Changes for page Notes for ChirpStack

Last modified by Kilight Cao on 2024/09/24 15:23
<
From version < 135.1 >
edited by Kilight Cao
on 2023/04/15 16:52
To version < 82.1 >
edited by Xiaoling
on 2022/05/26 09:04
>
Change comment: Uploaded new attachment "image-20220526090446-3.png", version {1}

Summary

Details

Page properties
Author
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1 -XWiki.Kilight
1 +XWiki.Xiaoling
Content
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1 -**~ Table of Contents:**
1 +**~ Contents:**
2 2  
3 3  {{toc/}}
4 4  
5 += 1. Introduction =
5 5  
6 -
7 -
8 -= 1.  Introduction =
9 -
10 -
11 11  (% style="color:black" %)The ChirpStack open-source LoRaWAN Network Server stack provides open-source components for LoRaWAN networks And the Chirpstack supports the users in building a private LoRaWAN Server. For more info please refer to this [[link>>url:https://www.chirpstack.io/]]
12 12  
13 13  (((
14 14  (% style="color:black" %)The dragino gateway can connect the ChirpStack server via Semtech UDP or Semtech Basic Station.
15 -
16 -
17 17  )))
18 18  
19 -(% style="color:blue" %)**Prerequisite:**
13 +**Prerequisite**
20 20  
21 -**1) Have a Chirstack Server.**
15 +1) Have a Chirstack Server.
22 22  
23 23  [[image:image-20220525100058-1.png]]
24 24  
... ... @@ -25,139 +25,110 @@
25 25  ChirpStack home page
26 26  
27 27  
22 +2) Gateway model support
28 28  
29 -**2) Gateway model support**
30 -
31 31  (% class="box" %)
32 32  (((
33 33  (((
34 34  Semtech UDP : **All Model**
35 -Basic Station : [[LIG16>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/171-lig16.html]], [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]], [[DLOS8>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/160-dlos8.html]] [[LPS8>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/148-lps8.html]]
36 -(% style="color:red" %)**Note** (%%): the firmware needs >[[lgw~~-~~-build-v5.4.1640315898>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LPS8/Firmware/Release/]]  if use the Bais station
28 +Basic Station : , , 
29 +**Note** : the firmware needs >  if use the Bais station
37 37  )))
38 38  )))
39 39  
33 += 2. Semtech UDP =
40 40  
41 -= 2.  Semtech UDP =
35 +== 2.1 Step 1. Add the Network-servers ==
42 42  
43 -== 2.1  Step 1. Add the Network-servers ==
44 -
45 -
46 46  The network-Servers address varies depending on the ChirpStack server setup environment
47 47  
48 48  (% class="box" %)
49 49  (((
50 - Windows       ~-~->  Network-server server *  :  localhost:8000
51 - Linux  ~-~->  Network-server server *  :  chirpstack-network-server:8000
41 + Windows       ~-~->Network-server server * : localhost:8000
42 + Linux         ~-~->Network-server server * : chirpstack-network-server:8000
52 52  )))
53 53  
45 +If the user cannot add network-Servers, re-check the ChirpStack code or the server building process.
54 54  
55 -(% style="color:red" %)**If the user cannot add network-Servers, re-check the ChirpStack code or the server building process.**
47 +[[image:image-20220525100158-2.png]]
56 56  
57 -
58 -[[image:image-20220531171609-1.png]]
59 -
60 60  Add the Network-servers
61 61  
51 +== 2.2 Step 2. Create Gateway-profiles ==
62 62  
63 -== 2.2  Step 2. Create Gateway-profiles ==
53 +[[image:image-20220525100255-3.png]]
64 64  
65 -
66 -[[image:image-20220531171651-2.png]]
67 -
68 68  Create Gateway-profiles
69 69  
57 +== 2.3 Step 3. Create Service-profiles ==
70 70  
71 -== 2.3  Step 3. Create Service-profiles ==
59 +[[image:image-20220525100322-4.png]]
72 72  
73 -
74 -[[image:image-20220531171809-3.png]]
75 -
76 76  Create Service-profiles
77 77  
78 -
79 79  In Step 3. Create Service-profiles, the above parameters can be set. If necessary, you can set them by yourself. This is only an example.
80 80  
81 81  (% style="color:red" %)**Note : Before add the gateway, the user needs to complete the preceding three steps.**
82 82  
83 -If the user has completed the preceding steps, proceed to the next step.(% style="display:none" %)
67 +If the user has completed the preceding steps, proceed to the next step.
