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Version 28.1 by Xiaoling on 2022/05/27 15:40
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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
124 = **3. Share Cellular Network for WiFi & LAN clients** =
125
126
127 (((
128 //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.//
129 )))
130
131 (% class="box" %)
132 (((
133 (((
134 root@dragino-1d25dc:~~# cat /etc/config/firewall
135
136 config defaults
137 option syn_flood '1'
138 option input 'ACCEPT'
139 option output 'ACCEPT'
140 option forward 'REJECT'
141 config zone
142 option name 'lan'
143 list network 'lan'
144 option input 'ACCEPT'
145 option output 'ACCEPT'
146 option forward 'REJECT' 
147 config zone
148 option name 'wan'
149 list network 'wan'
150 list network 'wwan'
151 list network 'wan6'
152 list network 'cellular'   ~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~--> Add this line and reboot
153 option input 'REJECT'
154 option output 'ACCEPT'
155 option forward 'ACCEPT'
156 option masq '1'
157 option mtu_fix '1'
158 config forwarding
159 option src 'lan'
160 option dest 'wan'
161 )))
162 )))
163
164 (((
165 //and run **/etc/init.d/firewall reload** or reboot the device.//
166
167
168 )))
169
170 = **4. How does the gateway view the International Mobile Equipment Identity (IMEI)** =
171
172
173 //Users can access the gateway CLI and run the minicom command to get the configuration interface.//
174
175 (((
176
177
178 **//Enter the minicom command, then select the option ''serial port setup".//**
179 )))
180
181 (% class="box infomessage" %)
182 (((
183 root@dragino-1ef9ac:~~# minicom -s
184 )))
185
186 [[image:https://wiki.dragino.com/images/thumb/0/05/4G-1.png/400px-4G-1.png||height="265" width="400"]]
187
188
189 And then, change the setting:
190
191 (% class="box infomessage" %)
192 (((
193 **Serial Device :** (% style="color:#037691" %)**/dev/ttyModemAT**
194
195 **Bps/Par/Bits :(% style="color:#037691" %) 9600 8N1(%%)**
196 )))
197
198
199 //**Note: Enter the corresponding letter to change the configuration, like A,B,C**//
200
201 [[image:https://wiki.dragino.com/images/thumb/c/cb/EC25_1.png/400px-EC25_1.png||height="164" width="400"]]
202
203
204 //Enter **AT+GSN **in the interface to get the IMEI,//
205
206 // **For example (% style="color:#037691" %)860548042566627(%%)**//
207
208 (% class="box infomessage" %)
209 (((
210 (((
211 AT+GSN
212 )))
213 )))
214
215 [[image:https://wiki.dragino.com/images/thumb/6/66/4G-3.png/400px-4G-3.png||height="286" width="400"]]
216
217
218 = **5. How does the gateway connect to the network via a USB 4G Dongle** =
219
220
221 == **5.1 Introduction** ==
222
223
224 (% style="color:red" %)**//Prerequisite: Requires a USB 4G Dongle and a supported gateway firmware//**
225
226 (((
227 //This introduces a setup and configured gateway for using a USB 3g/UMTS-modem for WAN connection.//
228
229
230 )))
231
232 (((
233 //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.//
234 )))
235
236 (((
237 //This is not beginner-friendly due to too many protocols.//
238
239 //For more information: [[https:~~/~~/openwrt.org/docs/guide-user/network/wan/wwan/3gdongle>>url:https://openwrt.org/docs/guide-user/network/wan/wwan/3gdongle]]//
240
241
242 )))
243
244 == **5.2 How to use the USB Dongle at the gateway** ==
245
246
247 //Most of the products can be used on the gateway, but because their protocols are different, they are not used in the same way.//
248
249 (((
250 //For example, the Huawei-E3372/E8372 is using **Hilink mode** or **NCM mode**.//
251 )))
252
253 (% class="box" %)
