Wiki source code of Notes for cellular network connection

Version 71.1 by Kilight Cao on 2022/07/18 17:12

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
65.1	122
64.1	123	== 2.4 If the following situation occurs, how can users solve this problem? ==
27.4	124
64.1	125
67.1	126	=== 2.4.1 The gateway can read the SIM card, But the Internet is displayed as Fail. ===
64.1	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
67.1	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. ===
64.1	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
67.1	144	=== 2.4.3 The gateway can't read the SIM card, and the Internet is displayed as Fail. ===
64.1	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
67.1	152	=== *2.4.4 SIM display：~~*SIM ERROR~~ Check SIM is inserted test SIM in a mobile phone？ ===
64.1	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
15.1	159	= 3. Share Cellular Network for WiFi & LAN clients =
1.2	160
15.1	161
1.12	162	(((
15.1	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.//
1.12	164	)))
1.2	165
1.5	166	(% class="box" %)
	167	(((
1.12	168	(((
15.1	169	root@dragino-1d25dc:~~# cat /etc/config/firewall
	170
1.5	171	config defaults
1.2	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'
1.5	181	option forward 'REJECT'
1.2	182	config zone
	183	option name 'wan'
	184	list network 'wan'
	185	list network 'wwan'
	186	list network 'wan6'
1.5	187	list network 'cellular' ~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~--> Add this line and reboot
1.2	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'
1.5	196	)))
1.12	197	)))
1.2	198
1.14	199	(((
15.1	200	//and run /etc/init.d/firewall reload or reboot the device.//
	201
55.1	202
	203
44.1	204	= 4. Switching between Cellular and Ethernet and Wi-Fi networks =
	205
	206
55.1	207	//By default, Cell is the backup WAN where the Ethernet or Wi-Fi network is used first if they are available.//
44.1	208
55.1	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.//
53.1	210
	211
	212
55.1	213	Enable Cellular and connect Ethernet at the same time
53.1	214
71.1	215	ETH icon is displayed as [[image:1658135519305-444.png]] Indicates that Ethernet is the main working network.
53.1	216
71.1	217	Cell icon is displayed as [[image:1658135500498-725.png]] Indicates that Cellular is the backup WAN.
53.1	218
55.1	219
67.1	220	== 4.1 Switching between Cellular and Ethernet networks ==
55.1	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
51.1	225	[[image:image-20220606140622-2.png\|\|height="664" width="1106"]]
44.1	226
	227
54.1	228	//Remove the network cable from the WAN port on the gateway, the gateway will switch to a Cellular network.//
53.1	229
	230	[[image:image-20220606140859-4.png\|\|height="687" width="1107"]]
	231
55.1	232
51.1	233	== 4.2 Switching between Cellular and WiFi networks ==
44.1	234
53.1	235
	236	(% class="wikigeneratedid" %)
54.1	237	//Enable Cellular and connect WiFi at the same time//
53.1	238
57.1	239	//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	240
57.1	241	//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	242
51.1	243	[[image:image-20220606141113-7.png\|\|height="678" width="1106"]]
	244
53.1	245
54.1	246	//Close the WiFi WAN, the gateway will switch to a Cellular network.//
53.1	247
51.1	248	[[image:image-20220606140932-5.png\|\|height="687" width="1107"]]
	249
45.1	250
55.1	251	== 4.3 At the same time start Cellular and Ethernet and Wi-Fi networks ==
53.1	252
	253
	254	[[image:image-20220606140328-1.png\|\|height="682" width="1108"]]
	255
15.1	256
1.14	257	)))
1.2	258
44.1	259	= 5. How does the gateway view the International Mobile Equipment Identity (IMEI) =
1.2	260
	261
15.1	262	//Users can access the gateway CLI and run the minicom command to get the configuration interface.//
	263
1.13	264	(((
15.1	265
	266
16.1	267	//Enter the minicom command, then select the option ''serial port setup".//
1.13	268	)))
1.2	269
1.5	270	(% class="box infomessage" %)
	271	(((
	272	root@dragino-1ef9ac:~~# minicom -s
	273	)))
1.2	274
31.2	275	[[image:image-20220527154132-6.png]]
1.2	276
	277
15.1	278	And then, change the setting:
1.2	279
15.1	280	(% class="box infomessage" %)
	281	(((
31.2	282	(% style="color:black" %)Serial Device : (% style="color:#037691" %)/dev/ttyModemAT
1.2	283
31.2	284	(% style="color:black" %)Bps/Par/Bits :(% style="color:#037691" %) 9600 8N1
15.1	285	)))
1.2	286
15.1	287
16.1	288	//Note: Enter the corresponding letter to change the configuration, like A,B,C//
15.1	289
31.2	290	[[image:image-20220527154154-7.png]]
1.2	291
	292
22.1	293	//Enter AT+GSN in the interface to get the IMEI,//
1.2	294
22.1	295	// For example (% style="color:#037691" %)860548042566627(%%)//
1.2	296
1.6	297	(% class="box infomessage" %)
	298	(((
1.13	299	(((
31.2	300	AT+GSN
1.6	301	)))
1.13	302	)))
