Last modified by Xiaoling on 2024/08/08 09:05
<
From version < 1.4 >
edited by Xiaoling
on 2022/05/14 09:22
To version < 83.1 >
edited by Edwin Chen
on 2023/05/05 08:17
>
Change comment: There is no comment for this version

Summary

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Page properties
Title
... ... @@ -1,1 +1,1 @@
1 -Notes for cellular network connection
1 +Cellular network connection details and tips
Author
... ... @@ -1,1 +1,1 @@
1 -XWiki.Xiaoling
1 +XWiki.Edwin
Content
... ... @@ -1,54 +1,87 @@
1 -Table of Contents：
1 +
2 2  
3 +**Table of Contents：**
4 +
3 3  {{toc/}}
4 4  
7 +
8 +
5 5  = 1. Enable Cellular Connection =
6 6  
11 +
7 7  If your device has a Cellular module, you can see the below screenshot. enable the cellular connection here.
8 8  
9 -[[image:https://wiki.dragino.com/images/thumb/8/81/Cellular_11.png/600px-Cellular_11.png||height="262" width="600"]]
14 +[[image:image-20220601110850-2.png]]
10 10  
11 -Enable Cellular Connection
16 +**//Enable Cellular Connection//**
12 12  
18 +
19 +(((
13 13  If your device doesn't have a cellular module, you will see a cellular module not detected.
21 +)))
14 14  
15 -[[image:https://wiki.dragino.com/images/thumb/d/da/Cellular_10.png/600px-Cellular_10.png||height="400" width="600"]]
23 +[[image:image-20220527153544-2.png]]
16 16  
17 -No Cellular Module
18 18  
19 -= 2. How to Debug if Cellular connection fail =
26 += 2. How to Debug if Cellular connection fails =
20 20  
21 -If there is a problem for cellular connection. Please check the below points:
22 22  
23 -== 2.1 Do you order the model with cellular option ==
29 +If there is a problem with the cellular connection. Please check the below points:
24 24  
25 -Make sure you order the model with the cellular option. Can check by command:
26 26  
32 +== 2.1 Do you order the model with a cellular option ==
33 +
34 +
35 +Make sure you order the model with the cellular option. Can check by command or via the Web UI.
36 +
27 27  (% class="box" %)
28 28  (((
29 -root@dragino-1bbd90:~~# lsusb
39 +//root@dragino-1bbd90:~~# lsusb
30 30  Bus 001 Device 004: ID 2c7c:0125      ~-~-> This is the Cellular module
31 31  Bus 001 Device 002: ID 1a40:0101 Terminus Technology Inc. Hub
32 -Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
42 +Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub//
33 33  )))
34 34  
45 +[[image:image-20220601110748-1.png]]
46 +
47 +
35 35  == 2.2 Do you input the SIM card correctly ==
36 36  
37 -Below command can check:
38 38  
51 +**Below command can check if you have a SIM card inserted, or via Web UI**
52 +
53 +* 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
54 +* Make sure you have the correct direction to insert the SIM card. Every device has an example photo in the manual for the direction.
55 +
39 39  (% class="box" %)
40 40  (((
41 -root@dragino-1bbd90:~~# comgt -d /dev/ttyUSB3
58 +//root@dragino-1dadd8:~~# **comgt -d /dev/ttyUSB3**
42 42  SIM ready
43 43  Waiting for Registration..(120 sec max)
44 -Registered on Home network: "CHN-CT",7
45 -Signal Quality: 23,99
61 +Registered on Home network: "CHN-UNICOM",7
62 +Signal Quality: 10,99//
46 46  )))
47 47  
65 +
66 +(% class="wikigeneratedid" %)
67 +[[image:image-20220527153804-4.png]]
68 +
69 +
70 +(% class="wikigeneratedid" %)
71 +**​​(% style="color:red" %)Note:(%%)**(% style="color:red" %) **If the icon is missing some information, like SIM, Network, or Signal, which may be due to the display bug.**
72 +
73 +(% class="wikigeneratedid" %)
74 +Please check the IP address is displayed and the Internet displays "OK", it works properly.
