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Recovering from a Forgotten Password on the Z9000
System
If you configure authentication for the console and you exit out of EXEC mode or your console session times out, you are
prompted for a password to re-enter.
If you forget your password, use the following commands.
1. Log onto the system using the console.
2. Power-cycle the chassis by disconnecting and.then reconnecting the power cord.
3. Press Esc when prompted to abort the boot process.
(during bootup)
hit any key
NOTE: You must enter the CLI commands. The system rejects them if they are copied and pasted.
4. The Grub menu displays.
Enter c to get to the Grub boot load command line grub> prompt.
5. Set the system parameters to ignore the enable password when the system reloads and reboot the environment.
grub>set stconfigignore=true
grub>save_env stconfigignore
grub>reboot
6. The Z9000 boots up with the factory default configuration. The default Dell Networking OS system prompt displays when
the system boot up is complete.
NOTE: Do not press any keys during the boot-up process.
7. Copy the startup-config into the running-config.
EXEC Privilege mode
copy flash://startup-config running-config
8. Display the content of the startup-config.
EXEC Privilege mode
show running-config
9. Remove the previous authentication configuration.
config t
10. Set the new authentication parameters. The remainder of the previous configuration is preserved.
no enable password
enable password [newpassword]
exit
11. Save the running-config to the startup-config in flash by default.
write-mem
12. Save the running-config.
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 Z9500 factory-default configuration.
To boot up with the factory-default configuration:
Management
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