Enqueue data receives false ack

ChirpStack Application Server
1

I have two lorawan nodes, configued to same device profile.
when i enqueue data to node one from application server in browser or even through mqtt topic from any remote

  • data gets received and even ack frame have true in live device data stream in application server page.

when i enqueue data to node two from application server in browser or even through mqtt topic from any remote

2

Recently what is observed was

{ “confirmed”: false, “fPort”: 21, “data”: “aGVsbG8gd29ybGQ=” }

with this enqueue, as confirmed : false data is received in node. eventually only one published frame gets received out of four.(no ack frame seen in device data stream in application server page)

with

{ “confirmed”: true, “fPort”: 21, “data”: “aGVsbG8gd29ybGQ=” }

this enqueue , as confirmed field as ‘true’ always as i mentioned before.

3

now i have deleted my whole profiles from device and service and gateway everything.
And created everything new so now all devices doesnt get acknowledged :sob:

4

Finally found it. My end node device is seeeduino lorawan. I configured that device as Class C in device profile in lora-application-server webpage.
After untick of “Device supports Class-C”, now its working fine.