84 84  
69 +== 2.4 Step 4. Add the gateway ==
85 85  
86 -== 2.4  Step 4. Add the gateway ==
87 -
88 -
89 89  The example gateway id is: a840411e96744150
90 90  
91 91  (((
92 92  (% style="color:red" %)**Note : The Gateway EUI and server addresses must match the ChirpStack configuration.**
93 -
94 -
95 95  )))
96 96  
97 -[[image:image-20220531171923-4.png]](% style="display:none" %)
77 +[[image:image-20220525100350-5.png]]
98 98  
99 99  Add the gateway
100 100  
81 +[[image:image-20220525100417-6.png]]
101 101  
102 -
103 -[[image:image-20220531172031-5.png]]
104 -
105 105  Configure the gateway
106 106  
85 +== 2.5 Step 5. Checking gateway Status ==
107 107  
108 -== 2.5  Step 5. Checking gateway Status ==
87 +[[image:image-20220525100448-7.png]]
109 109  
110 -
111 -[[image:image-20220531172158-6.png]](% style="display:none" %)
112 -
113 -
114 -
115 115  gateway Status
116 116  
117 -[[image:image-20220531172304-7.png]]
91 +[[image:image-20220525100516-8.png]]
118 118  
119 119  gateway Status
120 120  
95 += 3. Gateway Registration for Basics Station =
121 121  
122 -= 3.  Gateway Registration for Basics Station =
97 +== Introduction ==
123 123  
124 -== 3.1  Introduction ==
125 -
126 -
127 127  The [[Semtech Basic Station>>url:https://doc.sm.tc/station/]] backend implements the [[LNS protocol>>url:https://doc.sm.tc/station/tcproto.html]]. It exposes a WebSocket handler to which Basic Station powered gateways can connect.
128 128  
129 129  ChirpStack Open-Source LoRaWAN® Network Server needs to set up a configuration that can use Semtech BasicStation.
130 130  
103 +**Below list the support products and Requirements:**
131 131  
132 -(% style="color:blue" %)**Below list the support products and Requirements:**
133 -
134 134  1. LoRaWAN Gateway model: [[LIG16>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/171-lig16.html]], [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]], [[DLOS8>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/160-dlos8.html]] ,[[LPS8>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/148-lps8.html]]
135 135  1. Firmware version since :[[lgw~~-~~-build-v5.4.1651822913>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LPS8/Firmware/Test_Firmware/lgw--build-v5.4.1651822913-20220506-1543/]]
136 136  
137 -(% style="color:blue" %)**How to set up chirpStack Basic Station**
108 +**How to set up chirpStack Basic Station**
138 138  
139 139  Users can check out the ChirpStack Basic Station [[link>>https://www.chirpstack.io/gateway-bridge/backends/basic-station/]] and [[forum>>https://forum.chirpstack.io/search?q=basic%20station]]
140 140  
112 +**What do you need to prepare**
141 141  
142 -(% style="color:blue" %)**What do you need to prepare**
143 -
144 144  A gateway that can access the internet normally
145 145  
116 +== 3.1 Add Gateway ==
146 146  
147 -== 3.2  Add Gateway ==
148 -
149 -
150 150  [[image:image-20220524164205-10.png]]
151 151  
120 +== 3.2 Access the gateway GUI ==
152 152  
153 -== 3.3  Access the gateway GUI ==
154 -
155 -
156 156  Access the gateway GUI interface of LoRaWAN~-~->LoRaWAN ~-~- Basic Station
157 157  
158 158  [[image:image-20220524164319-11.png]]
159 159  
160 -
161 161  User need to Choose the ChirpStack/Senet ~-~- Basic Station , input Server URI and Upload the TLS Certificate
162 162  
163 163  (% class="box" %)
... ... @@ -172,174 +172,48 @@
172 172  (% class="wikigeneratedid" %)
173 173  [[image:image-20220524164341-12.png]]
174 174  
140 +== 3.3 Start Station ==
175 175  
176 -== 3.4  Start Station ==
142 +When the user has finished the configuration, Please click Sace&Apply to start station to connect ChirpStack
177 177  
144 +== 3.4 Successful Connection ==
178 178  
179 -When the user has finished the configuration, Please click **Sace&Apply** to start station to connect ChirpStack.
180 -
181 -
182 -== 3.5  Successful Connection ==
183 -
184 -
185 185  If user completes the above steps, which will see live date in the ChirpStack.
