Version 71.2 by Xiaoling on 2022/07/21 17:55
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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-20220601110850-2.png]]
13
14 **//Enable Cellular Connection//**
15
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-20220601110748-1.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 == **2.4 If the following situation occurs, how can users solve this problem?** ==
124
125
126 === **2.4.1 The gateway can read the SIM card, But the Internet is displayed as Fail.** ===
127
128
129 //Users can check whether the APN matched by the SIM card is correct.//
130
131 //Regarding what APN your SIM card should use, Users can search for the APN corresponding to the SIM card by Google or ask the carrier.//
132
133 [[image:image-20220718155937-1.png||height="562" width="497"]]
134
135
136 === **2.4.2 The gateway can read the SIM card, But the Internet is displayed as Fail, and at the same time Network displays the carrier network.** ===
137
138
139 //It should be SIM card no flow, users can insert SIM cards into the mobile phone for testing.//
140
141 [[image:1658131428288-728.png||height="538" width="494"]]
142
143
144 === **2.4.3 The gateway can't read the SIM card, and the Internet is displayed as Fail.** ===
145
146
147 //Users need to check whether the SIM card type is suitable for the EC25 module.//
148
149 [[image:1658131612484-845.png||height="549" width="499"]]
150
151
152 === **2.4.4 SIM display：~*~**SIM ERROR~*~** Check SIM is inserted test SIM in a mobile phone？** ===
153
154
155 //Users can insert SIM cards into the mobile phone for testing.//
156
157 [[image:image-20220718160804-3.png||height="602" width="500"]]
158
159 = **3. Share Cellular Network for WiFi & LAN clients** =
160
161
162 (((
163 //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.//
164 )))
165
166 (% class="box" %)
167 (((
168 (((
169 root@dragino-1d25dc:~~# cat /etc/config/firewall
170
171 config defaults
172 option syn_flood '1'
173 option input 'ACCEPT'
174 option output 'ACCEPT'
175 option forward 'REJECT'
176 config zone
177 option name 'lan'
178 list network 'lan'
179 option input 'ACCEPT'
180 option output 'ACCEPT'
181 option forward 'REJECT' 
182 config zone
183 option name 'wan'
184 list network 'wan'
185 list network 'wwan'
186 list network 'wan6'
187 list network 'cellular'   ~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~--> Add this line and reboot
188 option input 'REJECT'
189 option output 'ACCEPT'
190 option forward 'ACCEPT'
191 option masq '1'
192 option mtu_fix '1'
193 config forwarding
194 option src 'lan'
195 option dest 'wan'
196 )))
197 )))
198
199 (((
200 //and run **/etc/init.d/firewall reload** or reboot the device.//
201
202
203
204 = **4. Switching between Cellular and Ethernet and Wi-Fi networks** =
205
206
207 //By default, Cell is the backup WAN where the Ethernet or Wi-Fi network is used first if they are available.//
208
209 //Once the Ethernet of the Wi-Fi network is unavailable where the gateway network will switch to a Cell network from Ethernet or Wi-Fi.//
210
211
212
213 **Enable Cellular and connect Ethernet at the same time**
214
215 ETH icon is displayed as ​​​ [[image:1658135519305-444.png]] Indicates that Ethernet is the main working network.
216
217 Cell icon is displayed as  [[image:1658135500498-725.png]] Indicates that Cellular is the backup WAN.
218
219
220 == **4.1 Switching between Cellular and Ethernet networks** ==
221
222
223 //When connecting to the AP WiFI of the gateway, users can access the Web UI of the gateway through the default address 10.130.1.1//
224
225 [[image:image-20220606140622-2.png||height="664" width="1106"]]
226
227
228 //**Remove the network cable from the WAN port on the gateway, the gateway will switch to a Cellular network.**//
229
230 [[image:image-20220606140859-4.png||height="687" width="1107"]]
231
232
233 == **4.2 Switching between Cellular and WiFi networks** ==
234
235
236 (% class="wikigeneratedid" %)
237 //Enable **Cellular** and connect **WiFi** at the same time//
238
239 //WiFi icon is displayed as ​​​//[[image:1658135519305-444.png]]// Indicates that WiFi is the main working network.//
240
241 //Cell icon is displayed as  //[[image:1658135500498-725.png]]// Indicates that Cellular is the backup WAN.//
242
243 [[image:image-20220606141113-7.png||height="678" width="1106"]]
244
245
246 //**Close the WiFi WAN, the gateway will switch to a Cellular network.**//
247
248 [[image:image-20220606140932-5.png||height="687" width="1107"]]
249
250
251 == **4.3 At the same time start Cellular and Ethernet and Wi-Fi networks** ==
252
253
254 [[image:image-20220606140328-1.png||height="682" width="1108"]]
255
256
257 )))
258
259 = **5. How does the gateway view the International Mobile Equipment Identity (IMEI)** =
260
261
262 //Users can access the gateway CLI and run the minicom command to get the configuration interface.//
263
264 (((
265
266
267 **//Enter the minicom command, then select the option ''serial port setup".//**
268 )))
269
270 (% class="box infomessage" %)
271 (((
272 root@dragino-1ef9ac:~~# minicom -s
273 )))
274
275 [[image:image-20220527154132-6.png]]
276
277
278 And then, change the setting:
279
280 (% class="box infomessage" %)
281 (((
