Wiki source code of Notes for cellular network connection
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| author | version | line-number | content |
|---|---|---|---|
| 1 | **Table of Contents：** | ||
| 2 | |||
| 3 | {{toc/}} | ||
| 4 | |||
| 5 | |||
| 6 | |||
| 7 | = **1. Enable Cellular Connection** = | ||
| 8 | |||
| 9 | |||
| 10 | //If your device has a Cellular module, you can see the below screenshot. enable the cellular connection here.// | ||
| 11 | |||
| 12 | [[image:image-20220527153337-1.png]] | ||
| 13 | |||
| 14 | |||
| 15 | **//Enable Cellular Connection//** | ||
| 16 | |||
| 17 | ((( | ||
| 18 | //If your device doesn't have a cellular module, you will see a cellular module not detected.// | ||
| 19 | ))) | ||
| 20 | |||
| 21 | [[image:image-20220527153544-2.png]] | ||
| 22 | |||
| 23 | |||
| 24 | = **2. How to Debug if Cellular connection fails** = | ||
| 25 | |||
| 26 | |||
| 27 | //If there is a problem with the cellular connection. Please check the below points~:// | ||
| 28 | |||
| 29 | |||
| 30 | == **2.1 Do you order the model with a cellular option** == | ||
| 31 | |||
| 32 | |||
| 33 | //Make sure you order the model with the cellular option. Can check by command or via the Web UI.// | ||
| 34 | |||
| 35 | (% class="box" %) | ||
| 36 | ((( | ||
| 37 | //root@dragino-1bbd90:~~# lsusb | ||
| 38 | Bus 001 Device 004: ID 2c7c:0125 ~-~-> This is the Cellular module | ||
| 39 | Bus 001 Device 002: ID 1a40:0101 Terminus Technology Inc. Hub | ||
| 40 | Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub// | ||
| 41 | ))) | ||
| 42 | |||
| 43 | [[image:image-20220527153729-3.png]] | ||
| 44 | |||
| 45 | |||
| 46 | == **2.2 Do you input the SIM card correctly** == | ||
| 47 | |||
| 48 | |||
| 49 | **//Below command can check if you have a SIM card inserted, or via Web UI//** | ||
| 50 | |||
| 51 | * //Make sure to Power Off when you insert the SIM card and power on the device. The device doesn't support auto-detect SIM card on power on// | ||
| 52 | * //Make sure you have the correct direction to insert the SIM card. Every device has an example photo in the manual for the direction.// | ||
| 53 | |||
| 54 | (% class="box" %) | ||
| 55 | ((( | ||
| 56 | //root@dragino-1dadd8:~~# **comgt -d /dev/ttyUSB3** | ||
| 57 | SIM ready | ||
| 58 | Waiting for Registration..(120 sec max) | ||
| 59 | Registered on Home network: "CHN-UNICOM",7 | ||
| 60 | Signal Quality: 10,99// | ||
| 61 | ))) | ||
| 62 | |||
| 63 | |||
| 64 | (% class="wikigeneratedid" %) | ||
| 65 | [[image:image-20220527153804-4.png]] | ||
| 66 | |||
| 67 | |||
| 68 | (% class="wikigeneratedid" %) | ||
| 69 | //**Note:** If the icon is missing some information, like SIM, Network, or Signal, which may be due to the display bug.// | ||
| 70 | |||
| 71 | (% class="wikigeneratedid" %) | ||
| 72 | //Please check the IP address is displayed and the Internet displays "OK", it works properly.// | ||
| 73 | |||
| 74 | (% class="wikigeneratedid" %) | ||
| 75 | [[image:image-20220527153827-5.png]] | ||
| 76 | |||
| 77 | |||
| 78 | == **2.3 Check dialing info** == | ||
| 79 | |||
| 80 | //run "**logread -f**" in gateway CLI。// | ||