75 +
76 +(% class="wikigeneratedid" %)
77 +[[image:image-20220527153827-5.png]]
78 +
79 +
48 48  == 2.3 Check dialing info ==
49 49  
50 -run "logread -f" in console
51 51  
83 +run "**logread -f**" in gateway CLI。
84 +
52 52  (% class="box" %)
53 53  (((
54 54  Fri Feb  7 01:20:28 2020 daemon.notice pppd[29452]: pppd 2.4.7 started by root, uid 0
... ... @@ -78,8 +78,8 @@
78 78  Fri Feb  7 01:20:30 2020 local2.info chat[29485]: AT+CGDCONT=1,"IP",""^M^M
79 79  Fri Feb  7 01:20:30 2020 local2.info chat[29485]: OK
80 80  Fri Feb  7 01:20:30 2020 local2.info chat[29485]:  ~-~- got it
81 -(% 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.
82 -(% style="color:#037691" %)Normally the problem is with a provider, need to check if the SIM card has balance or other requirement from the cellular operator
114 +(% 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.
115 +Normally the problem is with a provider, need to check if the SIM card has balance or other requirement from the cellular operator**(%%)
83 83  (% style="color:black" %)Fri Feb  7 01:20:30 2020 local2.info chat[29485]: expect (CONNECT)
84 84  Fri Feb  7 01:20:30 2020 local2.info chat[29485]: ^M
85 85  Fri Feb  7 01:20:30 2020 local2.info chat[29485]: ATD*99#^M^M
... ... @@ -89,13 +89,60 @@
89 89  Fri Feb  7 01:20:30 2020 daemon.info pppd[29452]: Serial connection established.
90 90  )))
91 91  
125 +
126 +== 2.4 If the following situation occurs, how can users solve this problem? ==
127 +
128 +=== 2.4.1 The gateway can read the SIM card, But the Internet is displayed as Fail. ===
129 +
130 +
131 +Users can check whether the APN matched by the SIM card is correct.
132 +
133 +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.
134 +
135 +
136 +[[image:image-20220718155937-1.png||height="562" width="497"]]
137 +
138 +
139 +=== 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. ===
140 +
141 +
142 +It should be SIM card no flow, users can insert SIM cards into the mobile phone for testing.
143 +
144 +
145 +[[image:1658131428288-728.png||height="538" width="494"]]
146 +
147 +
148 +=== 2.4.3 The gateway can't read the SIM card, and the Internet is displayed as Fail. ===
149 +
150 +
151 +Users need to check whether the SIM card type is suitable for the EC25 module.
152 +
153 +
154 +[[image:1658131612484-845.png||height="549" width="499"]]
155 +
156 +
157 +=== 2.4.4 SIM display：~*~**SIM ERROR~*~** Check SIM is inserted test SIM in a mobile phone？ ===
158 +
159 +
160 +Users can insert SIM cards into the mobile phone for testing.
161 +
162 +
163 +[[image:image-20220718160804-3.png||height="602" width="500"]]
164 +
165 +
92 92  = 3. Share Cellular Network for WiFi & LAN clients =
93 93  
168 +
169 +(((
94 94  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.
171 +)))
95 95  
173 +(% class="box" %)
174 +(((
175 +(((
96 96  root@dragino-1d25dc:~~# cat /etc/config/firewall
97 97  
98 -{{{config defaults
178 +config defaults
99 99   option syn_flood '1'
100 100   option input 'ACCEPT'
101 101   option output 'ACCEPT'
... ... @@ -105,13 +105,13 @@
105 105   list network 'lan'
106 106   option input 'ACCEPT'
107 107   option output 'ACCEPT'
108 - option forward 'REJECT'
188 + option forward 'REJECT' 
109 109  config zone
110 110   option name 'wan'
111 111   list network 'wan'
112 112   list network 'wwan'
113 113   list network 'wan6'
114 - list network 'cellular' -----------------> Add this line and reboot
194 + list network 'cellular'   ~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~--> Add this line and reboot
115 115   option input 'REJECT'
116 116   option output 'ACCEPT'
117 117   option forward 'ACCEPT'
... ... @@ -120,165 +120,353 @@
120 120  config forwarding
121 121   option src 'lan'
122 122   option dest 'wan'
123 -}}}
203 +)))
204 +)))
124 124  
125 -and run **/etc/init.d/firewall reload** or reboot the device.
206 +(((
207 +and run **/etc/init.d/firewall reload** or **reboot the device**.
