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FirmwareSanity is a RDK-B component that validates the firmware of the Broadband gateway. The gateway sets firmware validity flag to FALSE after downloading new firmware, prior to rebooting. If firmware validity flag is FALSE at boot, broadband gateway:

  1. Enables hardware watchdog timer as soon as Linux kernel executes and pings hardware watchdog timer every 15 seconds.
  2. Determines reachability of configurable URL (Xconf or other) and runs 60 minute timer, and if both reachability test and timer complete successfully, broadband gateway sets firmware validity flag to TRUE and boot count to 0.


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