Changes for page MQTT Forward Instruction
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... ... @@ -14,292 +14,28 @@ 14 14 15 15 This MQTT forward instruction is for below devices: 16 16 17 -* Firmware Version > LG02_LG08-5.3.1580178039 [[Firmware Download>>url:http://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LPS8/Firmware/Release/]] 18 -* LG01N, OLG01N ((% style="color:red" %)**Warning**(%%): LG01-P LG01-S use another instruction: [[MQTT for LG01-P/LG01S>>doc:Through MQTT to upload data.WebHome]]) 17 +* LG01N, OLG01N ((% style="color:red" %)**Warning**(%%): LG01-P LG01-S use another instruction: [[MQTT for LG01-P/LG01S>>doc:Main.Through MQTT to upload data.WebHome]]) 19 19 * LG02, OLG02 20 -* LG308, DLOS8 21 -* LPS8 22 -* LIG16 19 +* LG308, DLOS8, LPS8, LIG16 23 23 * MS14 series if installed with the same firmware. (in this case, the MQTT forward will work , but no LoRa support) 21 +* LG308N, DLOS8N, LPS8N 22 +* LPS8V2 24 24 25 25 25 +The MQTT Client Utility used in Dragino is **mosquitto_pub** and **mosquitto_sub**. User can add more options to the mqtt commands. 26 26 27 - =2.FirmwareChangeLog forMQTT feature =27 +Check out this link for more mosquito-related directives **[[https:~~/~~/mosquitto.org/man/mosquitto_pub-1.html>>https://mosquitto.org/man/mosquitto_pub-1.html]]** 28 28 29 29 30 -((( 31 -This instruction is wrote start from LG02_LG08-5.3.1580178039. Below is related change log since this version of firmware. 32 -))) 30 += 2. Example to communicate to a simple MQTT server = 33 33 34 -* LG02_LG08-5.3.1580178039 35 -** Initiate version 32 +== 2.1 Overview == 36 36 37 37 38 - 39 -= 3. MQTT forward operating principle = 40 - 41 - 42 -== 3.1 Network Structure == 43 - 44 - 45 -Below shows the network structure for MQTT forwarding. 46 - 47 -* **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. 48 -* **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. 49 - 50 - 51 -[[image:image-20220527133547-1.png]] 52 - 53 -General MQTT structure 54 - 55 - 56 - 57 -== 3.2 How sensor data is forwarded == 58 - 59 - 60 -In this MQTT forward feature, the key point is how the gateway process the sensor data. 61 - 62 - 63 -=== 3.2.1 Upstream === 64 - 65 - 66 -Assume there are two sensor nodes, their ID are Node1 ID: 6734 , Node2 ID: 7456. In the remote MQTT broker there are two topics: Topic1: /channel/765800, Topic2: /channel/367860. We can set up in the gateway to map Node1 to Topic1 and Node2 to Topic2. So when there is a sensor data from Node1, the gateway will forward the data to Topic1, when there is sensor data from Node2, the gateway will forward to Topic2. 67 - 68 -((( 69 -The data flow works as below diagram. 70 - 71 - 72 -))) 73 - 74 -[[image:image-20220527134000-2.png]] 75 - 76 -((( 77 -Upstream path 78 - 79 - 80 -))) 81 - 82 -((( 83 -(% style="color:red" %)**Note: The sensor data can base or LoRa or other method, as long as there are data on the file /var/iot/channels. /span>** 84 -))) 85 - 86 -((( 87 - 88 -))) 89 - 90 -=== 3.2.2 Downstream === 91 - 92 - 93 -The gateway subscribes to a topic of the remote MQTT broker topic. When there is some one publish a value on this topic. The gateway will get it and broadcast to local LoRa Network. 94 - 95 -((( 96 -Below are the data flow for downstream. 97 -))) 98 - 99 -[[image:image-20220527134038-3.png]] 100 - 101 -Downstream path 102 - 103 - 104 - 105 -== 3.3 Macro Definition == 106 - 107 - 108 -The MQTT publish command use Macro settings to generate flexible upstream payload for MQTT publish. 109 - 110 -((( 111 -Currently the (% style="color:#4f81bd" %)**-t (topic)**(%%) and (% style="color:#4f81bd" %)**-m (message)**(%%) support Macros. 