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298	298	In the Dragino Gateway, we use [[mosquitto client>>url:https://mosquitto.org/]] for MQTT connection.
299	299
300	300
301		-(% class="mark" %)**For Upstream**
	301	+(% style="color:#4f81bd" %)**For Upstream**
302	302
303	303	command is [[mosquitto_pub>>url:https://mosquitto.org/man/mosquitto_pub-1.html]]
304	304
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306	306
307	307	Note: 192.168.199.148 is MQTT broker address, the gateway and the MQTT broker PC are in the same network.
308	308
309		-[[image:https://wiki.dragino.com/images/thumb/d/d0/MQTT_Command_6.png/600px-MQTT_Command_6.png||height="188" width="600"]]
	309	+[[image:image-20220527135310-9.png]]
310	310
311	311	mosquitto_pub
312	312
313	313
314		-(% class="mark" %)**For Downstream**
	314	+(% style="color:#4f81bd" %)**For Downstream**
315	315
316	316	Use [[mosquitto_sub>>url:https://mosquitto.org/man/mosquitto_sub-1.html]] to subscribe the change on the topic.
317	317
318		-[[image:https://wiki.dragino.com/images/thumb/8/89/MQTT_Command_7.png/600px-MQTT_Command_7.png||height="267" width="600"]]
	318	+[[image:image-20220527135440-10.png]]
319	319
320	320	mosquitto_sub
321	321
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325	325	This chapter are step by step to show to configure the Dragino Menu for MQTT auto connection.
326	326
327	327	(((
328		-Go to (% class="mark" %)**Dragino Menu ~-~-> MQTT Client**
	328	+Go to (% style="color:#4f81bd" %)**Dragino Menu ~-~-> MQTT Client**
329	329	)))
330	330
331	331	[[image:https://wiki.dragino.com/images/thumb/b/bc/MQTT_Command_8.png/600px-MQTT_Command_8.png||height="249" width="600"]]
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333	333	go to mqtt configure menu
334	334
335	335	(((
336		-Select **Forward to MQTT server**. (% class="mark" %)**Notice**(%%): This option is removed from the latest firmware, in the latest firmware, if user submit "SAVE & APPLY" in MQTT page, the gateway will use MQTT service.
	336	+Select (% style="color:#4f81bd" %)**Forward to MQTT server**. (% style="color:red" %)**Notice**(%%): This option is removed from the latest firmware, in the latest firmware, if user submit "SAVE & APPLY" in MQTT page, the gateway will use MQTT service.
337	337	)))
338	338
339		-[[image:https://wiki.dragino.com/images/thumb/1/14/MQTT_Commands_8.png/600px-MQTT_Commands_8.png||height="240" width="600"]]
	339	+[[image:image-20220527135742-11.png]]
340	340
341	341	forward to MQTT
342	342
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354	354	~/~/DATA: The data stores in /var/iot/channels/
355	355	)))
356	356
357		-[[image:https://wiki.dragino.com/images/thumb/c/c7/MQTT_Command_9.png/600px-MQTT_Command_9.png||height="385" width="600"]]
	357	+[[image:image-20220527135828-12.png]]
358	358
359	359	MQTT Publish configure
360	360
361	361
362		-[[image:https://wiki.dragino.com/images/thumb/b/b7/MQTT_Command_10.png/600px-MQTT_Command_10.png||height="544" width="600"]]
	362	+[[image:image-20220527135929-13.png]]
363	363
364	364	MQTT Channel settings
365	365
	366	+
366	366	(((
367	367	For example, if we put a data(temp=46) on the file /var/iot/channels/4567, because 4567 match the remote channel 78901. the gateway will run this command:
368	368	)))
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381	381	Below is a simulation to put this data to active the MQTT publish.
382	382	)))
383	383
384		-[[image:https://wiki.dragino.com/images/thumb/3/30/MQTT_Command_11.png/600px-MQTT_Command_11.png||height="308" width="600"]]
	385	+[[image:image-20220527140023-14.png]]
385	385
386	386	MQTT Publish
387	387
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395	395	mosquitto_sub -h 192.168.199.148 -p 1883 -i dragino-1b7060 -t command.
396	396	)))
397	397
398		-[[image:https://wiki.dragino.com/images/3/36/MQTT_Command_12.png||height="173" width="579"]]
	399	+[[image:image-20220527140100-15.png]]
399	399
400	400	MQTT Subscribe
401	401

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