186 186  
187 187  [[image:image-20220524164448-13.png]]
188 188  
150 +== 3.5 Trouble Shooting ==
189 189  
190 -== 3.6  Trouble Shooting ==
191 -
192 -
193 193  User can check the station log in the logread/system log page.
194 194  
195 -[[image:image-20220531172837-8.png]]
154 +[[image:image-20220524164514-14.png]]
196 196  
197 -
198 198  and recode the station log in the system/Recode log page.
199 199  
200 -[[image:image-20220531172857-9.png]]
158 +[[image:image-20220524164541-15.png]]
201 201  
160 += 4. Downlink =
202 202  
203 -= 4.  How the gateway connects to Chirpstack v4 via gateway-bridge =
162 +== 4.1 Chirpstack Downlink Note ==
204 204  
164 +[[image:image-20220525101223-9.png]]
205 205  
206 -(% style="color:blue" %)**Below list the support products and Requirements:**
166 +Convert the data to Base64
207 207  
208 -1. LoRaWAN Gateway model: [[LIG16>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/171-lig16.html]], [[LG308>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/140-lg308.html]], [[DLOS8>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/160-dlos8.html]] ,[[LPS8>>url:http://www.dragino.com/products/lora-lorawan-gateway/item/148-lps8.html]],[[LPS8N>>url:https://www.dragino.com/products/lora-lorawan-gateway/item/200-lps8n.html]],[[LG308N>>url:https://www.dragino.com/products/lora-lorawan-gateway/item/229-lg308n.html]],[[DLOS8N>>url:https://www.dragino.com/products/lora-lorawan-gateway/item/225-dlos8n.html]]
209 -1. Firmware version since: [[Chirpstack-Bridge-V4>>https://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LPS8/Firmware/Release/Chirpstack-gateway-bridge/Chirpstack-Bridge-V4--build-v5.4.1670655072-20221210-1452/]]
168 +[[image:image-20220525101247-10.png]]
210 210  
211 -(% style="color:blue" %)**How to set up chirpStack Gateway-bridge**
170 +Check ChripStack downlink DataRate
212 212  
213 -Users can check out the ChirpStack gateway-bridge v4 [[link>>https://www.chirpstack.io/docs/chirpstack-gateway-bridge/install/dragino.html]]
214 -
215 -
216 -(% style="color:blue" %)**What do you need to prepare**
217 -
218 -A gateway that can access the internet normally
219 -
220 -
221 -== 4.1  Configure Packet Forwarder ==
222 -
223 -
224 -In the Dragino gateway web interface, you need to configure the Packet Forwarder so that it forwards its data to the port. localhost:1700 or 127.0.0.1:1700
225 -
226 -* In the **LoRaWAN** menu, click on **LoRaWAN ~-~- Semtech UDP**
227 -* Make sure the following settings are set:
228 -** **Service Provider:** //~-~-Custom/Private LoRaWAN~-~-//
229 -** **LoRaWAN Server Address:** //localhost or 127.0.0.1//
230 -** **Server port for upstream:** //1700//
231 -** **Server port for downstream:** //1700//
232 -
233 - Click **Save & Apply**.
