Today at 6:30 cet some of my devices 4 pcs, stopped sending payload. There is no port and no count on datalog. Are there any problems on the platform to your knowledge?

I did now move the devices to another platform, NASYS. All devices works smothly, so i am quite shure that something whent wrong in the TTN application.

[image] Cfosvang: All devices works smothly, so i am quite shure that something whent wrong in the TTN application. No. The only safe conclusion right now is that you still do not understand that the decision to re-join is the responsibility of the node and not the network. Whatever the act…

I have 2 years of metadata stored for the same purpose. My conclusion is that after the break -down the devices try to rejoin the platform. To some extent i guess that the app rejects the device possibly not recognized the port. When i restarted the device at another platform it joined immediatel…

One possibility is that there is an issue in the firmware that causes them to crash after a certain amount of time. Strictly not necessary but it’s a shame you didn’t try a new application with TTN, connecting them to a different platform still leaves many many questions unanswered. I guess we’ll …

[image] Cfosvang: I have 2 years of metadata stored for the same purpose. Then please use that data to answer the specific questions which were asked about it above. Not only is there no evidence of a break down, by itself, a break down cannot cause a join attempt. You need to understand w…

[image] Cfosvang: To some extent i guess that the app rejects the device possibly not recognized the port. There is no such thing as a port for an OTAA Join. If you’re referring to uplinks being faulty as the device used a specific port, then the same will happen on another network. Also, the…

[image] arjanvanb: Also, the device won’t know if TTN rejected a faulty uplink, unless you were using confirmed uplinks, which you should do sparsely. Confirmed uplink, while a bad idea, is not the only situation. Ordinary adaptive data rate needs to get a response occasionally or it will de…

metadata_5000.pdf (2.8 MB) attached a CSV file with a lot of metadata

The metadata is the same as it has always been, the devices has ben operating from the same place for a very long time. there was 4 devices and they all where placed at four different locations.

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