or shift-R for recovery mode: ..
Running Startup Menu
...
Boot Management Menu
M - Change boot mode (ENOS vs CNOS)
I - Change booting image
C - Change configuration to factory default
R - Boot in recovery mode (tftp and xmodem download of images to
recover switch)
P - Reset the Network Administrator (admin) password
B - Reset the password required to enter privileged exec mode
Q - Reboot
E - Exit
Please choose your menu option:
The Boot Management menu allows you to perform the following actions:
To change between firmware images, press M and follow the screen prompts.

ENOS refers to Lenovo Enterprise Network Operating System (8.4 or later) and
CNOS refers to Lenovo Cloud Network OS (10.1 or later).
 To change the booting image, press I and follow the screen prompts.
 To reset the switch configuration to factory defaults, press C and follow the
screen prompts.
 To boot in recovery mode, press R.
 To reset the Network Administrator account (admin) password, press P and
follow the screen prompts.
To reset the password required to enter Privileged EXEC configuration mode,

press B and follow the screen prompts.
 To reload the switch, press Q. The reloading process restarts.
 To exit the Boot Management menu, press E. The reloading process continues.
Chapter 5: Initializing the G8272
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