@alexeinz figured it out, apparently had to add experimental and get latest mosquitto for the conf file to work correctly , now the bridge is working perfectly --- broker.conf file in /etc/mosquitto/conf.d the topics coming from gw will appear under sensor/# on mosquitto connection MMQTTtoSensor address <-gw ip clientid MyMQTT cleansession true notifications true topic # in 2 sensor/ MyMQTT/