1.2	303
31.2	304	[[image:image-20220527154231-8.png]]
1.2	305
18.1	306
56.1	307	= 6. How does the gateway connect to the network via a USB 4G Dongle =
1.2	308
18.1	309
56.1	310	== 6.1 Introduction ==
1.2	311
20.1	312
22.1	313	(% style="color:red" %)//Prerequisite: Requires a USB 4G Dongle and a supported gateway firmware//
1.2	314
1.15	315	(((
16.1	316	//This introduces a setup and configured gateway for using a USB 3g/UMTS-modem for WAN connection.//
20.1	317
	318
1.15	319	)))
1.2	320
1.15	321	(((
20.1	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.//
1.15	323	)))
1.2	324
1.15	325	(((
16.1	326	//This is not beginner-friendly due to too many protocols.//
20.1	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
1.15	331	)))
1.2	332
56.1	333	== 6.2 How to use the USB Dongle at the gateway ==
1.2	334
18.1	335
16.1	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.//
1.2	337
1.15	338	(((
20.1	339	//For example, the Huawei-E3372/E8372 is using Hilink mode or NCM mode.//
1.15	340	)))
1.2	341
1.8	342	(% class="box" %)
	343	(((
	344	Huawei-E3372/E8372
16.1	345	Check the (% style="color:#037691" %)E3372(% style="color:black" %) version to determine the mode.
1.2	346	The version numbers starting with 21 is NCM mode
	347	The version numbers starting with 22 is Hilink mode
16.1	348	The E8372 only has Hilink mode
	349	~ (% style="color:red" %)Note： The e3372 in the vast majority of cases is Hilink mode
1.8	350	)))
1.2	351
21.1	352
56.1	353	== 6.3 Hilink mode ==
1.2	354
18.1	355
16.1	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/]]//
1.2	357
18.1	358
56.1	359	=== 6.3.1 Plugs into the device ===
1.2	360
18.1	361
1.16	362	(((
16.1	363	//USB-Dongle plugs into the gateway USB port//
1.16	364	)))
1.2	365
1.16	366	(((
16.1	367	//Check the USB module via command (% style="color:#037691" %)lsusb//
1.16	368	)))
1.2	369
1.16	370	(((
16.1	371	(% style="color:red" %)//Note: Users need to that connect to the gateway command line via ssh.//
1.16	372	)))
1.2	373
32.2	374	[[image:image-20220527154739-9.png]]
1.2	375
18.1	376
56.1	377	=== 6.3.2 Detection of new network interfaces added ===
1.2	378
18.1	379
20.1	380	//Check network configuration command line input: //
1.2	381
16.1	382	(% class="box infomessage" %)
	383	(((
	384	(((
	385	root@dragino-1ef9ac:~~# ifconfig -a
	386	)))
	387	)))
1.2	388
33.2	389	[[image:image-20220527154822-10.png]]
1.2	390
16.1	391	//In the command, the output user can see that the new interface added is (% style="color:#037691" %)eth2//
1.2	392
16.1	393	//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	394
18.1	395
56.1	396	=== 6.3.3 Add the new interface to the network configuration. ===
1.2	397
18.1	398
16.1	399	//Enter the configuration from the command line~://
1.2	400
1.11	401	(% class="box" %)
	402	(((
	403	uci set network.lte=interface
1.2	404	uci set network.lte.proto=dhcp
1.11	405	uci set network.lte.ifname=eth2 ~-~-~-~-~-~-~-~-->#This depend on the name of the new interface gateway add
1.2	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
1.11	410	)))
1.2	411
34.2	412	[[image:image-20220527154937-11.png]]
1.2	413
	414
19.1	415	//Checking Network Configurations//
18.1	416
16.1	417	//Command-line input: (% style="color:#037691" %)ifconfig//
1.2	418
35.2	419	[[image:image-20220527155013-12.png]]
1.2	420
16.1	421	//Now, Gateway is configured to access the internet on the LTE network.//
1.2	422
18.1	423
56.1	424	== 6.4 NCM mode ==
1.2	425
18.1	426
56.1	427	== 6.5 Troubleshooting ==
1.2	428
18.1	429
56.1	430	=== 6.5.1 The USB-Dongle interface cannot obtain the IP address. ===
1.2	431
18.1	432
16.1	433	//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	434
18.1	435
56.1	436	= 7. How to reduce data traffic =
1.2	437
18.1	438
56.1	439	== 7.1 Reduce Status Uplink Interval ==
1.2	440
	441
18.1	442	//The gateways will use the data traffic below two places.//
	443
	444
16.1	445	//1. There is the data traffic from LoRa package Forward which were the gateway status package and sensor end node uplink/downlink.//
1.2	446
16.1	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.//
1.2	448
36.2	449	[[image:image-20220527155108-13.png]]
1.2	450
18.1	451
16.1	452	//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	453
16.1	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.//
1.2	455
39.2	456	[[image:image-20220527155358-16.png]]
1.2	457
16.1	458	//System General interface//
1.2	459
	460
39.2	461	[[image:image-20220527155229-15.png]]
	462
16.1	463	//Keepalive script interval time settings//
1.2	464
43.1	465
56.1	466	== 7.2 Filter unwanted packets ==
43.1	467
	468	See [[How to filter unwanted packets>>doc:Main.Filter unwanted LoRaWAN packets.WebHome]]
	469
42.3	470

Wiki source code of Notes for cellular network connection

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