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1		-XWiki.Xiaoling
	1	+XWiki.Kilight

Content

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1		-**~ Table of Contents：**
	1	+**~ Contents：**
2	2
3	3	{{toc/}}
4	4
5	5
6		-= 1.  Introduction =
	6	+= 1. Introduction =
7	7
8		-
9	9	Dragino LoRa/LoRaWAN gateway support MQTT forwarding. It can forward the sensor data from LoRa network to MQTT server , and vice verse.
10	10
11	11
12		-== 1.1  Support Devices ==
	11	+== 1.1 Support Devices ==
13	13
14		-
15	15	This MQTT forward instruction is for below devices:
16	16
17	17	* Firmware Version > LG02_LG08-5.3.1580178039 [[Firmware Download>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LPS8/Firmware/Release/]]
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23	23	* MS14 series if installed with the same firmware. (in this case, the MQTT forward will work , but no LoRa support)
24	24
25	25
	24	+= 2. Firmware Change Log for MQTT feature =
26	26
27		-
28		-= 2.  Firmware Change Log for MQTT feature =
29		-
30		-
31	31	(((
32	32	This instruction is wrote start from LG02_LG08-5.3.1580178039. Below is related change log since this version of firmware.
33	33	)))
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36	36	** Initiate version
37	37
38	38
	34	+= 3. MQTT forward operating principle =
39	39
	36	+== 3.1 Network Structure ==
40	40
41		-= 3.  MQTT forward operating principle =
42		-
43		-
44		-== 3.1  Network Structure ==
45		-
46		-
47	47	Below shows the network structure for MQTT forwarding.
48	48
49		-* **For Uplink:**  The sensor sends data to LoRa Gateway via LoRa wireless, The gateway will process these data and forward to remote MQTT Broker via Internet.
50		-* **For Downlink:** The gateway subscribe a topic in the MQTT broker, when there is update on the topic, the gateway will know and broadcast the data to Local LoRa network,
	40	+* For Uplink: The sensor sends data to LoRa Gateway via LoRa wireless, The gateway will process these data and forward to remote MQTT Broker via Internet.
	41	+* For Downlink: The gateway subscribe a topic in the MQTT broker, when there is update on the topic, the gateway will know and broadcast the data to Local LoRa network,
51	51
52	52	[[image:image-20220527133547-1.png]]
53	53
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112	112	* USERNAME: User ID (-u)
113	113	* HOSTNAME: Device Hostname
114	114
	106	+
115	115	=== 3.3.2 -m message macro ===
116	116
117	117	* HOSTNAME: Device Hostname
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120	120	* META: Completely sensor data with time stamp and rssi
121	121	* JSON: Convert META to json format.
122	122
	115	+
123	123	=== 3.3.3 Example for Macro ===
124	124
125	125	[[image:image-20220527134251-4.png]]