| 81 | |||
| 82 | (% class="box" %) | ||
| 83 | ((( | ||
| 84 | Fri Feb 7 01:20:28 2020 daemon.notice pppd[29452]: pppd 2.4.7 started by root, uid 0 | ||
| 85 | Fri Feb 7 01:20:29 2020 user.notice iot_keep_alive: Ping WAN | ||
| 86 | Fri Feb 7 01:20:29 2020 user.notice iot_keep_alive: Default interface is | ||
| 87 | Fri Feb 7 01:20:29 2020 user.notice iot_keep_alive: No internet at any interface | ||
| 88 | Fri Feb 7 01:20:29 2020 local2.info chat[29485]: abort on (BUSY) | ||
| 89 | Fri Feb 7 01:20:29 2020 local2.info chat[29485]: abort on (NO CARRIER) | ||
| 90 | Fri Feb 7 01:20:29 2020 local2.info chat[29485]: abort on (ERROR) | ||
| 91 | Fri Feb 7 01:20:29 2020 local2.info chat[29485]: report (CONNECT) | ||
| 92 | Fri Feb 7 01:20:29 2020 local2.info chat[29485]: timeout set to 10 seconds | ||
| 93 | Fri Feb 7 01:20:29 2020 local2.info chat[29485]: send (AT&F^M) | ||
| 94 | Fri Feb 7 01:20:29 2020 local2.info chat[29485]: expect (OK) | ||
| 95 | Fri Feb 7 01:20:29 2020 local2.info chat[29485]: AT&F^M^M | ||
| 96 | Fri Feb 7 01:20:29 2020 local2.info chat[29485]: OK | ||
| 97 | Fri Feb 7 01:20:29 2020 local2.info chat[29485]: ~-~- got it | ||
| 98 | Fri Feb 7 01:20:29 2020 local2.info chat[29485]: send (ATE1^M) | ||
| 99 | Fri Feb 7 01:20:29 2020 local2.info chat[29485]: expect (OK) | ||
| 100 | Fri Feb 7 01:20:29 2020 local2.info chat[29485]: ^M | ||
| 101 | Fri Feb 7 01:20:29 2020 local2.info chat[29485]: ATE1^M^M | ||
| 102 | Fri Feb 7 01:20:29 2020 local2.info chat[29485]: OK | ||
| 103 | Fri Feb 7 01:20:29 2020 local2.info chat[29485]: ~-~- got it | ||
| 104 | Fri Feb 7 01:20:29 2020 local2.info chat[29485]: send (AT+CGDCONT=1,"IP",""^M) | ||
| 105 | Fri Feb 7 01:20:30 2020 local2.info chat[29485]: timeout set to 30 seconds | ||
| 106 | Fri Feb 7 01:20:30 2020 local2.info chat[29485]: expect (OK) | ||
| 107 | Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ^M | ||
| 108 | Fri Feb 7 01:20:30 2020 local2.info chat[29485]: AT+CGDCONT=1,"IP",""^M^M | ||
| 109 | Fri Feb 7 01:20:30 2020 local2.info chat[29485]: OK | ||
| 110 | Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ~-~- got it | ||
| 111 | (% style="color:#037691" %)**Fri Feb 7 01:20:30 2020 local2.info chat[29485]: send (ATD*99#^M) ~-~-~-~--> In case the dialling process already reach here. | ||
| 112 | Normally the problem is with a provider, need to check if the SIM card has balance or other requirement from the cellular operator**(%%) | ||
| 113 | (% style="color:black" %)Fri Feb 7 01:20:30 2020 local2.info chat[29485]: expect (CONNECT) | ||
| 114 | Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ^M | ||
| 115 | Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ATD*99#^M^M | ||
| 116 | Fri Feb 7 01:20:30 2020 local2.info chat[29485]: CONNECT | ||
| 117 | Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ~-~- got it | ||
| 118 | Fri Feb 7 01:20:30 2020 local2.info chat[29485]: send ( ^M) | ||
| 119 | Fri Feb 7 01:20:30 2020 daemon.info pppd[29452]: Serial connection established. | ||
| 120 | ))) | ||
| 121 | |||
| 122 | |||
| 123 | = **3. Share Cellular Network for WiFi & LAN clients** = | ||