282 (% style="color:black" %)**Serial Device :** (% style="color:#037691" %)**/dev/ttyModemAT**
283
284 (% style="color:black" %)**Bps/Par/Bits :**(% style="color:#037691" %)** 9600 8N1**
285 )))
286
287
288 //**Note: Enter the corresponding letter to change the configuration, like A,B,C**//
289
290 [[image:image-20220527154154-7.png]]
291
292
293 //Enter **AT+GSN **in the interface to get the IMEI,//
294
295 // **For example (% style="color:#037691" %)860548042566627(%%)**//
296
297 (% class="box infomessage" %)
298 (((
299 (((
300 **AT+GSN**
301 )))
302 )))
303
304 [[image:image-20220527154231-8.png]]
305
306
307 = **6. How does the gateway connect to the network via a USB 4G Dongle** =
308
309
310 == **6.1 Introduction** ==
311
312
313 (% style="color:red" %)**//Prerequisite: Requires a USB 4G Dongle and a supported gateway firmware//**
314
315 (((
316 //This introduces a setup and configured gateway for using a USB 3g/UMTS-modem for WAN connection.//
317
318
319 )))
320
321 (((
322 //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.//
323 )))
324
325 (((
326 //This is not beginner-friendly due to too many protocols.//
327
328 //For more information: [[https:~~/~~/openwrt.org/docs/guide-user/network/wan/wwan/3gdongle>>url:https://openwrt.org/docs/guide-user/network/wan/wwan/3gdongle]]//
329
330
331 )))
332
333 == **6.2 How to use the USB Dongle at the gateway** ==
334
335
336 //Most of the products can be used on the gateway, but because their protocols are different, they are not used in the same way.//
337
338 (((
339 //For example, the Huawei-E3372/E8372 is using **Hilink mode** or **NCM mode**.//
340 )))
341
342 (% class="box" %)
343 (((
344 Huawei-E3372/E8372
345 Check the (% style="color:#037691" %)**E3372**(% style="color:black" %) version to determine the mode.
346 The version numbers starting with 21 is NCM mode
347 The version numbers starting with 22 is Hilink mode
348 The E8372 only has Hilink mode
349 **~ **(% style="color:red" %)**Note： The e3372 in the vast majority of cases is Hilink mode**
350 )))
351
352
353 == **6.3 Hilink mode** ==
354
355
356 //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/]]//
357
358
359 === **6.3.1 Plugs into the device** ===
360
361
362 (((
363 //USB-Dongle plugs into the gateway USB port//
364 )))
365
366 (((
367 //Check the USB module via command (% style="color:#037691" %)**lsusb**//
368 )))
369
370 (((
371 (% style="color:red" %)//**Note: Users need to that connect to the gateway command line via ssh.**//
372 )))
373
374 [[image:image-20220527154739-9.png]]
375
376
377 === **6.3.2 Detection of new network interfaces added** ===
378
379
380 //Check network configuration command line input: //
381
382 (% class="box infomessage" %)
383 (((
384 (((
385 root@dragino-1ef9ac:~~# ifconfig -a
386 )))
387 )))
388
389 [[image:image-20220527154822-10.png]]
390
391 //In the command, the output user can see that the new interface added is (% style="color:#037691" %)**eth2**//
392
393 //Usually, the user can see that the new interface added is (% style="color:#037691" %)**eth2** (% style="color:black" %)or (% style="color:#037691" %)**wwan0**//
394
395
396 === **6.3.3 Add the new interface to the network configuration.** ===
397
398
399 //Enter the configuration from the command line~://
400
401 (% class="box" %)
402 (((
403 uci set network.lte=interface
404 uci set network.lte.proto=dhcp
405 uci set network.lte.ifname=eth2    ~-~-~-~-~-~-~-~-->#This depend on the name of the new interface gateway add
406 uci commit network
407 uci set firewall.@zone[1].network="wan wwan wan6 lte"
408 uci commit firewall
409 /etc/init.d/network restart
410 )))
411
412 [[image:image-20220527154937-11.png]]
413
414
415 //**Checking Network Configurations**//
416
417 //Command-line input: (% style="color:#037691" %)**ifconfig**//
418
419 [[image:image-20220527155013-12.png]]
420
421 //Now, Gateway is configured to access the internet on the LTE network.//
422
423
424 == **6.4 NCM mode** ==
425
426
427 == **6.5 Troubleshooting** ==
428
429
430 === **6.5.1 The USB-Dongle interface cannot obtain the IP address.** ===
431
432
433 //Please try this USB dongle to access the internet on your PC, to make sure this USB dongle can normally access the internet.//
434
435
436 = **7. How to reduce data traffic** =
437
438
439 == **7.1 Reduce Status Uplink Interval** ==
440
441
442 **//The gateways will use the data traffic below two places.//**
443
444
445 //1. There is the data traffic from LoRa package Forward which were the gateway status package and sensor end node uplink/downlink.//
446
447 //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.//
448
449 [[image:image-20220527155108-13.png]]
450
451
452 //2. There is the data traffic from the gateway check self-network status. by default, the gateway will check the network per 15s.//
453
454 //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.//
455
456 [[image:image-20220527155358-16.png]]
457
458 //System General interface//
459
460
461 [[image:image-20220527155229-15.png]]
462
463 //Keepalive script interval time settings//
464
465
466 == **7.2 Filter unwanted packets** ==
467
468 See [[How to filter unwanted packets>>doc:Main.Filter unwanted LoRaWAN packets.WebHome]]
469
470

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