Jason Reiss

You are seeing the same packet from the same device on multiple channels. Only one of the channels is correct as the device can only use one channel to transmit....

The network server will confirm the packet in a response downlink. The packet forwarder does not have the Session Keys to authenticate uplink or author downlink packets.

Search for AckTimeout in src/mac/LoRaMac.c The packet confirmation is handled by the network server and end-devices. The method is provided by the LoRaWAN protocol. You should not expect to find...