Port for the wifi connection not open if connected to LTE first?

[Banegio]

[Firmware v1.004]

I recently installed the dashdam but am still waiting for the delivery of the battery pack. So I have been keeping engine running to simulate parking mode and trying to set up a script to download the clips via home wifi.

I have setup a static ip for the dashcam on the home router e.g. http://192.168.123.456/

(Scenario 1)

• Start the car at home; hence the dashcam starts with the home wifi in range
• I can see the dash cam is connected to the home LAN
• Able to access http://192.168.123.456/blackvue_vod.cgi as expected. Able to download from e.g. http://192.168.123.456/Record/20200913_144400_NF.mp4
• Using a port scanner, port 80 is open with http

(Scenario 2)

• Start the car away from home; hence the dashcam starts out of the range of home wifi
• Drive home
• Wait about 3 minutes; I receive the cloud notification of the dashcam disconnected and then notification of connected.
  • I can see the dash cam is connected to the home LAN at http://192.168.123.456/
  • So the dashcam does prioritise and switch to the wifi connection (cloud hotspot) if available
• Unable to access http://192.168.123.456/blackvue_vod.cgi
• Using a port scanner, no port is open
• I can access the dashcam via Blackvue Cloud on Android app or Windows viewer
  • If I download clips via Windows viewer, I can see traffic going through http://192.168.123.456/
  • Double checking LTE data usage, the download definitely didn't use the LTE data

Maybe some with wifi packet capture setup can help to figure this out?

 

[linux_rideshare]

Consider creating a ssh tunnel from home to.the dash am thus leaving a persistent connection regardless of home or roaming wifi. Or have the 750lte use the wifi hotspot2/3 section for a in car wifi hotspot setup to have a tunnel home.