Wiki source code of Notes for cellular network connection

Version 57.1 by Kilight Cao on 2022/06/06 15:25

version	line-number	content
23.2	1	Table of Contents：
1.2	2
1.1	3	{{toc/}}
	4
23.2	5
	6
15.1	7	= 1. Enable Cellular Connection =
1.1	8
	9
15.1	10	//If your device has a Cellular module, you can see the below screenshot. enable the cellular connection here.//
	11
42.2	12	[[image:image-20220601110850-2.png]]
1.1	13
15.1	14	//Enable Cellular Connection//
	15
42.4	16
1.12	17	(((
15.1	18	//If your device doesn't have a cellular module, you will see a cellular module not detected.//
1.12	19	)))
1.1	20
24.2	21	[[image:image-20220527153544-2.png]]
1.1	22
	23
15.1	24	= 2. How to Debug if Cellular connection fails =
1.1	25
	26
15.1	27	//If there is a problem with the cellular connection. Please check the below points~://
1.1	28
	29
15.1	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
1.2	35	(% class="box" %)
	36	(((
15.1	37	//root@dragino-1bbd90:~~# lsusb
1.2	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
15.1	40	Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub//
1.2	41	)))
1.1	42
41.2	43	[[image:image-20220601110748-1.png]]
15.1	44
6.1	45
15.1	46	== 2.2 Do you input the SIM card correctly ==
1.1	47
2.1	48
15.1	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
1.2	54	(% class="box" %)
	55	(((
15.1	56	//root@dragino-1dadd8:~~# comgt -d /dev/ttyUSB3
1.2	57	SIM ready
	58	Waiting for Registration..(120 sec max)
6.1	59	Registered on Home network: "CHN-UNICOM",7
15.1	60	Signal Quality: 10,99//
1.2	61	)))
	62
15.1	63
11.1	64	(% class="wikigeneratedid" %)
27.2	65	[[image:image-20220527153804-4.png]]
14.1	66
15.1	67
14.1	68	(% class="wikigeneratedid" %)
15.1	69	//Note: If the icon is missing some information, like SIM, Network, or Signal, which may be due to the display bug.//
14.1	70
	71	(% class="wikigeneratedid" %)
15.1	72	//Please check the IP address is displayed and the Internet displays "OK", it works properly.//
6.1	73
11.1	74	(% class="wikigeneratedid" %)
27.2	75	[[image:image-20220527153827-5.png]]
11.1	76
27.3	77
18.1	78	== 2.3 Check dialing info ==
1.2	79
16.1	80	//run "logread -f" in gateway CLI。//
1.2	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
27.3	111	(% style="color:#037691" %)*Fri Feb 7 01:20:30 2020 local2.info chat[29485]: send (ATD99#^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**(%%)
1.4	113	(% style="color:black" %)Fri Feb 7 01:20:30 2020 local2.info chat[29485]: expect (CONNECT)
1.2	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
27.4	122
15.1	123	= 3. Share Cellular Network for WiFi & LAN clients =
1.2	124
15.1	125
1.12	126	(((
15.1	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.//
1.12	128	)))
1.2	129
1.5	130	(% class="box" %)
	131	(((
1.12	132	(((
15.1	133	root@dragino-1d25dc:~~# cat /etc/config/firewall
	134
1.5	135	config defaults
1.2	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'
1.5	145	option forward 'REJECT'
1.2	146	config zone
	147	option name 'wan'
	148	list network 'wan'
	149	list network 'wwan'
	150	list network 'wan6'
1.5	151	list network 'cellular' ~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~--> Add this line and reboot
1.2	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'
1.5	160	)))
1.12	161	)))
1.2	162
1.14	163	(((
15.1	164	//and run /etc/init.d/firewall reload or reboot the device.//
	165
55.1	166
	167
44.1	168	= 4. Switching between Cellular and Ethernet and Wi-Fi networks =
	169
	170
55.1	171	//By default, Cell is the backup WAN where the Ethernet or Wi-Fi network is used first if they are available.//
44.1	172
55.1	173	//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.//
53.1	174
	175
	176
55.1	177	Enable Cellular and connect Ethernet at the same time
53.1	178
57.1	179	ETH icon is displayed as [[image:http://wiki1.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/DLOS8N/WebHome/1652436675869-206.png?width=15&height=14&rev=1.1\|\|alt="1652436675869-206.png" height="28" width="30"]] Indicates that Ethernet is the main working network.
53.1	180
57.1	181	Cell icon is displayed as [[image:http://wiki1.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/DLOS8N/WebHome/1652436705761-420.png?width=15&height=15&rev=1.1\|\|alt="1652436705761-420.png" height="30" width="30"]] Indicates that Cellular is the backup WAN.
