Recovering From A Forgotten Password On The Z9000 System - Dell Z9000 Configuration Manual

NOTE: The CONFIGURATION mode lock corresponds to a VTY session, not a user. Therefore, if you
configure a lock and then exit CONFIGURATION mode, and another user enters CONFIGURATION
mode, when you attempt to re-enter CONFIGURATION mode, you are denied access even though
you are the one that configured the lock.
NOTE: If your session times out and you return to EXEC mode, the CONFIGURATION mode lock is
unconfigured.
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.
Management
75