126 126  
127 -= 4. How does the gateway view the International Mobile Equipment Identity (IMEI) =
128 128  
129 -Use SSH to access the gateway configuration page and run the minicom command
210 += 4. Switching between Cellular and Ethernet and Wi-Fi networks =
130 130  
131 -Select "**Serial Port Setup**":
132 132  
133 -{{{root@dragino-1ef9ac:~# minicom -s
134 -}}}
213 +By default, Cell is the backup WAN where the Ethernet or Wi-Fi network is used first if they are available.
135 135  
136 -[[image:https://wiki.dragino.com/images/thumb/0/05/4G-1.png/400px-4G-1.png||height="265" width="400"]]
215 +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.
137 137  
138 -Enter the minicom command
139 139  
218 +**Enable Cellular and connect Ethernet at the same time**
140 140  
141 -Access the serial port of the 4G module
220 +ETH icon is displayed as ​​​ [[image:1658135519305-444.png||height="18" width="19"]] Indicates that Ethernet is the main working network.
142 142  
143 -Serial port setup is as follows:
222 +Cell icon is displayed as  [[image:1658135500498-725.png||height="17" width="17"]] Indicates that Cellular is the backup WAN.
144 144  
145 -**Serial Device :** /dev/ttyModemAT
146 146  
147 -**Bps/Par/Bits :** 9600 8N1 or 115200 8N1
225 +== 4.1 Switching between Cellular and Ethernet networks ==
148 148  
149 -[[image:https://wiki.dragino.com/images/thumb/c/cb/EC25_1.png/400px-EC25_1.png||height="164" width="400"]]
150 150  
151 -Configuring USB Ports
228 +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
152 152  
230 +[[image:image-20220606140622-2.png||height="664" width="1106"]]
153 153  
154 -Enter AT+GSN in the serial port to view the IMEI
155 155  
156 -For example: 860548042566627
233 +**Remove the network cable from the WAN port on the gateway, the gateway will switch to a Cellular network.**
157 157  
158 -{{{AT+GSN
159 -}}}
235 +[[image:image-20220606140859-4.png||height="687" width="1107"]]
160 160  
161 -[[image:https://wiki.dragino.com/images/thumb/6/66/4G-3.png/400px-4G-3.png||height="286" width="400"]]
237 +(% style="display:none" %) (%%)
162 162  
163 -Enter the AT command
239 +== 4.2 Switching between Cellular and WiFi networks ==
164 164  
165 165  
166 -= 5. How does the gateway connect to the network via a USB 4G Dongle =
242 +(% class="wikigeneratedid" %)
243 +Enable **Cellular** and connect **WiFi** at the same time
167 167  
168 -== 5.1 Introduction ==
245 +WiFi icon is displayed as ​​​[[image:1658135519305-444.png||height="23" width="24"]] Indicates that WiFi is the main working network.
169 169  
170 -Prerequisite: Requires a USB 4G Dongle and a supported gateway firmware
247 +Cell icon is displayed as  [[image:1658135500498-725.png||height="23" width="22"]] Indicates that Cellular is the backup WAN.
171 171  
249 +
250 +[[image:image-20220606141113-7.png||height="678" width="1106"]]
251 +
252 +
253 +**Close the WiFi WAN, the gateway will switch to a Cellular network.**
254 +
255 +[[image:image-20220606140932-5.png||height="687" width="1107"]]
256 +
257 +
258 +== 4.3 At the same time start Cellular and Ethernet and Wi-Fi networks ==
259 +
260 +
261 +[[image:image-20220606140328-1.png||height="682" width="1108"]]
262 +
263 +
264 +)))
265 +
266 += 5. How does the gateway view the International Mobile Equipment Identity (IMEI) =
267 +
268 +
269 +Users can get the IMEI via Linux command, but you have to access the gateway CLI.
270 +
271 +(% class="box infomessage" %)
272 +(((
273 +**root@dragino-1b7c4c:~~# comgt -d /dev/ttyModemAT -s /etc/gcom/getimsi.gcom **
274 +)))
275 +
276 +[[image:image-20221027140604-1.png||height="330" width="707"]]
277 +
278 +
279 +[[image:image-20221027151146-2.png||height="554" width="1000"]]
280 +
281 +
282 +== **How does the gateway access the Quetel module directly (to send AT commands)** ==
283 +
284 +
285 +Users can access the gateway CLI and run the minicom command to get the configuration interface.