53.1	182
55.1	183
	184	== 4.1. Switching between Cellular and Ethernet networks ==
	185
	186
	187	//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//
	188
51.1	189	[[image:image-20220606140622-2.png\|\|height="664" width="1106"]]
44.1	190
	191
54.1	192	//Remove the network cable from the WAN port on the gateway, the gateway will switch to a Cellular network.//
53.1	193
	194	[[image:image-20220606140859-4.png\|\|height="687" width="1107"]]
	195
55.1	196
51.1	197	== 4.2 Switching between Cellular and WiFi networks ==
44.1	198
53.1	199
	200	(% class="wikigeneratedid" %)
54.1	201	//Enable Cellular and connect WiFi at the same time//
53.1	202
57.1	203	//WiFi icon is displayed as //[[image:http://wiki1.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/DLOS8N/WebHome/1652436675869-206.png?width=15&height=14&rev=1.1\|\|alt="1652436675869-206.png" height="28" width="30"]]// Indicates that WiFi is the main working network.//
53.1	204
57.1	205	//Cell icon is displayed as //[[image:http://wiki1.dragino.com/xwiki/bin/download/Main/User%20Manual%20for%20All%20Gateway%20models/DLOS8N/WebHome/1652436705761-420.png?width=15&height=15&rev=1.1\|\|alt="1652436705761-420.png" height="30" width="30"]]// Indicates that Cellular is the backup WAN.//
53.1	206
51.1	207	[[image:image-20220606141113-7.png\|\|height="678" width="1106"]]
	208
53.1	209
54.1	210	//Close the WiFi WAN, the gateway will switch to a Cellular network.//
53.1	211
51.1	212	[[image:image-20220606140932-5.png\|\|height="687" width="1107"]]
	213
45.1	214
55.1	215	== 4.3 At the same time start Cellular and Ethernet and Wi-Fi networks ==
53.1	216
	217
	218	[[image:image-20220606140328-1.png\|\|height="682" width="1108"]]
	219
15.1	220
1.14	221	)))
1.2	222
44.1	223	= 5. How does the gateway view the International Mobile Equipment Identity (IMEI) =
1.2	224
	225
15.1	226	//Users can access the gateway CLI and run the minicom command to get the configuration interface.//
	227
1.13	228	(((
15.1	229
	230
16.1	231	//Enter the minicom command, then select the option ''serial port setup".//
1.13	232	)))
1.2	233
1.5	234	(% class="box infomessage" %)
	235	(((
	236	root@dragino-1ef9ac:~~# minicom -s
	237	)))
1.2	238
31.2	239	[[image:image-20220527154132-6.png]]
1.2	240
	241
15.1	242	And then, change the setting:
1.2	243
15.1	244	(% class="box infomessage" %)
	245	(((
31.2	246	(% style="color:black" %)Serial Device : (% style="color:#037691" %)/dev/ttyModemAT
1.2	247
31.2	248	(% style="color:black" %)Bps/Par/Bits :(% style="color:#037691" %) 9600 8N1
15.1	249	)))
1.2	250
15.1	251
16.1	252	//Note: Enter the corresponding letter to change the configuration, like A,B,C//
15.1	253
31.2	254	[[image:image-20220527154154-7.png]]
1.2	255
	256
22.1	257	//Enter AT+GSN in the interface to get the IMEI,//
1.2	258
22.1	259	// For example (% style="color:#037691" %)860548042566627(%%)//
1.2	260
1.6	261	(% class="box infomessage" %)
	262	(((
1.13	263	(((
31.2	264	AT+GSN
1.6	265	)))
1.13	266	)))
1.2	267
31.2	268	[[image:image-20220527154231-8.png]]
1.2	269
18.1	270
56.1	271	= 6. How does the gateway connect to the network via a USB 4G Dongle =
1.2	272
18.1	273
56.1	274	== 6.1 Introduction ==
1.2	275
20.1	276
22.1	277	(% style="color:red" %)//Prerequisite: Requires a USB 4G Dongle and a supported gateway firmware//
1.2	278
1.15	279	(((
16.1	280	//This introduces a setup and configured gateway for using a USB 3g/UMTS-modem for WAN connection.//
20.1	281
	282
1.15	283	)))
1.2	284
1.15	285	(((
20.1	286	//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.//
1.15	287	)))
1.2	288
1.15	289	(((
16.1	290	//This is not beginner-friendly due to too many protocols.//
20.1	291
	292	//For more information: [[https:~~/~~/openwrt.org/docs/guide-user/network/wan/wwan/3gdongle>>url:https://openwrt.org/docs/guide-user/network/wan/wwan/3gdongle]]//
	293
	294
1.15	295	)))
1.2	296
56.1	297	== 6.2 How to use the USB Dongle at the gateway ==
1.2	298
18.1	299
16.1	300	//Most of the products can be used on the gateway, but because their protocols are different, they are not used in the same way.//
1.2	301
1.15	302	(((
20.1	303	//For example, the Huawei-E3372/E8372 is using Hilink mode or NCM mode.//
1.15	304	)))
1.2	305
1.8	306	(% class="box" %)
	307	(((
	308	Huawei-E3372/E8372
16.1	309	Check the (% style="color:#037691" %)E3372(% style="color:black" %) version to determine the mode.
