NOTE: The CONFIGURATION mode lock corresponds to a VTY session, not a user. Therefore, if youconfigure a lock and then exit CONFIGURATION mode, and another user enters CONFIGURATIONmode, when you attempt to re-enter CONFIGURATION mode, you are denied access even thoughyou are the one that configured the lock.NOTE: If your session times out and you return to EXEC mode, the CONFIGURATION mode lock isunconfigured.Recovering from a Forgotten Password on the Z9000SystemIf you configure authentication for the console and you exit out of EXEC mode or your console sessiontimes 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 keyNOTE: You must enter the CLI commands. The system rejects them if they are copied andpasted.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 theenvironment.grub>set stconfigignore=truegrub>save_env stconfigignoregrub>reboot6. The Z9000 boots up with the factory default configuration. The default Dell Networking OS systemprompt 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 modecopy flash://startup-config running-config8. Display the content of the startup-config.EXEC Privilege modeshow running-config9. Remove the previous authentication configuration.config t10. Set the new authentication parameters. The remainder of the previous configuration is preserved.Management 75