| 124 | |||
| 125 | |||
| 126 | ((( | ||
| 127 | //By default, the Cellular Network won't be shared with the WiFi or LAN clients. If users need to share with them, the user can modify the file.// | ||
| 128 | ))) | ||
| 129 | |||
| 130 | (% class="box" %) | ||
| 131 | ((( | ||
| 132 | ((( | ||
| 133 | root@dragino-1d25dc:~~# cat /etc/config/firewall | ||
| 134 | |||
| 135 | config defaults | ||
| 136 | option syn_flood '1' | ||
| 137 | option input 'ACCEPT' | ||
| 138 | option output 'ACCEPT' | ||
| 139 | option forward 'REJECT' | ||
| 140 | config zone | ||
| 141 | option name 'lan' | ||
| 142 | list network 'lan' | ||
| 143 | option input 'ACCEPT' | ||
| 144 | option output 'ACCEPT' | ||
| 145 | option forward 'REJECT' | ||
| 146 | config zone | ||
| 147 | option name 'wan' | ||
| 148 | list network 'wan' | ||
| 149 | list network 'wwan' | ||
| 150 | list network 'wan6' | ||
| 151 | list network 'cellular' ~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~--> Add this line and reboot | ||
| 152 | option input 'REJECT' | ||
| 153 | option output 'ACCEPT' | ||
| 154 | option forward 'ACCEPT' | ||
| 155 | option masq '1' | ||
| 156 | option mtu_fix '1' | ||
| 157 | config forwarding | ||
| 158 | option src 'lan' | ||
| 159 | option dest 'wan' | ||
| 160 | ))) | ||
| 161 | ))) | ||
| 162 | |||
| 163 | ((( | ||
| 164 | //and run **/etc/init.d/firewall reload** or reboot the device.// | ||
| 165 | |||
| 166 | |||
| 167 | ))) | ||
| 168 | |||
| 169 | = **4. How does the gateway view the International Mobile Equipment Identity (IMEI)** = | ||
| 170 | |||
| 171 | |||
| 172 | //Users can access the gateway CLI and run the minicom command to get the configuration interface.// | ||
| 173 | |||
| 174 | ((( | ||
| 175 | |||
| 176 | |||
| 177 | **//Enter the minicom command, then select the option ''serial port setup".//** | ||
| 178 | ))) | ||
| 179 | |||
| 180 | (% class="box infomessage" %) | ||
| 181 | ((( | ||
| 182 | root@dragino-1ef9ac:~~# minicom -s | ||
| 183 | ))) | ||
| 184 | |||
| 185 | [[image:image-20220527154132-6.png]] | ||
| 186 | |||
| 187 | |||
| 188 | And then, change the setting: | ||
| 189 | |||
| 190 | (% class="box infomessage" %) | ||
| 191 | ((( | ||
| 192 | (% style="color:black" %)**Serial Device :** (% style="color:#037691" %)**/dev/ttyModemAT** | ||
| 193 | |||
| 194 | (% style="color:black" %)**Bps/Par/Bits :**(% style="color:#037691" %)** 9600 8N1** | ||
| 195 | ))) | ||
| 196 | |||
| 197 | |||
| 198 | //**Note: Enter the corresponding letter to change the configuration, like A,B,C**// | ||
| 199 | |||
| 200 | [[image:image-20220527154154-7.png]] | ||
| 201 | |||
| 202 | |||
| 203 | //Enter **AT+GSN **in the interface to get the IMEI,// | ||
| 204 | |||
| 205 | // **For example (% style="color:#037691" %)860548042566627(%%)**// | ||
| 206 | |||
| 207 | (% class="box infomessage" %) | ||
| 208 | ((( | ||
| 209 | ((( | ||
| 210 | **AT+GSN** | ||
| 211 | ))) | ||
| 212 | ))) | ||
| 213 | |||
| 214 | [[image:image-20220527154231-8.png]] | ||
| 215 | |||
| 216 | |||
| 217 | = **5. How does the gateway connect to the network via a USB 4G Dongle** = | ||