1.2	310	The version numbers starting with 21 is NCM mode
	311	The version numbers starting with 22 is Hilink mode
16.1	312	The E8372 only has Hilink mode
	313	~ (% style="color:red" %)Note： The e3372 in the vast majority of cases is Hilink mode
1.8	314	)))
1.2	315
21.1	316
56.1	317	== 6.3 Hilink mode ==
1.2	318
18.1	319
16.1	320	//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/]]//
1.2	321
18.1	322
56.1	323	=== 6.3.1 Plugs into the device ===
1.2	324
18.1	325
1.16	326	(((
16.1	327	//USB-Dongle plugs into the gateway USB port//
1.16	328	)))
1.2	329
1.16	330	(((
16.1	331	//Check the USB module via command (% style="color:#037691" %)lsusb//
1.16	332	)))
1.2	333
1.16	334	(((
16.1	335	(% style="color:red" %)//Note: Users need to that connect to the gateway command line via ssh.//
1.16	336	)))
1.2	337
32.2	338	[[image:image-20220527154739-9.png]]
1.2	339
18.1	340
56.1	341	=== 6.3.2 Detection of new network interfaces added ===
1.2	342
18.1	343
20.1	344	//Check network configuration command line input: //
1.2	345
16.1	346	(% class="box infomessage" %)
	347	(((
	348	(((
	349	root@dragino-1ef9ac:~~# ifconfig -a
	350	)))
	351	)))
1.2	352
33.2	353	[[image:image-20220527154822-10.png]]
1.2	354
16.1	355	//In the command, the output user can see that the new interface added is (% style="color:#037691" %)eth2//
1.2	356
16.1	357	//Usually, the user can see that the new interface added is (% style="color:#037691" %)eth2 (% style="color:black" %)or (% style="color:#037691" %)wwan0//
1.2	358
18.1	359
56.1	360	=== 6.3.3 Add the new interface to the network configuration. ===
1.2	361
18.1	362
16.1	363	//Enter the configuration from the command line~://
1.2	364
1.11	365	(% class="box" %)
	366	(((
	367	uci set network.lte=interface
1.2	368	uci set network.lte.proto=dhcp
1.11	369	uci set network.lte.ifname=eth2 ~-~-~-~-~-~-~-~-->#This depend on the name of the new interface gateway add
1.2	370	uci commit network
	371	uci set firewall.@zone[1].network="wan wwan wan6 lte"
	372	uci commit firewall
	373	/etc/init.d/network restart
1.11	374	)))
1.2	375
34.2	376	[[image:image-20220527154937-11.png]]
1.2	377
	378
19.1	379	//Checking Network Configurations//
18.1	380
16.1	381	//Command-line input: (% style="color:#037691" %)ifconfig//
1.2	382
35.2	383	[[image:image-20220527155013-12.png]]
1.2	384
16.1	385	//Now, Gateway is configured to access the internet on the LTE network.//
1.2	386
18.1	387
56.1	388	== 6.4 NCM mode ==
1.2	389
18.1	390
56.1	391	== 6.5 Troubleshooting ==
1.2	392
18.1	393
56.1	394	=== 6.5.1 The USB-Dongle interface cannot obtain the IP address. ===
1.2	395
18.1	396
16.1	397	//Please try this USB dongle to access the internet on your PC, to make sure this USB dongle can normally access the internet.//
1.2	398
18.1	399
56.1	400	= 7. How to reduce data traffic =
1.2	401
18.1	402
56.1	403	== 7.1 Reduce Status Uplink Interval ==
1.2	404
	405
18.1	406	//The gateways will use the data traffic below two places.//
	407
	408
16.1	409	//1. There is the data traffic from LoRa package Forward which were the gateway status package and sensor end node uplink/downlink.//
1.2	410
16.1	411	//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.//
1.2	412
36.2	413	[[image:image-20220527155108-13.png]]
1.2	414
18.1	415
16.1	416	//2. There is the data traffic from the gateway check self-network status. by default, the gateway will check the network per 15s.//
1.2	417
16.1	418	//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.//
1.2	419
39.2	420	[[image:image-20220527155358-16.png]]
1.2	421
16.1	422	//System General interface//
1.2	423
	424
39.2	425	[[image:image-20220527155229-15.png]]
	426
16.1	427	//Keepalive script interval time settings//
1.2	428
43.1	429
56.1	430	== 7.2 Filter unwanted packets ==
43.1	431
	432	See [[How to filter unwanted packets>>doc:Main.Filter unwanted LoRaWAN packets.WebHome]]
	433
42.3	434

Wiki source code of Notes for cellular network connection

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