112 - 113 - 114 - 115 -))) 116 - 117 -=== 3.3.1 -t topic macro === 118 - 119 - 120 -* CHANNEL: Remote Channel ID 121 -* CLIENTID: Client ID , Same as -i 122 -* WRITE_API: Remote Channel Write API 123 -* USERNAME: User ID (-u) 124 -* HOSTNAME: Device Hostname 125 - 126 - 127 - 128 -=== 3.3.2 -m message macro === 129 - 130 - 131 -* HOSTNAME: Device Hostname 132 -* CHANNEL: Remote Channel ID 133 -* DATA: Sensor Data without time stamp and rssi 134 -* META: Completely sensor data with time stamp and rssi 135 -* JSON: Convert META to json format. 136 - 137 - 138 - 139 -=== 3.3.3 Example for Macro === 140 - 141 - 142 -[[image:image-20220527134251-4.png]] 143 - 144 -MQTT Publish configure 145 - 146 - 147 -**Above screen shots shows below format:** 148 - 149 -* -t: CLIENTID/CHANNEL/data 150 -* -m: DATA 151 - 152 -When there is a LoRa sensor arrive. it will be store at the /var/iot/channels as below: 153 - 154 -[[image:image-20220527134332-5.png]] 155 - 156 -Sensor Data 157 - 158 - 159 -((( 160 -According to above macro. Gateway will publish (% style="color:#4f81bd" %)**field1=22.0&field2=49.0**(%%) to topic: (% style="color:#4f81bd" %)**dragino-1b7060/78901/data**(%%), where 78901 is the remote channel for this node ID. 161 -))) 162 - 163 - 164 - 165 -== 3.4 Modify the MQTT to support more options == 166 - 167 - 168 -The MQTT Client Utility used in Dragino is **mosquitto_pub** and **mosquitto_sub**. User can add more options to the mqtt commands. User can check the valid options by command mosquitto_pub ~-~-help. as below: 169 - 170 -(% class="box" %) 171 -((( 172 -root@dragino-1ec39c:~~# mosquitto_pub ~-~-help 173 -mosquitto_pub is a simple mqtt client that will publish a message on a single topic and exit. 174 -mosquitto_pub version 1.6.4 running on libmosquitto 1.6.4. 175 -\\Usage: mosquitto_pub {[-h host] [-p port] [-u username] [-P password] -t topic | -L URL} 176 - {-f file | -l | -n | -m message} 177 - [-c] [-k keepalive] [-q qos] [-r] [~-~-repeat N] [~-~-repeat-delay time] 178 - [-A bind_address] 179 - [-i id] [-I id_prefix] 180 - [-d] [~-~-quiet] 181 - [-M max_inflight] 182 - [-u username [-P password]] 183 - [~-~-will-topic [~-~-will-payload payload] [~-~-will-qos qos] [~-~-will-retain]] 184 - [{~-~-cafile file | ~-~-capath dir} [~-~-cert file] [~-~-key file] 185 - [~-~-ciphers ciphers] [~-~-insecure] 186 - [~-~-tls-alpn protocol] 187 - [~-~-tls-engine engine] [~-~-keyform keyform] [~-~-tls-engine-kpass-sha1]] 188 - [~-~-psk hex-key ~-~-psk-identity identity [~-~-ciphers ciphers]] 189 - [~-~-proxy socks-url] 190 - [~-~-property command identifier value] 191 - [-D command identifier value] 192 - mosquitto_pub ~-~-help 193 -\\-A : bind the outgoing socket to this host/ip address. Use to control which interface 194 - the client communicates over. 195 --d : enable debug messages. 196 --D : Define MQTT v5 properties. See the documentation for more details. 197 --f : send the contents of a file as the message. 198 --h : mqtt host to connect to. Defaults to localhost. 199 --i : id to use for this client. Defaults to mosquitto_pub_ appended with the process id. 200 --I : define the client id as id_prefix appended with the process id. Useful for when the 201 - broker is using the clientid_prefixes option. 202 --k : keep alive in seconds for this client. Defaults to 60. 203 --L : specify user, password, hostname, port and topic as a URL in the form: 204 - mqtt(s):~/~/[username[:password]@]host[:port]/topic 205 --l : read messages from stdin, sending a separate message for each line. 206 --m : message payload to send. 207 --M : the maximum inflight messages for QoS 1/2.. 208 --n : send a null (zero length) message. 209 --p : network port to connect to. Defaults to 1883 for plain MQTT and 8883 for MQTT over TLS. 210 --P : provide a password 211 --q : quality of service level to use for all messages. Defaults to 0. 