...
RediGate 100/400 is having trouble connecting to the MQTT broker. Common error messages seen the diagnostics:
20 13:30:31.35 MQttCLN0: Started RxTimeout[4]=37500
20 13:30:41.42 MQttCLN0: Closed TCP socket 127.0.0.1:1883
20 13:30:41.42 MQttCLN0: Socket receive error(-1)!!!!!
Troubleshooting Techniques
...