Changes for page MQTT Forward Instruction

Last modified by Kilight Cao on 2024/08/31 16:26
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From version < 8.1 >
edited by Xiaoling
on 2022/05/27 13:49
To version < 14.2 >
edited by Xiaoling
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263 263  
264 264  This section is an example to show how to set up LG01-N to communicate with a MQTT server. The MQTT server is a simple utility set up in a local PC. Note: User can set up same server via [[this instruction>>url:http://www.steves-internet-guide.com/install-mosquitto-broker/]].
265 265  
266 +
266 266  == 4.2 Simulate via MQTT.fx utility ==
267 267  
268 268  The [[MQTT.fx>>url:http://mqttfx.jensd.de/index.php/download]] is a MQTT client tool. We can use this to simulate a MQTT connection to our MQTT broker first to make sure the MQTT broker works. This will also help us understand how it works.
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271 271  In this test, the MQTT broker and MQTT.fx are installed in the same PC, so the MQTT server address in MQTT.fx should be localhost. Below shows how to connect to the server.
272 272  )))
273 273  
274 -[[image:https://wiki.dragino.com/images/thumb/0/06/MQTT_Forward_4.png/600px-MQTT_Forward_4.png||height="201" width="600"]]
275 +[[image:image-20220527134929-6.png]]
275 275  
276 276  Connect to MQTT Broker
277 277  
279 +
278 278  After connected, use publish to public some thing to MQTT server. This to simulate upsteam
279 279  
280 -[[image:https://wiki.dragino.com/images/thumb/b/bd/MQTT_Forward_5.png/600px-MQTT_Forward_5.png||height="149" width="600"]]
282 +[[image:image-20220527135037-7.png]]
281 281  
282 282  Upstream: Publish message to MQTT Broker
283 283  
286 +
284 284  To simulate a downstream, use MQTT.fx to subscribe a topic, and publish something to this topic. as Below:
285 285  
286 -[[image:https://wiki.dragino.com/images/thumb/3/3d/MQTT_Forward_6.png/600px-MQTT_Forward_6.png||height="279" width="600"]]
289 +[[image:image-20220527135215-8.png]]
287 287  
288 288  Downstream: Subscribe a topic to get downstream
289 289  
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295 295  In the Dragino Gateway, we use [[mosquitto client>>url:https://mosquitto.org/]] for MQTT connection.
296 296  
297 297  
298 -(% class="mark" %)**For Upstream**
301 +(% style="color:#4f81bd" %)**For Upstream**
299 299  
300 300  command is [[mosquitto_pub>>url:https://mosquitto.org/man/mosquitto_pub-1.html]]
301 301  
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303 303  
304 304  Note: 192.168.199.148 is MQTT broker address, the gateway and the MQTT broker PC are in the same network.
305 305  
306 -[[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]]
307 307  
308 308  mosquitto_pub
309 309  
310 310  
311 -(% class="mark" %)**For Downstream**
314 +(% style="color:#4f81bd" %)**For Downstream**
312 312  
313 313  Use [[mosquitto_sub>>url:https://mosquitto.org/man/mosquitto_sub-1.html]] to subscribe the change on the topic.
314 314  
315 -[[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]]
316 316  
317 317  mosquitto_sub
318 318  
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322 322  This chapter are step by step to show to configure the Dragino Menu for MQTT auto connection.
323 323  
324 324  (((
325 -Go to (% class="mark" %)**Dragino Menu ~-~-> MQTT Client**
328 +Go to (% style="color:#4f81bd" %)**Dragino Menu ~-~-> MQTT Client**
326 326  )))
327 327  
328 328  [[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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330 330  go to mqtt configure menu
331 331  
332 332  (((
333 -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.
334 334  )))
335 335  
336 -[[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]]
337 337  
338 338  forward to MQTT
339 339  
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351 351  ~/~/DATA: The data stores in /var/iot/channels/
352 352  )))
353 353  
354 -[[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]]
355 355  
356 356  MQTT Publish configure
357 357  
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