1. Power off the device by pressing the power button on the front panel and reboot the device.
  2. Turn on the power to the management device.
  3. Power on the device by pressing the power button on the front panel. Verify that the POWER LED on the front panel turns green.The terminal emulation screen on your management device displays the device’s boot sequence.
  4. When the autoboot is completed, press the spacebar a few times to access the bootstrap loader prompt.
  5. At the following prompt, enter boot -s to start up the system in single-user mode.
    loader>boot -s
  6. At the following prompt, enter recovery to start the root procedure.
  7. Enter full pathname of shell or 'recovery' for root password recovery or RETURN for /bin/sh: recovery
  8. Enter configuration mode in the CLI.
  9. Set the root password. For example:
    user@host# set system root-authentication plain-text-password

    For more information about configuring the root password, see the System Basics Configuration Guide.

  10. At the following prompt, enter the new root password. For example:
    New password: juniper1
    Retype new password:
  11. At the second prompt, reenter the new root password.
  12. If you are finished configuring the network, commit the configuration.
    root@host# commit
    commit complete
  13. Exit configuration mode in the CLI.
  14. Exit operational mode in the CLI.
  15. At the prompt, enter y to reboot the device.
    Reboot the system? [y/n] y
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