212 --r : message should be retained. 213 --s : read message from stdin, sending the entire input as a message. 214 --t : mqtt topic to publish to. 215 --u : provide a username 216 --V : specify the version of the MQTT protocol to use when connecting. 217 - Can be mqttv5, mqttv311 or mqttv31. Defaults to mqttv311. 218 -~-~-help : display this message. 219 -~-~-repeat : if publish mode is -f, -m, or -s, then repeat the publish N times. 220 -~-~-repeat-delay : if using ~-~-repeat, wait time seconds between publishes. Defaults to 0. 221 -~-~-quiet : (% style="color:red" %)don't print error messages. 222 -~-~-will-payload : payload for the client Will, which is sent by the broker in case of 223 - unexpected disconnection. If not given and will-topic is set, a zero 224 - length message will be sent. 225 -~-~-will-qos : QoS level for the client Will. 226 -~-~-will-retain : if given, make the client Will retained. 227 -~-~-will-topic : the topic on which to publish the client Will. 228 -~-~-cafile : path to a file containing trusted CA certificates to enable encrypted 229 - communication. 230 -~-~-capath : path to a directory containing trusted CA certificates to enable encrypted 231 - communication. 232 -~-~-cert : client certificate for authentication, if required by server. 233 -~-~-key : client private key for authentication, if required by server. 234 -~-~-keyform : keyfile type, can be either "pem" or "engine". 235 -~-~-ciphers : openssl compatible list of TLS ciphers to support. 236 -~-~-tls-version : TLS protocol version, can be one of tlsv1.3 tlsv1.2 or tlsv1.1. 237 - Defaults to tlsv1.2 if available. 238 -~-~-insecure : do not check that the server certificate hostname matches the remote 239 - hostname. Using this option means that you cannot be sure that the 240 - remote host is the server you wish to connect to and so is insecure. 241 - Do not use this option in a production environment. 242 -~-~-tls-engine : If set, enables the use of a TLS engine device. 243 -~-~-tls-engine-kpass-sha1 : SHA1 of the key password to be used with the selected SSL engine. 244 -~-~-psk : pre-shared-key in hexadecimal (no leading 0x) to enable TLS-PSK mode. 245 -~-~-psk-identity : client identity string for TLS-PSK mode. 246 -~-~-proxy : SOCKS5 proxy URL of the form: 247 - socks5h:~/~/[username[:password]@]hostname[:port] 248 - Only "none" and "username" authentication is supported. 249 -\\See https:~/~/mosquitto.org/ for more information. 250 -))) 251 - 252 - 253 -((( 254 -and modify the /usr/bin/mqtt_process.sh script, the location to change the command option is below lines: 255 -))) 256 - 257 -(% class="box" %) 258 -((( 259 -//# Call MQTT Publish command 260 -\\# 1. Case with User, Password and Client ID present (e.g. Azure) 261 -if [ ! -z "$pass" ] && [ ! -z "$user" ] && [ ! -z "$clientID" ]; then 262 -case="1" 263 -mosquitto_pub $D -h $server -p $port -q $pub_qos -i $clientID -t $pub_topic -u $user -P "$pass" $C $cafile $PUB_FLAG "$mqtt_data" 264 -\\# 2. Case with Certificate, Key and ClientID present (e.g. AWS) 265 -elif [ ! -z "$certfile" ] && [ ! -z "$key" ] && [ ! -z "$clientID" ]; then 266 -case="2" 267 -mosquitto_pub $D -h $server -p $port -q $pub_qos -i $clientID -t $pub_topic ~-~-cert $cert ~-~-key $key $C $cafile $PUB_FLAG "$mqtt_data" 268 -\\# 3. Case with no User, Certificate or ClientID present 269 -elif [ -z "$user" ] && [ -z "$certfile" ] && [ -z "$clientID" ]; then 270 -case="3" 271 -mosquitto_pub $D -h $server -p $port -q $pub_qos -t $pub_topic $PUB_FLAG "$mqtt_data" 272 -\\# 4. Case with no User, Certificate, but with ClientID present 273 -elif [ -z "$user" ] && [ -z "$certfile" ] && [ ! -z "$clientID" ]; then 274 -case="4" 275 -mosquitto_pub $D -h $server -p $port -q $pub_qos -i $clientID -t $pub_topic $PUB_FLAG "$mqtt_data" 276 -\\# 5. Case with User and ClientID present, but no Password and no Certificate present 277 -elif [ -z "$pass" ] && [ -z "$certfile" ] && [ ! -z "$user" ] && [ ! -z "$clientID" ]; then 278 -case="5" 279 -mosquitto_pub $D -h $server -p $port -q $pub_qos -i $clientID -t $pub_topic -u $user $PUB_FLAG "$mqtt_data" 280 -\\# 6. Case with User and Password present, but no ClientID and no Certificate present 281 -elif [ ! -z "$user" ] && [ ! -z "$pass" ] && [ -z "$clientID" ] && [ -z "$certfile" ]; then 282 -case="6" 283 -mosquitto_pub $D -h $server -p $port -q $pub_qos -t $pub_topic -u $user -P "$pass" $PUB_FLAG "$mqtt_data" 284 -\\# 0. Else - invalid parameters, just log 285 -else 286 -case="(% style="color:red" %)Invalid parameters" (%%) 287 -logger (% style="color:red" %)"[IoT.MQTT]:Invalid Parameters - mosquitto_pub not called."(%%) 288 -fi// 289 -))) 290 - 291 - 292 - 293 -= 4. Example to communicate to a simple MQTT server = 294 - 295 - 296 -== 4.1 Overview == 297 - 298 - 299 299 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/]]. 300 300 301 301 302 -== 4.2 Simulate via MQTT.fx utility ==38 +== 2.2 Simulate via MQTT.fx utility == 303 303 304 304 305 305 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. ... ... @@ -328,163 +328,27 @@ 328 328 329 329 330 330 331 -= =4.3SimulateviaDraginoCommandLine ==67 += 3. Add LoRa support to communicate with remote sensor = 332 332 333 333 334 - Forfirst tryofMQTT connection,simulatevia command line isrecommend,therearemany servers / connectiontype for MQTT.They areusing differentconnection parameters.Simulatingtheconnectionviacommand line willhelpusrapidlyconnectto serverand debug.70 +In above section, we have configured the UI to support MQTT upstream and downstream. We can simulate via Linux command. In this section, we will guide how to communicate with remote LoRa End Node for upstream and downstream. 335 335 336 -In the Dragino Gateway, we use [[mosquitto client>>url:https://mosquitto.org/]] for MQTT connection. 337 337 338 338 339 - (%style="color:blue"%)**ForUpstream**74 +== 3.1 Use LoRa Raw protocol for communication ~-~- For LG01/LG02 == 340 340 341 -command is [[mosquitto_pub>>url:https://mosquitto.org/man/mosquitto_pub-1.html]] 342 342 343 -Example: mosquitto_pub -h 192.168.199.148 -p 1883 -t /channel/6543 -m temp=36 344 - 345 -Note: 192.168.199.148 is MQTT broker address, the gateway and the MQTT broker PC are in the same network. 346 - 347 -[[image:image-20220527135310-9.png]] 348 - 349 -mosquitto_pub 350 - 351 - 352 - 353 -(% style="color:blue" %)**For Downstream** 354 - 355 -Use [[mosquitto_sub>>url:https://mosquitto.org/man/mosquitto_sub-1.html]] to subscribe the change on the topic. 356 - 357 -[[image:image-20220527135440-10.png]] 358 - 359 -mosquitto_sub 360 - 361 - 362 - 363 -== 4.4 Configure Dragino UI for MQTT connection == 364 - 365 - 366 -This chapter are step by step to show to configure the Dragino Menu for MQTT auto connection. 367 - 368 368 ((( 369 - Goto (%style="color:#4f81bd" %)**DraginoMenu~-~->MQTTClient**78 +We can use **[[LoRa Shield>>url:http://www.dragino.com/products/lora/item/102-lora-shield.html]]** to send LoRa Raw data to Gateway and receive data from gateway. 