286 +
287 +(((
288 +
289 +
290 +**Enter the minicom command, then select the option ''serial port setup".**
291 +)))
292 +
293 +(% class="box infomessage" %)
294 +(((
295 +**root@dragino-1ef9ac:~~# minicom -s**
296 +)))
297 +
298 +[[image:image-20220527154132-6.png]]
299 +
300 +
301 +And then, change the setting:
302 +
303 +(% class="box infomessage" %)
304 +(((
305 +**Serial Device :** (% style="color:#037691" %)**/dev/ttyModemAT**
306 +
307 +**Bps/Par/Bits :(% style="color:#037691" %) 9600 8N1(%%)**
308 +)))
309 +
310 +
311 +(% style="color:red" %)**Note: Enter the corresponding letter to change the configuration, like A,B,C**
312 +
313 +[[image:image-20220527154154-7.png]]
314 +
315 +
316 +=== **International Mobile Equipment Identity (IMEI)** ===
317 +
318 +
319 +(((
320 +Enter (% style="color:blue" %)**AT+GSN **(%%)in the interface to get the IMEI,
321 +)))
322 +
323 +(((
324 +**For example: (% style="color:#037691" %)860548042566627(%%)**
325 +)))
326 +
327 +(% class="box infomessage" %)
328 +(((
329 +(((
330 + **AT+GSN**
331 +)))
332 +)))
333 +
334 +[[image:image-20220527154231-8.png]]
335 +
336 +
337 +=== **Integrated Circuit Card Identifier (ICCID)** ===
338 +
339 +
340 +(((
341 +Enter (% style="color:blue" %)**AT+QCCID **(%%)in the interface to get the ICCID,
342 +)))
343 +
344 +(((
345 +**For example: (% style="color:#037691" %)89860118005400261748(%%)**
346 +
347 +(% class="box infomessage" %)
348 +(((
349 + **AT+QCCID**
350 +)))
351 +)))
352 +
353 +[[image:1678675878256-777.png]]
354 +
355 +
356 += 6. How does the gateway connect to the network via a USB 4G Dongle =
357 +
358 +== 6.1 Introduction ==
359 +
360 +
361 +(% style="color:red" %)**Prerequisite: Requires a USB 4G Dongle and a supported gateway firmware**
362 +
363 +(((
172 172  This introduces a setup and configured gateway for using a USB 3g/UMTS-modem for WAN connection.
173 173  
174 -Many mode (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. For more information: [[https:~~/~~/openwrt.org/docs/guide-user/network/wan/wwan/3gdongle>>url:https://openwrt.org/docs/guide-user/network/wan/wwan/3gdongle]]
366 +
367 +)))
175 175  
369 +(((
370 +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.
371 +)))
372 +
373 +(((
176 176  This is not beginner-friendly due to too many protocols.
177 177  
376 +For more information: [[https:~~/~~/openwrt.org/docs/guide-user/network/wan/wwan/3gdongle>>url:https://openwrt.org/docs/guide-user/network/wan/wwan/3gdongle]]
178 178  
179 -== 5.2 How to use the USB-Dongle at the gateway ==
378 +
379 +)))
180 180  
381 +== 6.2 How to use the USB Dongle at the gateway ==
382 +
383 +
181 181  Most of the products can be used on the gateway, but because their protocols are different, they are not used in the same way.
182 182  
183 -For example, the Huawei-E3372/E8372 is using Hilink mode or NCM mode.
386 +(((
387 +For example, the Huawei-E3372/E8372 is using **Hilink mode** or **NCM mode**.
388 +)))
184 184  
185 -{{{ Huawei-E3372/E8372
186 - Check E3372 version to determine the mode.
390 +(% class="box" %)
391 +(((
392 + Huawei-E3372/E8372
393 + Check the (% style="color:#037691" %)**E3372**(% style="color:black" %) version to determine the mode.
