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TFTP Install Firmware From Loader

Created by dave. Last edited by dave, 6 years and 273 days ago. Viewed 4,725 times. #1
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TFTP Installing Firmware From The Loader

  • connect a console
  • reboot the device
  • interrupt the boot process when it says
    Press SPACE to abort autoboot
  • set U-boot environment (note that the gatewayip may not be necessary if you are on the same subnet as your tftp server)
=> setenv ipaddr
=> setenv netmask
=> setenv gatewayip
=> setenv serverip
=> saveenv
=> reset
  • the firewall reboots
  • let the boot pass through the autoboot prompt as above
  • interrupt the boot with the space bar when you see
    Hit [Enter] to boot immediately, or space bar for command prompt.
  • issue the install command at the loader prompt:
  • the firewall will boot the new kernel, format the partitions, then install the firmware. On a SRX320 this took in excess of 20 minutes to run.
  • the firewall will reboot into Amnesiac state.
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This is a collection of techical information, much of it learned the hard way. Consider it a lab book or a /info directory. I doubt much of it will be of use to anyone else.

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