234 -
235 -[[image:image-20221222114220-2.png||height="748" width="931"]]
236 -
237 -
238 -== 4.2  Configuring gateway frequency ==
239 -
240 -
241 -(% style="color:red" %)**Note: Gateway frequencies must match**
242 -
243 -[[image:image-20221222134830-3.png||height="408" width="923"]]
244 -
245 -
246 -== 4.3  Modify the gateway-bridge configuration file ==
247 -
248 -
249 -Run the gateway command line command to modify the gateway-bridge configuration file:
250 -
251 -(% class="box infomessage" %)
252 -(((
253 -root@dragino-1d27d4:~~#  vim /etc/chirpstack-gateway-bridge/chirpstack-gateway-bridge.toml
254 -)))
255 -
256 -[[image:image-20221222113302-1.png]]
257 -
258 -
259 -[[image:image-20221222140203-4.png||height="875" width="806"]]
260 -
261 -[[image:image-20221230094246-1.png||height="768" width="783"]]
262 -
263 -(% class="wikigeneratedid" id="H" %)
264 -After the modification, run the following command: **/etc/init.d/chirpstack-gateway-bridge restart**
265 -
266 -
267 -== 4.4  (Re)start and stop gateway-bridge ==
268 -
269 -
270 -Use the following commands to (re)start and stop the ChirpStack Gateway Bridge Service:
271 -
272 -(% class="box infomessage" %)
273 -(((
274 -**# start**
275 -
276 -/etc/init.d/chirpstack-gateway-bridge start
277 -
278 -**# stop**
279 -
280 -/etc/init.d/chirpstack-gateway-bridge stop
281 -
282 -**# restart**
283 -
284 -/etc/init.d/chirpstack-gateway-bridge restart
285 -)))
286 -
287 -
288 -== 4.5  Successful Connection ==
289 -
290 -
291 -[[image:image-20221222141754-5.png||height="488" width="1150"]]
292 -
293 -
294 -[[image:image-20221222141830-6.png||height="582" width="1153"]]
295 -
296 -
297 -= 5.  Downlink =
298 -
299 -== 5.1  Convert HEX to Base64 ==
300 -
301 -
302 -(% style="color:red" %)**Note: Chirpstack uses base64 to downlink, the end node user manual provides HEX format of the downlink commands. So user needs to convert the HEX to Base64.**
303 -
304 -**[[Online HEX to Base64 Converter>>https://base64.guru/converter/encode/hex]]:**
305 -
306 -[[image:image-20221010193350-1.png]]
307 -
308 -
309 -
310 -**[[Online Base64 to Hex converter>>https://base64.guru/converter/decode/hex]]**
311 -
312 -[[image:image-20221010193621-2.png]]
313 -
314 -
315 -== 5.2  Chirpstack Downlink Note ==
316 -
317 -
318 -[[image:image-20220601102543-2.png]]
319 -
320 -**Convert the data to Base64**
321 -
322 -(% style="display:none" %) (%%)
323 -
324 -
325 -[[image:image-20220531173236-10.png||height="597" width="1215"]]
326 -
327 -**Check ChripStack downlink DataRate**
328 -
329 -
330 -
331 331  [[image:image-20220525101326-11.png]]
332 332  
333 -**Make sure the RX2DR is the same in the end node**
174 +Make sure the RX2DR is the same in the end node
334 334  
176 +== 4.2 Loraserver Downlink Note ==
335 335  
336 -== 5.3  Loraserver Downlink Note ==
337 -
338 -
339 339  User can use MQTT to send downlink payload to ChirpStack to perform downstream to LoRaWAN End
340 340  
341 341  (((
342 -**Below is examples:**
181 +Below is examples:
343 343  )))
344 344  
345 345  (% class="box" %)
... ... @@ -350,17 +350,14 @@
350 350  User name: User name Password: password
351 351  )))
352 352  
353 -[[image:image-20220531173419-11.png]]
192 +[[image:image-20220525101401-12.png]]
354 354  
355 355  (((
356 -**MQTT Connect to ChirpStack**
357 -
358 -
359 -
195 +MQTT Connect to ChirpStack
360 360  )))
361 361  
362 362  (((
363 -**After connect**
199 +After connect
364 364  )))
365 365  
366 366  (% class="box" %)
... ... @@ -378,16 +378,22 @@
378 378  Payload: {"confirmed":true,"fPort":2,"data":"AwEB"}
379 379  )))
380 380  
381 -[[image:image-20220531173519-12.png]]
217 +[[image:image-20220525101436-13.png]]
382 382  
383 -**MQTT Connect to ChirpStack**
219 +MQTT Connect to ChirpStack
384 384  
221 +(((
222 +(% style="color:red" %)Note: Chirpstack use base64 to downlink, so need to convert the downlink payload from HEX to base64 [[https:~~/~~/base64.us/>>url:https://base64.us/]]
223 +)))
385 385  
386 -**If we want to send downstream hex 030101 to end node, the BASE64 payload is AwEB**
225 +[[image:image-20220525101505-14.png]]
387 387  
388 -[[image:image-20220531173658-14.png]]
227 +Choose to Use Hex for Encode
389 389  
229 +If we want send downstream hex 030101 to end node, the BASE64 payload is AwEB
390 390  
231 +[[image:image-20220525104025-15.png]]
232 +
391 391  (((
392 392  Downlink payload encode javescript code: 可以在网站上运行以下Javsscript代码：
393 393  )))
... ... @@ -405,15 +405,15 @@
405 405   {
406 406   if(sha1[n] >= 'A' && sha1[n] <= 'Z')
407 407   {
408 - ascv = sha1.charCodeAt( n ) - 55;
250 + ascv = sha1.charCodeAt(n) - 55;
409 409   }
410 410   else if(sha1[n] >= 'a' && sha1[n] <= 'z')
411 411   {
412 - ascv = sha1.charCodeAt( n ) - 87;
254 + ascv = sha1.charCodeAt(n) - 87;
413 413   }
414 414   else
415 415   {
416 - ascv = sha1.charCodeAt( n ) - 48;
258 + ascv = sha1.charCodeAt(n) - 48;
417 417   }
418 418  \\ bit_arr = (bit_arr << 4) | ascv;
419 419   bit_num += 4;
... ... @@ -449,26 +449,20 @@
449 449   AwAA is 0x030000's base 64 Encode.
