SN - How can I update a SmartNode 4xxx and SN-DTA in redboot mode ?
Posted by Elena Brambilla, Last modified by Daniel Lizaola on 11 March 2020 12:04 PM

For the units SN4660/70 and SN4970/80/90 the following procedure applies, to recover from bootloader mode. --> U-Boot Article

 



If a firmware update fails, or the reset button is held for more than 5 seconds, the SmartNode will enter the redboot mode. Connect a computer to the console interface and restart the SmartNode. You will see the Prompt "RedBoot".  Follow the steps below to restore your SmartNode.

 

Method 1:

From the console interface, enter these commands.

  • RedBoot> fis load
  • RedBoot> go -s factory-config

Method 2: 

  • Reset and how to access the bootloader/redboot Restart the unit with the current startup configuration—Press (for less than 1 second) and release the Reset button to restart the unit with the current startup configuration.
    • The reset button has three functions:
  • Restart the unit with factory default configuration—Press the Reset button for 5 seconds until the Power LED starts blinking to restart the unit with factory default configuration.
  • Restart the unit in bootloader mode (to be used only by trained SmartNode technicians)— Starting with the unit powered off, press and hold the Reset button as you apply power to the unit. Release the Reset button when the Power LED starts blinking so the unit will enter bootloader mode.
  • Download the required .bin file at:

** Default IP Address WAN port 172.16.40.1 netmask 255.255.0.0 for SmartNodes without console port **

** Some SmartNode devices, such as the SN4112s, use port 9000 for Telnet instead of port 23 **

  • Type in 'fis list'
  • If there is an entry type 'fis delete -n 1'

 

Optional:

  • Set the IP address using
    • 'ip_address -l (ip-address)/(masklength) -g (gateway-address)'
  • Load the new firmware
    • For the SN4xxx / SN-DTA Series (SN4110, SN4520, SN4120, SN-DTA, SN4600, SN4960)
      'load -r -b 0x1800100 -h (ip-address) /image.bin' 
    • For the SN4552, SN4554, SN4562, S-DTA
      'load -r -b 0xc00100 -h (ip-address) /image.bin'

** Replace (ip-address) with the ip-address of your tftp-server. **

  • Program the firmware into the flash with the command 'fis create' when prompted type 'yes'
  • Load the new firmware with 'fis load'
  • Restart the smartnode with 'go'
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