254 (((
255 Huawei-E3372/E8372
256 Check the (% style="color:#037691" %)**E3372**(% style="color:black" %) version to determine the mode.
257 The version numbers starting with 21 is NCM mode
258 The version numbers starting with 22 is Hilink mode
259 The E8372 only has Hilink mode
260 **~ **(% style="color:red" %)**Note： The e3372 in the vast majority of cases is Hilink mode**
261 )))
262
263
264 == **5.3 Hilink mode** ==
265
266
267 //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/]]//
268
269
270 === **5.3.1 Plugs into the device** ===
271
272
273 (((
274 //USB-Dongle plugs into the gateway USB port//
275 )))
276
277 (((
278 //Check the USB module via command (% style="color:#037691" %)**lsusb**//
279 )))
280
281 (((
282 (% style="color:red" %)//**Note: Users need to that connect to the gateway command line via ssh.**//
283 )))
284
285 [[image:https://wiki.dragino.com/images/2/25/Usb-4g.png||height="63" width="554"]]
286
287
288 === 5.3.2 Detection of new network interfaces added ===
289
290
291 //Check network configuration command line input: //
292
293 (% class="box infomessage" %)
294 (((
295 (((
296 root@dragino-1ef9ac:~~# ifconfig -a
297 )))
298 )))
299
300 [[image:https://wiki.dragino.com/images/thumb/a/a0/Usb-4g-1.png/400px-Usb-4g-1.png||height="401" width="400"]]
301
302 //In the command, the output user can see that the new interface added is (% style="color:#037691" %)**eth2**//
303
304 //Usually, the user can see that the new interface added is (% style="color:#037691" %)**eth2** (% style="color:black" %)or (% style="color:#037691" %)**wwan0**//
305
306
307 === **5.3.3 Add the new interface to the network configuration.** ===
308
309
310 //Enter the configuration from the command line~://
311
312 (% class="box" %)
313 (((
314 uci set network.lte=interface
315 uci set network.lte.proto=dhcp
316 uci set network.lte.ifname=eth2    ~-~-~-~-~-~-~-~-->#This depend on the name of the new interface gateway add
317 uci commit network
318 uci set firewall.@zone[1].network="wan wwan wan6 lte"
319 uci commit firewall
320 /etc/init.d/network restart
321 )))
322
323 [[~[~[image:https://wiki.dragino.com/images/thumb/7/73/Usb-4g-4.png/600px-Usb-4g-4.png~|~|height="116" width="600"~]~]>>url:https://wiki.dragino.com/index.php/File:Usb-4g-4.png]]
324
325
326 //**Checking Network Configurations**//
327
328 //Command-line input: (% style="color:#037691" %)**ifconfig**//
329
330 [[~[~[image:https://wiki.dragino.com/images/b/b8/Usb-4g-3.png~|~|height="514" width="554"~]~]>>url:https://wiki.dragino.com/index.php/File:Usb-4g-3.png]]
331
332 //Now, Gateway is configured to access the internet on the LTE network.//
333
334
335 == **5.4 NCM mode** ==
336
337
338 == **5.5 Troubleshooting** ==
339
340
341 === **5.5.1 The USB-Dongle interface cannot obtain the IP address.** ===
342
343
344 //Please try this USB dongle to access the internet on your PC, to make sure this USB dongle can normally access the internet.//
345
346
347 = **6. How to reduce data traffic** =
348
349
350 == **6.1 Introduce** ==
351
352
353 **//The gateways will use the data traffic below two places.//**
354
355
356 //1. There is the data traffic from LoRa package Forward which were the gateway status package and sensor end node uplink/downlink.//
357
358 //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.//
359
360 [[image:https://wiki.dragino.com/images/thumb/b/bc/LoRa_interval_time_setting.png/600px-LoRa_interval_time_setting.png||height="282" width="600"]]
361
362
363 //2. There is the data traffic from the gateway check self-network status. by default, the gateway will check the network per 15s.//
364
365 //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.//
366
367 [[image:https://wiki.dragino.com/images/thumb/4/49/Systrm_General.png/600px-Systrm_General.png||height="319" width="600"]]
368
369 //System General interface//
370
371 [[image:https://wiki.dragino.com/images/thumb/f/f0/Set_time_interval.png/600px-Set_time_interval.png||height="319" width="600"]]
372
373 //Keepalive script interval time settings//
374
375