450 450  )))
451 451  
294 +== 4.3 Add the decode function in Chirpstack for the payload ==
452 452  
453 -== 4.3  Add the decode function in Chirpstack for the payload ==
454 -
455 -
456 456  User enters the payload code according to the steps.
457 457  
458 -[[image:image-20220531173754-15.png||height="474" width="1334"]]
298 +[[image:image-20220525104051-16.png]]
459 459  
300 +[[image:image-20220525104155-17.png]]
460 460  
461 -[[image:image-20220531173856-16.png]]
302 +[[image:image-20220525104223-18.png]]
462 462  
304 +[[image:image-20220525104258-19.png]]
463 463  
464 -[[image:image-20220531174120-20.png]]
306 += 5. Multiply Uplink in ChirpStack =
465 465  
466 -[[image:image-20220531174046-19.png]]
467 -
468 -
469 -= 6.  Multiply Uplink in ChirpStack =
470 -
471 -
472 472  (((
473 473  nbtrans field is the value to determine the re-transmission time for unconfirmed uplink data.
474 474  )))
... ... @@ -475,17 +475,12 @@
475 475  
476 476  (((
477 477  ChirpStack will auto adjust nbtrans according to uplink rssi. [[link to source>>url:https://github.com/brocaar/chirpstack-network-server/blob/master/internal/adr/adr.go]]
478 -
479 -
480 480  )))
481 481  
482 -[[image:image-20220526091912-7.png||height="241" width="1336"]]
316 +[[image:image-20220525104328-20.png]]
483 483  
484 -
485 485  (((
486 486  nbtrans is a field of ADR message, in unconfirm mode, it tells end node how many time it needs to transmit for every frame.
487 -
488 -
489 489  )))
490 490  
491 491  [[image:image-20220525104359-21.png]]
... ... @@ -492,8 +492,6 @@
492 492  
493 493  (((
494 494  Above behaviour will cause the platform shows below two cases of error:
495 -
496 -
497 497  )))
498 498  
499 499  (((
... ... @@ -502,36 +502,26 @@
502 502  
503 503  [[image:image-20220525104437-22.png]]
504 504  
334 +Duplicate transmission in short time
505 505  
336 +[[image:image-20220525104502-23.png]]
506 506  
507 -**Duplicate transmission in short time**
338 +== 5.1 Solution ==
508 508  
509 -[[image:image-20220601102430-1.png||height="598" width="1319"]]
510 -
511 -
512 -== 6.1  Solution ==
513 -
514 -
515 515  This example uses the Windows version as a template, other versions can refer to this. Similiar reference: [[https:~~/~~/confluence.alitecs.de/plugins/servlet/mobile?contentId=79790102#content/view/79790102>>url:https://confluence.alitecs.de/plugins/servlet/mobile?contentId=79790102#content/view/79790102]]
516 516  
517 -
518 518  (((
519 -(% style="color:blue" %)**1.  Install the GO compilation environment: Download the corresponding version of the Go compiler at [[https:~~/~~/go.dev/dl/>>url:https://go.dev/dl/]] and install it.**
520 -
521 -
343 +~1. Install the GO compilation environment: Download the corresponding version of the Go compiler at [[https:~~/~~/go.dev/dl/>>url:https://go.dev/dl/]] and install it.
522 522  )))
523 523  
524 524  [[image:image-20220525104532-24.png]]
525 525  
348 +installation path:
526 526  
527 -**installation path:**
528 -
529 529  [[image:image-20220525104554-25.png]]
530 530  
531 -
532 -
533 533  (((
534 -(% style="color:blue" %)**2.  Environment variable settings:**
353 +2. Environment variable settings:.