187 187   The version numbers starting with 21 is NCM mode
188 188   The version numbers starting with 22 is Hilink mode
189 - The E8372 only have Hilink mode
190 - Note：The e3372 in the vast majority of cases is Hilink mode
191 -}}}
396 + The E8372 only has Hilink mode
397 +**~ **(% style="color:red" %)**Note： The e3372 in the vast majority of cases is Hilink mode**
398 +)))
192 192  
193 -== 5.3 Hilink mode ==
194 194  
195 -Gateway upgrade to the specified firmware:
401 +== 6.3 Hilink mode ==
196 196  
197 -[[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/]]
198 198  
199 -=== 5.3.1 1.Plugs into the device ===
404 +//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/]]//
200 200  
406 +
407 +=== 6.3.1 Plugs into the device ===
408 +
409 +
410 +(((
201 201  USB-Dongle plugs into the gateway USB port
412 +)))
202 202  
203 -Check the USB module via comman lsusb
414 +(((
415 +Check the USB module via command (% style="color:#037691" %)**lsusb**
416 +)))
204 204  
205 -Note : User neet to do that connect gateway command line via ssh.
418 +(((
419 +(% style="color:red" %)**Note: Users need to that connect to the gateway command line via ssh.**
420 +)))
206 206  
207 -[[image:https://wiki.dragino.com/images/2/25/Usb-4g.png||height="63" width="554"]]
422 +[[image:image-20220527154739-9.png]]
208 208  
209 -Checking USB Ports
210 210  
211 -=== 5.3.2 2.Detection of new network interfaces added ===
425 +=== 6.3.2 Detection of new network interfaces added ===
212 212  
213 -Command line input: ifconfig -a
214 214  
215 -[[image:https://wiki.dragino.com/images/thumb/a/a0/Usb-4g-1.png/400px-Usb-4g-1.png||height="401" width="400"]]
428 +Check network configuration command line input:
216 216  
217 -Check the network
430 +(% class="box infomessage" %)
431 +(((
432 +(((
433 +**~ root@dragino-1ef9ac:~~# ifconfig -a**
434 +)))
435 +)))
218 218  
219 -In the command output user can see that the new interface added is eth2
437 +[[image:image-20220527154822-10.png]]
220 220  
221 -Usually,user can see that the new interface added is eth2 or wwan0
439 +In the command, the output user can see that the new interface added is (% style="color:#037691" %)**eth2**
222 222  
223 -=== 5.3.3 3.Add the new interface to the network confiutation. ===
441 +Usually, the user can see that the new interface added is (% style="color:#037691" %)**eth2** (% style="color:black" %)or (% style="color:#037691" %)**wwan0**
224 224  
225 -Enter the configuration from the command line:
226 226  
227 -{{{uci set network.lte=interface
444 +=== 6.3.3 Add the new interface to the network configuration. ===
445 +
446 +
447 +//Enter the configuration from the command line~://
448 +
449 +(% class="box" %)
450 +(((
451 +uci set network.lte=interface
228 228  uci set network.lte.proto=dhcp
229 -uci set network.lte.ifname=eth2 --------->#This depend on the name of the new interface gateway add
453 +uci set network.lte.ifname=eth2    ~-~-~-~-~-~-~-~-->#This depend on the name of the new interface gateway add
230 230  uci commit network
231 231  uci set firewall.@zone[1].network="wan wwan wan6 lte"
232 232  uci commit firewall
233 233  /etc/init.d/network restart
234 -}}}
458 +)))
235 235  
236 -[[~[~[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]]
460 +[[image:image-20220527154937-11.png]]
237 237  
238 -Configuration
239 239  
240 -Checking Network Configurations
463 +//**Checking Network Configurations**//
241 241  
242 -Command line input: ifconfig
465 +//Command-line input: (% style="color:#037691" %)**ifconfig**//
243 243  
244 -[[~[~[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]]
467 +[[image:image-20220527155013-12.png]]
245 245  
246 -Checking Network Configurations
469 +Now, Gateway is configured to access the internet on the LTE network.
247 247  
248 -Now, Gateway is configured to access the internet on the Lte network.
249 249  
250 -== 5.4 NCM mode ==
472 +== 6.4 NCM mode ==
251 251  
252 -== 5.5 Troubleshooting ==
253 253  
254 -=== 5.5.1 The USB-Dongle interface cannot obtain the IP address. ===
475 +== 6.5 Troubleshooting ==
255 255  
477 +=== 6.5.1 The USB-Dongle interface cannot obtain the IP address. ===
478 +
479 +
256 256  Please try this USB dongle to access the internet on your PC, to make sure this USB dongle can normally access the internet.