| 218 | |||
| 219 | |||
| 220 | == **5.1 Introduction** == | ||
| 221 | |||
| 222 | |||
| 223 | (% style="color:red" %)**//Prerequisite: Requires a USB 4G Dongle and a supported gateway firmware//** | ||
| 224 | |||
| 225 | ((( | ||
| 226 | //This introduces a setup and configured gateway for using a USB 3g/UMTS-modem for WAN connection.// | ||
| 227 | |||
| 228 | |||
| 229 | ))) | ||
| 230 | |||
| 231 | ((( | ||
| 232 | //Many modes (and most **LTE**) USB modems provide **qmi**, **mbim**, **ncm**, **rndis** protocol for connection instead of legacy **ppp** protocol, they are faster and better, overall recommended.// | ||
| 233 | ))) | ||
| 234 | |||
| 235 | ((( | ||
| 236 | //This is not beginner-friendly due to too many protocols.// | ||
| 237 | |||
| 238 | //For more information: [[https:~~/~~/openwrt.org/docs/guide-user/network/wan/wwan/3gdongle>>url:https://openwrt.org/docs/guide-user/network/wan/wwan/3gdongle]]// | ||
| 239 | |||
| 240 | |||
| 241 | ))) | ||
| 242 | |||
| 243 | == **5.2 How to use the USB Dongle at the gateway** == | ||
| 244 | |||
| 245 | |||
| 246 | //Most of the products can be used on the gateway, but because their protocols are different, they are not used in the same way.// | ||
| 247 | |||
| 248 | ((( | ||
| 249 | //For example, the Huawei-E3372/E8372 is using **Hilink mode** or **NCM mode**.// | ||
| 250 | ))) | ||
| 251 | |||
| 252 | (% class="box" %) | ||
| 253 | ((( | ||
| 254 | Huawei-E3372/E8372 | ||
| 255 | Check the (% style="color:#037691" %)**E3372**(% style="color:black" %) version to determine the mode. | ||
| 256 | The version numbers starting with 21 is NCM mode | ||
| 257 | The version numbers starting with 22 is Hilink mode | ||
| 258 | The E8372 only has Hilink mode | ||
| 259 | **~ **(% style="color:red" %)**Note： The e3372 in the vast majority of cases is Hilink mode** | ||
| 260 | ))) | ||
| 261 | |||
| 262 | |||
| 263 | == **5.3 Hilink mode** == | ||
| 264 | |||
| 265 | |||
| 266 | //Gateway upgrade to the specified firmware:[[Hilink.mode~~-~~-build-v5.4.1625627505>>url:https://www.dragino.com/downloads/index.php?dir=LoRa_Gateway/LG308-LG301/Firmware/USB-Dongle_firmware/Hilink.mode--build-v5.4.1625627505-20210707-1113/]]// | ||
| 267 | |||
| 268 | |||
| 269 | === **5.3.1 Plugs into the device** === | ||
| 270 | |||
| 271 | |||
| 272 | ((( | ||
| 273 | //USB-Dongle plugs into the gateway USB port// | ||
| 274 | ))) | ||
| 275 | |||
| 276 | ((( | ||
| 277 | //Check the USB module via command (% style="color:#037691" %)**lsusb**// | ||
| 278 | ))) | ||
| 279 | |||
| 280 | ((( | ||
| 281 | (% style="color:red" %)//**Note: Users need to that connect to the gateway command line via ssh.**// | ||
| 282 | ))) | ||
| 283 | |||
| 284 | [[image:image-20220527154739-9.png]] | ||
| 285 | |||
| 286 | |||
| 287 | === **5.3.2 Detection of new network interfaces added** === | ||
| 288 | |||
| 289 | |||
| 290 | //Check network configuration command line input: // | ||
| 291 | |||
| 292 | (% class="box infomessage" %) | ||
| 293 | ((( | ||
| 294 | ((( | ||
| 295 | root@dragino-1ef9ac:~~# ifconfig -a | ||
| 296 | ))) | ||
