Ignoring The Startup Configuration And Booting From The Factory-Default Configuration; Recovering From A Failed Start - Dell C9000 Series Networking Configuration Manual

EXEC Privilege mode
copy running-config startup-config
Ignoring the Startup Configuration and
Booting from the Factory-Default
Configuration
If you do not want to do not want to boot up with your current startup configuration and do not want to
delete it, you can interrupt the boot process and boot up with the C9000 series factory-default configuration.
To boot up with the factory-default configuration:
1 Log onto the system using the console.
2 Power-cycle the chassis by disconnecting and then reconnecting the power cord.
3 During bootup, press Esc when prompted to abort the boot process.
You enter Boot-Line Interface (BLI) mode at the BOOT_USER# prompt.
4 At the BLI prompt, set the system parameter to ignore the startup configuration and reload the system:
BOOT_USER# ignore startup-config
BOOT_USER# reload
NOTE: You must manually enter each CLI command. The system rejects a command if you copy
and paste it in the command line.

Recovering from a Failed Start

A switch that does not start correctly might be trying to boot from a corrupted Dell Networking OS image or
from a mis-specified location.
In this case, you can restart the system and interrupt the boot process to point the system to another boot
location.
1 Power-cycle the chassis (pull the power cord and reinsert it).
2 During bootup, press the ESC key when this message appears: Press Esc to stop autoboot...
You enter Boot-Line Interface (BLI) mode at the BOOT_USER# prompt.
3 At the BLI prompt, set the system parameter to ignore the enable password and reload the system:
BOOT_USER mode
BOOT_USER# boot change primary
You are prompted to enter a valid boot device (for example, ftp o r tftp) and a path or filename for the
Dell Networking OS image that you want to use.
4 (Optional) Set the secondary and default boot locations by entering the following commands:
Switch Management 88