370 370 ))) 371 371 372 -[[image:image-20220714155901-1.png]] 373 - 374 -go to mqtt configure menu 375 - 376 - 377 377 ((( 378 - Select (%style="color:#4f81bd"%)**ForwardtoMQTTserver**. (% style="color:red" %)**Notice**(%%): Thisoption isremoved from thelatestfirmware,inthelatest firmware,if usersubmit "SAVE & APPLY" in MQTT page, the gateway will useMQTT service.82 +The example Sketch for LoRa Shield +Arduino is here: **[[LoRa_Shield_Sketch_For_MQTT>>url:http://www.dragino.com/downloads/index.php?dir=LoraShield/]]** 379 379 ))) 380 380 381 -[[image:image-20220527135742-11.png]] 382 - 383 -forward to MQTT 384 - 385 - 386 - 387 -=== 4.4.1 Configure the MQTT Client for Upstream === 388 - 389 - 390 -**Below screenshot is same as the publish command:** 391 - 392 -(% class="box" %) 393 393 ((( 394 -**mosquitto_pub -h 192.168.199.148 -p 1883 -i dragino-1b7060 -t CLIENTID/CHANNEL/data -m DATA 395 -~/~/where the CLIENTID, CHANNEL & DATA are macro. represent for 396 -~/~/CLIENTID: dragino-1b7060 397 -~/~/CHANNEL: Remote ID in Channel settings; here is 78901 or 567456 398 -~/~/DATA: The data stores in /var/iot/channels/** 399 -))) 86 +And this link is the required library: **[[arduino-LoRa-master>>url:http://www.dragino.com/downloads/index.php?dir=LoraShield/]]**. Unzip this library and put in Arduino library location. 400 400 401 - 402 -[[image:image-20220527135828-12.png]] 403 - 404 -MQTT Publish configure 405 - 406 - 407 - 408 -[[image:image-20220527135929-13.png]] 409 - 410 -MQTT Channel settings 411 - 412 - 413 -((( 414 -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: 415 -))) 416 - 417 -(% class="box" %) 418 -((( 419 -mosquitto_pub -h 192.168.199.148 -p 1883 -i dragino-1b7060 -t dragino-1b7060/78901/data -m temp=46 420 -))) 421 - 422 -((( 423 -to MQTT broker. 424 -))) 425 - 426 - 427 -((( 428 -Below is a simulation to put this data to active the MQTT publish. 429 -))) 430 - 431 -[[image:image-20220527140023-14.png]] 432 - 433 -MQTT Publish 434 - 435 - 436 - 437 -=== 4.4.2 Configure the MQTT Client for Downstream === 438 - 439 - 440 -Below screen shot equal to this subscribe command: 441 - 442 -(% class="box" %) 443 -((( 444 -mosquitto_sub -h 192.168.199.148 -p 1883 -i dragino-1b7060 -t command. 445 -))) 446 - 447 -[[image:image-20220527140100-15.png]] 448 - 449 -MQTT Subscribe 450 - 451 - 452 -((( 453 -When MQTT broker receive a update on this topic, the gateway will get the update and use LoRa radio to broadcast this message. The LoRa parameters used for update is: 454 -))) 455 - 456 -[[image:image-20220527140148-16.png]] 457 - 458 -LoRa Broadcast parameters. 459 - 460 - 461 -And below is the subscribe simulation: 462 - 463 -[[image:image-20220527140238-17.png]] 464 - 465 -downstream simulation 466 - 467 - 468 -== 4.5 Add LoRa support to communicate with remote sensor == 469 - 470 - 471 -In above section, we have configured the UI to support MQTT upstream and downstream. We can simulate via Linux command. In this section, we will guide how to communicate with remote LoRa End Node for upstream and downstream. 472 - 473 - 474 -=== 4.5.1 Use LoRa Raw protocol for communication ~-~- For LG01/LG02 === 475 - 476 - 477 -((( 478 -We can use [[LoRa Shield>>url:http://www.dragino.com/products/lora/item/102-lora-shield.html]] to send LoRa Raw data to Gateway and receive data from gateway. 479 -))) 480 - 481 -((( 482 -The example Sketch for LoRa Shield +Arduino is here: [[LoRa_Shield_Sketch_For_MQTT>>url:http://www.dragino.com/downloads/index.php?dir=LoraShield/]] 483 -))) 484 - 485 -((( 486 -And this link is the required library: [[arduino-LoRa-master>>url:http://www.dragino.com/downloads/index.php?dir=LoraShield/]]. Unzip this library and put in Arduino library location. 487 - 488 488 489 489 ))) 490 490 ... ... @@ -501,7 +501,6 @@ 501 501 LoRa Parameter should match 502 502 503 503 504 - 505 505 Below is the test result after the Arduino Sketch is running. 