rimelink 1

• asked Nov 16

Device does not receive multicast downlink

Can ChirpStack send messages to a specific member within a multicast group through the UI interface?

chirpstack multicast

0 votes

2 answers

14 views

rimelink 1

• asked Nov 16

Parameters for LORAWAN multicast setting

I am currently CLASSC of US915. The frequency point set by chirpstack is as shown in the left figure of the following picture. I would like to know if the multicast settings are filled with 923300000Hz and DR_10. l

chirpstack multicast

0 votes

2 answers

11 views

Đức Thuận 1

• asked Nov 15

Downlink does not always reach end-device (UC100 + 8-channel Modbus Relay)

Hello everyone, I am having an issue with downlink: I have a UG65 Gateway and a UC100 IoT Controller.I have added them to ChirpStack. On the UC100, I have connected an 8-channel Modbus Relay device to the RS485 port. However, when I send he...

troubleshooting devices chirpstack

0 votes

1 answers

29 views

Orne Brocaar 397

• asked Nov 14

Class B Downlinks not scheduled for right time in chirpstack

Hi Everyone, @brocaar I have been trying to work with lorawan network for class B, So basically when i am scheduling downlink for class B using chirpstack so it is sent to the gateway with tmms (consider 1447146208.530) and packet forwarder...

chirpstack class-b

0 votes

0 answers

16 views

john 1

• asked Nov 14

Gateway(s) Rejects Class-B package's, "Packet REJECTED, timestamp seems wrong, too much in advance"

Hey, I am trying to get Class-B working. After converting from ChirpStack v3 to v4, this problem showed up. When using Class-B (including multicast group Class-B or FUOTA Class-B), the messages fail to transmit correctly — they’re being rej...

chirpstack-mqtt-forwarder chirpstack tektelic class-b

0 votes

2 answers

77 views

Orne Brocaar 397

• asked Nov 13

No channel found for frequency

I have a ChirpStack server in the EU and one in the US. They are configured the same. There are 3 regions enabled: eu868, us915_1, us915_7 There are two message brokers, one in the US and one in the EU. Gateways in the EU connect to the EU ...

troubleshooting chirpstack

0 votes

1 answers

18 views

Orne Brocaar 397

• asked Nov 13

Enable Class C after join

I have a Device ("Eastron SDM630MCT"). I set up the device without Class C enabled, as I didn't need to send Downlinks. But now I do. I enabled Class-C in the Device Profile and sent a Downlink. The Downlink is not sent immediat...

chirpstack class-c

0 votes

1 answers

21 views

Orne Brocaar 397

• asked Nov 13

Endpoint http://<my host service addr>/api does not exist

Why can&#39;t I access the address http(s)://:8080/api? I noticed that other users were able to access it before.

api chirpstack

0 votes

1 answers

24 views

rimelink 1

• asked Nov 13

JoinRequest–JoinAccept loop

This is a repost from the forum, as the original topic didn’t seem to get enough visibility and we’re still experiencing the issue. Original topic: [https://forum.chirpstack.io/t/lost-join-accept-on-gateway-bridge/25647] Some devices that w...

troubleshooting devices gateways chirpstack

0 votes

3 answers

55 views

rimelink 1

• asked Nov 13

Burst of "None of the device-sessions for dev_addr resulted in valid MIC " failures after a gateway came back online

Context Platform: ChirpStack v4.3.0 (NS + AS), EU868 region Integrations: Redis (sessions + streams), MQTT enabled MQTT replay: max_inflight_messages = 1, qos = 1 on the gateway side + patch gateway/backend/mqtt.rs {code...}

troubleshooting chirpstack

0 votes

3 answers

33 views