Steph 3

• asked Oct 25, 2025

Filtering invalid / non-LoRaWAN packets with lorad > lorafwd > chirpstack-mqtt-forwarder (Kerlink iStation)

Hello ChirpStack team, I’m using a Kerlink iStation gateway with the following data flow: lorad > lorafwd (UDP, 127.0.0.1) > chirpstack-mqtt-forwarder (semtech enable) > ChirpStack Server (MQTT) Everything works well, but I’m recei...

feature-request configuration gateways chirpstack-mqtt-forwarder

0 votes

2 answers

171 views

André Ferreira 1

• asked Oct 24, 2025

InfluxDB v2 Integration Silently Stops Writing

Environment ChirpStack Version: 4.12 InfluxDB Version: v2 Integration: InfluxDB v2 (enabled at application level) Device Type: LoRaWAN water meter (daily transmissions) Device EUI: 8cf957200016a072 Problem Summary We are looking at a device...

troubleshooting integrations chirpstack

0 votes

1 answers

206 views

Abdullah Toprak 1

• asked Oct 24, 2025

Node-Red downlink doesn't work

Node-Red confirmed: true fPort: 7 data: "A94BAAEAAQAAAAA=" devEui: "00137a10000472c2" let buff = Buffer.from("03DE010001000100000000", 'hex'); let base64data = buff.toString('base64'); Node-Red msg.pa...

node-red

0 votes

2 answers

131 views

landinger 3

• asked Oct 24, 2025

Passive Roaming Activation

Does Chirpstack support Passive Roaming Activation? Thanks for response

chirpstack passive-roaming

0 votes

2 answers

243 views

5

• asked Oct 24, 2025

rfChain field

Hello, In the uplink messages I see rfChain field. I am using SX1303 based concentartors in my gateways. However I used mixed packet forwarders. Some use UDP and some use MQTT (Chirpstack gateway OS) Question is, sometimes it is missing. Is...

chirpstack

0 votes

1 answers

131 views

Doug Reese 5

• asked Oct 23, 2025

Error after upgrade: column device_profile.class_b_timeout does not exist

I upgrade my test environment from a pretty old ChirpStack version 4.7 to 4.15.0. Everthing looks okay, but I have this error message is the log: {code...} Should I have upgraded in multiple steps?

troubleshooting chirpstack

0 votes

1 answers

140 views

guillaume fernandez 1

• asked Oct 23, 2025

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

249 views

Orne Brocaar 1286

• asked Oct 23, 2025

ChirpStack Concentratord v4.5.3

v4.5.3 Features Add support for miromico_gwc_02_lw_868 and miromico_gwc_02_lw_915 modules. Improvements Update internal dependencies + tune feature flags.

announcements

0 votes

0 answers

65 views

Erik 1

• asked Oct 23, 2025

Separating sensors by Installation with Service Profile

We are currently using Chirpstack v3 but are soon going to upgrade to Chirpstack v4. Some Gateways should only be allowed to talk to certain sensors and it seems like this is possible by enabling Private Gateways and Configuring the Install...

chirpstack

0 votes

1 answers

97 views

Marco Ratto 1

• asked Oct 22, 2025

Received http2 header with status: 400, grpc_status:13

Hi, I'm running Chirpstack v4.15.0 on Red Hat Openshift. I'm trying to use the API with Python and gRPC but I have the following error: {code...}

troubleshooting api chirpstack

0 votes

1 answers

210 views