Connect the device using console cable through Console Port. Please make note of the juniper firewall serial no. Since this will be used to login to the box.
Connect the device to the console CLI.
At the Login prompt, enter full device serial number.
At the Password prompt, enter the serial number again.
The following messageappears:
!!! Lost Password Reset !!! You have initiated a command to reset the device tofactory defaults, clearing all current configuration and settings. Would you like tocontinue?
Press the "y" key. The following message appears:
!! Reconfirm Lost Password Reset !! If you continue, the entire configuration of thedevice will be erased. In addition, a permanent counter will be incremented tosignify that this device has been reset. This is your last chance to cancel thiscommand. If you proceed, the device will return to factory default configuration,which is: device IP: 192.168.1.1; username: netscreen, password: netscreen.Would you like to continue?
Press the "y" key to reset the device.