mqtt - How to test the `Mosquitto` server? - Stack Overflow
Nov 3, 2014 · I am new to Mosquitto and MQTT, I downloaded the Mosquitto server library but I do not know how to test it. Is there any way to test the Mosquitto server?
How do I subscribe to all topics of a MQTT broker
Oct 2, 2015 · I want to connect a client which will monitor all the topics of the broker to respond to the events when I don't know what are names of topic.
mqtt - Request all published topics - Stack Overflow
Mar 2, 2017 · I'm not saying I want to subscribe to everything. I'm just seeking to request all published topics. For instance, the broker could just response with an string array containing all the published …
c# - MQTT Client (MQTTnet) Not Successfully Subscribing to Topics ...
Feb 23, 2025 · I'm building a .NET service that connects to an EMQX broker using MQTTnet. While the client connects to EMQX, when I test sending messages through MQTTX (MQTT client tool), my …
Mosquitto MQTT: "Connection was lost" error when publishing a …
May 5, 2025 · I am trying to test MQTT functionality and have installed Eclipse Mosquitto on my workstation. To subscribe to a topic, I use the following command: "C:\\Program …
IoT: do I need to use MQTT or HTTP? - Stack Overflow
May 19, 2017 · MQTT is intended for situations where your connection may be intermittent or otherwise unreliable. Its various Quality-of-Service levels provide you with significant ways of ensuring that data …
MQTT: How many times per minute MQTT client polls the server?
Dec 6, 2015 · How many times per minute does the MQTT client poll the server? Is it a big data traffic or not? I know the size of the packet can be small, but how many times the client ping the broker to …
Cannot connecto MQTT from ESP32, using ESPHome config
Apr 4, 2025 · I am learning about MQTT and using ESP8266 with ESPHome, and I am facing a few issues as follows: mqtt: broker: xxxx.s1.eu.hivemq.cloud port: 8883 username: username password: …
Difference between MQTT and MODBUS protocol? - Stack Overflow
Jun 7, 2017 · MQTT started in 1999, large-scale network and internet becomes much more popular and more complex communication ways between software and devices are needed since then, like event …
MQTT: Mosquitto Broker and Sparkplug TCK - Stack Overflow
Broker Port: 9001 Broker Endpoint: /mqtt Client Id: tck-web-console Addendum: I was now able to connect the Mosquitto broker to the Sparkplug Test Compatibility Kit via websocket. Unfortunately, …