| 297 | ))) | ||
| 298 | |||
| 299 | [[image:image-20220527154822-10.png]] | ||
| 300 | |||
| 301 | //In the command, the output user can see that the new interface added is (% style="color:#037691" %)**eth2**// | ||
| 302 | |||
| 303 | //Usually, the user can see that the new interface added is (% style="color:#037691" %)**eth2** (% style="color:black" %)or (% style="color:#037691" %)**wwan0**// | ||
| 304 | |||
| 305 | |||
| 306 | === **5.3.3 Add the new interface to the network configuration.** === | ||
| 307 | |||
| 308 | |||
| 309 | //Enter the configuration from the command line~:// | ||
| 310 | |||
| 311 | (% class="box" %) | ||
| 312 | ((( | ||
| 313 | uci set network.lte=interface | ||
| 314 | uci set network.lte.proto=dhcp | ||
| 315 | uci set network.lte.ifname=eth2 ~-~-~-~-~-~-~-~-->#This depend on the name of the new interface gateway add | ||
| 316 | uci commit network | ||
| 317 | uci set firewall.@zone[1].network="wan wwan wan6 lte" | ||
| 318 | uci commit firewall | ||
| 319 | /etc/init.d/network restart | ||
| 320 | ))) | ||
| 321 | |||
| 322 | [[image:image-20220527154937-11.png]] | ||
| 323 | |||
| 324 | |||
| 325 | //**Checking Network Configurations**// | ||
| 326 | |||
| 327 | //Command-line input: (% style="color:#037691" %)**ifconfig**// | ||
| 328 | |||
| 329 | [[image:image-20220527155013-12.png]] | ||
| 330 | |||
| 331 | //Now, Gateway is configured to access the internet on the LTE network.// | ||
| 332 | |||
| 333 | |||
| 334 | == **5.4 NCM mode** == | ||
| 335 | |||
| 336 | |||
| 337 | == **5.5 Troubleshooting** == | ||
| 338 | |||
| 339 | |||
| 340 | === **5.5.1 The USB-Dongle interface cannot obtain the IP address.** === | ||
| 341 | |||
| 342 | |||
| 343 | //Please try this USB dongle to access the internet on your PC, to make sure this USB dongle can normally access the internet.// | ||
| 344 | |||
| 345 | |||
| 346 | = **6. How to reduce data traffic** = | ||
| 347 | |||
| 348 | |||
| 349 | == **6.1 Introduce** == | ||
| 350 | |||
| 351 | |||
| 352 | **//The gateways will use the data traffic below two places.//** | ||
| 353 | |||
| 354 | |||
| 355 | //1. There is the data traffic from LoRa package Forward which were the gateway status package and sensor end node uplink/downlink.// | ||
| 356 | |||
| 357 | //For this case, by default, the gateway will uplink self-status to the LoRaWAN server per the 30s. the users can adjust the interval time.// | ||
| 358 | |||
| 359 | [[image:image-20220527155108-13.png]] | ||
| 360 | |||
| 361 | |||
| 362 | //2. There is the data traffic from the gateway check self-network status. by default, the gateway will check the network per 15s.// | ||
| 363 | |||
| 364 | //For this case, We have monitored the loss of data traffic, which is the loss of 2M data traffic per day. the users can adjust the interval time following screenshots.// | ||
| 365 | |||
| 366 | [[image:image-20220527155358-16.png]] | ||
| 367 | |||
| 368 | //System General interface// | ||
| 369 | |||
| 370 | |||
| 371 | [[image:image-20220527155229-15.png]] | ||
| 372 | |||
| 373 | //Keepalive script interval time settings// | ||
| 374 | |||
| 375 |