535 535  )))
536 536  
537 537  (((
... ... @@ -539,25 +539,21 @@
539 539  )))
540 540  
541 541  (((
542 -2) Set the variable name GOROOT and the variable value C:\Go\ (installation directory)
361 +2)Set the variable name GOROOT and the variable value C:\Go\ (installation directory)
543 543  )))
544 544  
545 545  [[image:image-20220524165433-33.png]]
546 546  
366 +3)Modify the system variable Path and add C:\Go\bin\:
547 547  
548 -3) Modify the system variable Path and add C:\Go\bin\:
549 -
550 550  [[image:image-20220524165452-34.png]]
551 551  
552 -
553 553  User variable setting file generation directory: D:\go:
554 554  
555 555  [[image:image-20220524165517-35.png]]
556 556  
374 +3. Modify the ADR configuration file according to your own needs, adr.setting.go is an example of the ADR configuration file.
557 557  
558 -
559 -(% style="color:blue" %)**3.  Modify the ADR configuration file according to your own needs, adr.setting.go is an example of the ADR configuration file.**
560 -
561 561  The name of the plugin: Example ADR plugin:
562 562  
563 563  [[image:image-20220524165540-36.png]]
... ... @@ -566,10 +566,8 @@
566 566  
567 567  [[image:image-20220524165557-37.png]]
568 568  
384 +4. Compile the ADR configuration file and generate the exe file.
569 569  
570 -
571 -(% style="color:blue" %)**4.  Compile the ADR configuration file and generate the exe file.**
572 -
573 573  1) Create a folder named adr-setting
574 574  
575 575  2) Open the adr-setting folder
... ... @@ -592,10 +592,8 @@
592 592  
593 593  [[image:image-20220524165623-38.png]]
594 594  
408 +5. Add the plugin and run the plugin.
595 595  
596 -
597 -(% style="color:blue" %)**5.  Add the plugin and run the plugin.**
598 -
599 599  (((
600 600  The exe file generated in the previous step is placed in the same root directory as chirpstack-network-server.toml, and the ADR plugin is added to the toml file. The location of the addition is as follows:
601 601  )))
... ... @@ -630,69 +630,14 @@
630 630  
631 631  Finish.
632 632  
444 += 6. Trouble Shooting =
633 633  
634 -= 7.  How to store/get all data traffic for a specific sensor, including raw payload, and uplink/ downlink history. =
446 +== 6.1 MIC Mismatch or MIC Failed ==
635 635  
636 -
637 -All data is published to the MQTT topics. if you want to store/get the data, you would have to create an MQTT handler and store the data yourself.
638 -
639 -This example will be shown how to store/get all the data in two ways:
640 -
641 -**//1). Chirpstack ~-~-> Node-red//**
642 -
643 -
644 -[[image:image-20221012184501-1.png]]
645 -
646 -
647 -Use MQTT in Nore-red to subscribe to topics published by the chirpstack-application and then continuously write to a file
648 -
649 -[[image:image-20221012174220-2.png]]
650 -
651 -
652 -[[image:image-20221012184655-3.png||height="395" width="1049"]]
653 -
654 -
655 -**Each message is continuously logged to a specified file**
656 -
657 -[[image:image-20221012174352-3.png]]
658 -
659 -
660 -**//2). MQTT  Sub//**
661 -
662 -If you don't want to store the information via node-red, you can get the output via the subscribe command.
663 -
664 -
665 -**If connecting from the same machine, you can use the following command to receive data:**
666 -
667 -(% class="box infomessage" %)
668 668  (((
669 -mosquitto_sub -h localhost -t "application/#" -v
670 -)))
671 -
672 -
673 -**Different host**
674 -
675 -(% class="box infomessage" %)
676 -(((
677 -mosquitto_sub -h IPADDRESS -p 8883 ~-~-insecure ~-~-cafile ca.pem ~-~-cert cert.pem ~-~-key key.pem -t "application/#" -v
678 -)))
679 -
680 -[[image:image-20221012173639-1.png]]
681 -
682 -
683 -= 8.  Trouble Shooting =
684 -
685 -== 8.1  MIC Mismatch or MIC Failed ==
686 -
687 -
688 -(((
689 689  When the device is registered or the device is working normally, the problem of MIC mismatch and MIC failed occurs.
690 690  )))
691 691  
692 692  (((
693 693  Under normal circumstances, users need to change the APPKEY to solve this problem.
694 -
695 -
696 -
697 -
698 698  )))
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