257 257  
258 -= 6. How to reduce data traffic =
259 259  
260 -== 6.1 Introduce ==
483 += 7. How to reduce data traffic =
261 261  
262 -The gateways will use the data traffic were below two places.
485 +== 7.1 How the gateway will consume data traffic ==
263 263  
264 -~1. There is the data traffic from LoRa package Forward which were the gateway status package and sensor end node uplink/downlink.
487 +Below list the place where the data traffic will use.
265 265  
266 -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.
489 +* Valid uplink data to LoRaWAN server or IoT server. ( We can't reduce this as they are the data we want)
490 +* Invalid uplink sensor data to LoRaWAN serevr. ( See Filter unwanted packets)
491 +* LoRaWAN Status push or polling data to LoRaWAN server . ( We can reduce this part , see below for discussion)
492 +* System Keep Alive data. ( To ensure the system is more robust, can be disabled)
493 +* Auto update ( Software auto update, can be disabled)
267 267  
268 -[[image:https://wiki.dragino.com/images/thumb/b/bc/LoRa_interval_time_setting.png/600px-LoRa_interval_time_setting.png||height="282" width="600"]]
269 269  
270 -LoRa interval time setting
496 +(% class="wikigeneratedid" %)
497 +=== 7.1.1 LoRaWAN Status push or polling data to LoRaWAN server ===
271 271  
272 -2. There is the data traffic from the gateway check self-network status. by default, the gateway will check network per 15s.
499 +When gateway connect to LoRaWAN server via LoRaWAN protocol, besides the sensor data uplink/downlink. gateway will still need to:
273 273  
274 -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.
501 +* Uplink self-status to the LoRaWAN server every 30s. the users can adjust **Keep Alive Period** as below
502 +* Check LoRaWAN server status every 5 seconds to see if there is valid downlink command to sensors. We don't provide WEB UI option to modify this time, because the modify of this settings will lead to fail on OTAA Join and Downlink commands.
275 275  
276 -[[image:https://wiki.dragino.com/images/thumb/4/49/Systrm_General.png/600px-Systrm_General.png||height="319" width="600"]]
504 +[[image:image-20220527155108-13.png]]
277 277  
278 -Systrm General
279 279  
280 -[[image:https://wiki.dragino.com/images/thumb/f/f0/Set_time_interval.png/600px-Set_time_interval.png||height="319" width="600"]]
507 +=== 7.1.2 System Keep Alive data ===
281 281  
282 -Keppalive script interval time settings
509 +System Keep Alive Data is used to check gateway-network status and fix possible issue. Gateway will check every 15 seconds and generate traffic.
283 283  
511 +Base on 15 seconds per check, the data traffic is about 2M data traffic per day. Users can adjust **Keepalive Interval** as below.
512 +
513 +[[image:image-20220527155229-15.png]]
514 +
515 +
516 +=== 7.1.3 Auto update ===
517 +
518 +Gateway will check for update every day for new configure or software. User can disable them by below method.
519 +
520 +
521 +=== 7.1.4 Filter unwanted packets ===
522 +
523 +
524 +See [[How to filter unwanted packets>>doc:Main.Filter unwanted LoRaWAN packets.WebHome]]
525 +
526 +
527 +== 7.3 Usage statistics ==
528 +
529 +
530 +~1. Activate LuCI and connect to SSH following [[these instructions>>doc:Main.Install Luci in the new UI firmware.WebHome]]
531 +
532 +2. Install luci-app-statistics using the following terminal commands:
533 +
534 +{{{opkg update
535 +opkg install luci-app-statistics
536 +opkg install collectd-mod-interface
537 +/etc/init.d/collectd enable
538 +reboot
539 +}}}
540 +
541 +3. Select the interface to be monitored by going to **Statistics > Setup **in the upper menu then **Network plugins > Interfaces. **Select **3g-cellular **in the list then save. You can select multiple interfaces by pressing the **ctrl key **while selecting the interfaces.
542 +
543 +[[image:image-20221124133431-1.png]]
544 +
545 +[[image:image-20221124135102-2.png]]
546 +
547 +
548 +4. View the graphs and statistics using by going to **Statistics > Graphs** **> Interfaces > 3g-cellullar**
549 +
550 +[[image:image-20221124134927-1.png]]
551 +
284 284  
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