Subject: Issue with Downlink in Multicast Mode on RAK 3172 End Node (ABP, Class C, AS923_2)

ChirpStack (v4)
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Hello everyone,

I’m currently using an end node RAK 3172 along with two types of gateways: the Dragino DLS08 (outdoor) and the RAK 7249. The end node operates in ABP mode, Class C, on AS923_2, using example code shown in Figure 1. Uplink data transmission to the ChirpStack Server works as expected.

However, when I enable Multicast, the end node is unable to receive downlink packets. I’ve attempted to push the downlink messages using the API queue as per the documentation.

Could any experts here advise on a solution? Your assistance would be greatly appreciated.

Thank you in advance!

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Does your LoRaWAN_Multicast example from RAK hit “Add Multicast failed”?
The api.addmulc of RAK has some bugs.

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