Gateway last seen - never seen

Gateways
1

I’m having problem where my gateway show last seen never and I noticed when i do

  1. cd chirpstack-docker
  2. sudo docker ps
  3. sudo docker exec -it chirpstack-docker-mosquitto-1 sh
  4. mosquitto_sub -t “#” -v

it doesn’t show any messages.

Any help is kindly appreciated.

2

Hello,

If I do that, I got this

mosquitto_sub -t "#" -v
eu868/gateway/ac1f09fffe0caacd/state/conn �ac1f09fffe0caacd
eu868/gateway/ac1f09fffe0cad1d/state/conn �ac1f09fffe0cad1d
eu868/gateway/ac1f09fffe0cadbb/state/conn �ac1f09fffe0cadbb
eu868/gateway/ac1f09fffe0cade7/state/conn �ac1f09fffe0cade7

� is normal it’s raw binary from grpc

Are you sure if your gateway successfully connected on your broker ?

3

In your gateway try this after restarting chirpstack-mqtt-forwarder

logread -f -l 50 -e chirpstack-mqtt-forwarder

I got that

Wed Dec 18 09:11:27 2024 user.info chirpstack-mqtt-forwarder[19482]: Starting ChirpStack MQTT Forwarder (version: 4.3.1, docs: https://www.chirpstack.io/)
Wed Dec 18 09:11:27 2024 user.info chirpstack-mqtt-forwarder[19482]: Setting up ChirpStack Concentratord backend
Wed Dec 18 09:11:27 2024 user.info chirpstack-mqtt-forwarder[19482]: Setting up ChirpStack Concentratord backend
Wed Dec 18 09:11:27 2024 user.info chirpstack-mqtt-forwarder[19482]: Connecting to Concentratord event API, event_url: ipc:///tmp/concentratord_slot1_event
Wed Dec 18 09:11:27 2024 user.info chirpstack-mqtt-forwarder[19482]: Connecting to Concentratord command API, command_url: ipc:///tmp/concentratord_slot1_command
Wed Dec 18 09:11:27 2024 user.info chirpstack-mqtt-forwarder[19482]: Reading gateway id
Wed Dec 18 09:11:27 2024 user.info chirpstack-mqtt-forwarder[19482]: Received gateway id, gateway_id: ac1f09fffe0caacd
Wed Dec 18 09:11:27 2024 user.info chirpstack-mqtt-forwarder[19482]: Received Gateway ID from backend, gateway_id: ac1f09fffe0caacd
Wed Dec 18 09:11:28 2024 user.info chirpstack-mqtt-forwarder[19482]: Configuring client with TLS certificate, ca_cert: /var/etc/chirpstack-mqtt-forwarder-slot1/ca.pem, tls_cert: /var/etc/chirpstack-mqtt-forwarder-slot1/cert.pem, tls_key: /var/etc/chirpstack-mqtt-forwarder-slot1/key.pem
Wed Dec 18 09:11:28 2024 user.info chirpstack-mqtt-forwarder[19482]: Starting MQTT event loop
Wed Dec 18 09:11:28 2024 user.info chirpstack-mqtt-forwarder[19482]: Subscribing to command topic, topic: eu868/gateway/ac1f09fffe0caacd/command/+
Wed Dec 18 09:11:28 2024 user.info chirpstack-mqtt-forwarder[19482]: Sending conn state, topic: eu868/gateway/ac1f09fffe0caacd/state/conn
4

Are you using the gateway bridge or the MQTT forwarder? On gateway or on server? Share it’s configuration if it’s on the gateway, otherwise share the gateways UDP forwarder configuration.

5

Im using the default chirpstack-gateway-bridge

[integration.mqtt.auth.generic]
servers=[“tcp://mosquitto:1883”]
username=“”
password=“”

6

Sure, but on the server then? What type of gateway are you using? Is your gateways UDP packet forwarder configured to the right endpoint?

If so could be a firewall issue.