506 506 507 507 [[image:image-20220527140459-19.png]] ... ... @@ -509,16 +509,14 @@ 509 509 Upstream Data Flow 510 510 511 511 512 - 513 513 [[image:image-20220527140542-20.png]] 514 514 515 515 Downstream Data Flow 516 516 517 517 116 +== 3.2 Use LoRaWAN Protocol for communication ~-~- For LG308/LPS8/DLOS8/LG308N/LPS8N/DLOS8N == 518 518 519 -=== 4.5.2 Use LoRaWAN Protocol for communication ~-~- For LG308/LPS8/DLOS8 === 520 520 521 - 522 522 ((( 523 523 Since firmware (% style="color:#4f81bd" %)**LG02_LG08~-~-build-v5.3.1585192026-20200326-1109,**(%%) Dragino LoRaWAN gateways support the communication to LoRaWAN (% style="color:#4f81bd" %)**ABP end node**(%%) locally without the need of LoRaWAN server. This feature allow us to integrate MQTT in the gateway to support LoRaWAN to MQTT forwarding or visa verse. 524 524 ))) ... ... @@ -552,38 +552,31 @@ 552 552 [[image:image-20220613191345-4.png]] 553 553 554 554 555 - 556 556 (% style="color:blue" %)**Step 4**(%%): Map the Device Address to Remote ID in MQTT server. 557 557 558 558 [[image:image-20220613190635-2.png]] 559 559 560 560 561 - 562 562 (% style="color:blue" %)**Step 5: Upstream**(%%): Save the change, we can see the log info via "sytem log", End Node and MQTT Server 563 563 564 564 [[image:image-20220527141843-24.png]] 565 565 566 566 567 - 568 - 569 569 [[image:image-20220527141933-25.png]] 570 570 571 571 Choose ASCII Format 572 572 573 573 574 - 575 575 [[image:image-20220527142028-26.png]] 576 576 577 577 LHT65 Decoder 578 578 579 579 580 - 581 581 (% style="color:blue" %)**Step 6: Set up subscribe**(%%)**:** Subscribe a topci for downstream. 582 582 583 583 [[image:image-20220613191426-5.png]] 584 584 585 585 586 - 587 587 (% style="color:blue" %)**Step 7: Downstream**(%%): Save the change, we can see the log info via "sytem log", End Node and MQTT Server. 588 588 589 589 [[image:image-20220527142239-28.png]] ... ... @@ -590,9 +590,6 @@ 590 590 591 591 592 592 593 -=== 4.5.3 MQTT Downstream format === 594 - 595 - 596 596 mosquitto_pub -h $server_address -p $server_port -t $Client_ID -m "**dev_addr,imme/time,txt/hex,payload**" 597 597 598 598 (% class="box infomessage" %) ... ... @@ -604,30 +604,24 @@ 604 604 605 605 (% class="box infomessage" %) 606 606 ((( 607 -**mosquitto_pub -h 10.130.2.192 -p 1883 -t dragino-1d25dc/ -m "260211D,time,txt,hello,20,1,SF12,923300000,2 > /var/iot/push/test"**194 +**mosquitto_pub -h 10.130.2.192 -p 1883 -t dragino-1d25dc/ -m "260211D,time,txt,hello,20,1,SF12,923300000,2"** 608 608 ))) 609 609 197 +(% style="color:red" %)**Notice: The text use for Downstream must meet the requirement from [[LG308 Downstream Payload>>Communicate with ABP End Node without LoRaWAN Network Server --- LG308||anchor="H2.2Downstream"]]** 198 + 610 610 Or use [[MQTT.fx>>https://mqttfx.jensd.de/index.php/download]] 611 611 612 612 [[image:image-20220613192816-6.png||height="440" width="1056"]] 613 613 614 614 615 - (% style="color:red"%)**Notice: Thetext usefor Downstreammust meet therequirement from [[LG308 DownstreamPayload>>Communicate with ABP EndNodewithout LoRaWAN NetworkServer ---LG308||anchor="H2.2Downstream"]]**204 +== 3.3 Use LoRaWAN Protocol for communication ~-~- For LPS8V2 == 616 616 617 617 618 -Check out this link for more mosquito-related directives [[https:~~/~~/mosquitto.org/man/mosquitto_pub-1.html>>https://mosquitto.org/man/mosquitto_pub-1.html]] 619 619 620 620 209 += 4. How to ask for Support = 621 621 622 -= 5. How to Debug = 623 623 624 - 625 -User can login the gateway's console and run (% style="color:#4f81bd" %)**logread -f**(%%). It will shows the output when there is packet arrive.User can see if it is correct. 626 - 627 - 628 -= 6. How to ask for Support = 629 - 630 - 631 631 If a user still not have trouble making it works. please send a mail to support@dragino.com with the below info: 632 632 633 633 * Detail of your LoRaWAN end node.