Wiki source code of Notes for cellular network connection

Version 52.1 by Kilight Cao on 2022/06/06 14:17

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
44.1	166	= 4. Switching between Cellular and Ethernet and Wi-Fi networks =
	167
51.1	168	== 4.1. Switching between Cellular and Ethernet networks ==
44.1	169
51.1	170	[[image:image-20220606140328-1.png\|\|height="682" width="1108"]]
44.1	171
51.1	172	[[image:image-20220606140622-2.png\|\|height="664" width="1106"]]
44.1	173
51.1	174	[[image:image-20220606140859-4.png]][[image:image-20220606140932-5.png\|\|height="687" width="1107"]]
44.1	175
51.1	176	== 4.2 Switching between Cellular and WiFi networks ==
44.1	177
51.1	178	[[image:image-20220606141113-7.png\|\|height="678" width="1106"]]
	179
	180	[[image:image-20220606140932-5.png\|\|height="687" width="1107"]]
	181
45.1	182	== 4.3 ==
	183
15.1	184
1.14	185	)))
1.2	186
44.1	187	= 5. How does the gateway view the International Mobile Equipment Identity (IMEI) =
1.2	188
	189
15.1	190	//Users can access the gateway CLI and run the minicom command to get the configuration interface.//
	191
1.13	192	(((
15.1	193
	194
16.1	195	//Enter the minicom command, then select the option ''serial port setup".//
1.13	196	)))
1.2	197
1.5	198	(% class="box infomessage" %)
	199	(((
	200	root@dragino-1ef9ac:~~# minicom -s
	201	)))
1.2	202
31.2	203	[[image:image-20220527154132-6.png]]
1.2	204
	205
15.1	206	And then, change the setting:
1.2	207
15.1	208	(% class="box infomessage" %)
	209	(((
31.2	210	(% style="color:black" %)Serial Device : (% style="color:#037691" %)/dev/ttyModemAT
1.2	211
31.2	212	(% style="color:black" %)Bps/Par/Bits :(% style="color:#037691" %) 9600 8N1
15.1	213	)))
1.2	214
15.1	215
16.1	216	//Note: Enter the corresponding letter to change the configuration, like A,B,C//
15.1	217
31.2	218	[[image:image-20220527154154-7.png]]
1.2	219
	220
22.1	221	//Enter AT+GSN in the interface to get the IMEI,//
1.2	222
22.1	223	// For example (% style="color:#037691" %)860548042566627(%%)//
1.2	224
1.6	225	(% class="box infomessage" %)
	226	(((
1.13	227	(((
31.2	228	AT+GSN
1.6	229	)))
1.13	230	)))
1.2	231
31.2	232	[[image:image-20220527154231-8.png]]
1.2	233
18.1	234
16.1	235	= 5. How does the gateway connect to the network via a USB 4G Dongle =
1.2	236
18.1	237
16.1	238	== 5.1 Introduction ==
1.2	239
20.1	240
22.1	241	(% style="color:red" %)//Prerequisite: Requires a USB 4G Dongle and a supported gateway firmware//
1.2	242
1.15	243	(((
16.1	244	//This introduces a setup and configured gateway for using a USB 3g/UMTS-modem for WAN connection.//
20.1	245
	246
1.15	247	)))
1.2	248
1.15	249	(((
20.1	250	//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	251	)))
1.2	252
1.15	253	(((
16.1	254	//This is not beginner-friendly due to too many protocols.//
20.1	255
	256	//For more information: [[https:~~/~~/openwrt.org/docs/guide-user/network/wan/wwan/3gdongle>>url:https://openwrt.org/docs/guide-user/network/wan/wwan/3gdongle]]//
	257
	258
1.15	259	)))
1.2	260
22.1	261	== 5.2 How to use the USB Dongle at the gateway ==
1.2	262
18.1	263
16.1	264	//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	265
1.15	266	(((
20.1	267	//For example, the Huawei-E3372/E8372 is using Hilink mode or NCM mode.//
1.15	268	)))
1.2	269
1.8	270	(% class="box" %)
	271	(((
	272	Huawei-E3372/E8372
16.1	273	Check the (% style="color:#037691" %)E3372(% style="color:black" %) version to determine the mode.
1.2	274	The version numbers starting with 21 is NCM mode
	275	The version numbers starting with 22 is Hilink mode
16.1	276	The E8372 only has Hilink mode
	277	~ (% style="color:red" %)Note： The e3372 in the vast majority of cases is Hilink mode
1.8	278	)))
1.2	279
21.1	280
16.1	281	== 5.3 Hilink mode ==
1.2	282
18.1	283
16.1	284	//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	285
18.1	286
16.1	287	=== 5.3.1 Plugs into the device ===
1.2	288
18.1	289
1.16	290	(((
16.1	291	//USB-Dongle plugs into the gateway USB port//
1.16	292	)))
1.2	293
1.16	294	(((
16.1	295	//Check the USB module via command (% style="color:#037691" %)lsusb//
1.16	296	)))
1.2	297
1.16	298	(((
16.1	299	(% style="color:red" %)//Note: Users need to that connect to the gateway command line via ssh.//
1.16	300	)))
1.2	301
32.2	302	[[image:image-20220527154739-9.png]]
1.2	303
18.1	304
33.2	305	=== 5.3.2 Detection of new network interfaces added ===
1.2	306
18.1	307
20.1	308	//Check network configuration command line input: //
1.2	309
16.1	310	(% class="box infomessage" %)
	311	(((
	312	(((
	313	root@dragino-1ef9ac:~~# ifconfig -a
	314	)))
	315	)))
1.2	316
33.2	317	[[image:image-20220527154822-10.png]]
1.2	318
16.1	319	//In the command, the output user can see that the new interface added is (% style="color:#037691" %)eth2//
1.2	320
16.1	321	//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	322
18.1	323
16.1	324	=== 5.3.3 Add the new interface to the network configuration. ===
1.2	325
18.1	326
16.1	327	//Enter the configuration from the command line~://
1.2	328
1.11	329	(% class="box" %)
	330	(((
	331	uci set network.lte=interface
1.2	332	uci set network.lte.proto=dhcp
1.11	333	uci set network.lte.ifname=eth2 ~-~-~-~-~-~-~-~-->#This depend on the name of the new interface gateway add
1.2	334	uci commit network
	335	uci set firewall.@zone[1].network="wan wwan wan6 lte"
	336	uci commit firewall
	337	/etc/init.d/network restart
1.11	338	)))
1.2	339
34.2	340	[[image:image-20220527154937-11.png]]
1.2	341
	342
19.1	343	//Checking Network Configurations//
18.1	344
16.1	345	//Command-line input: (% style="color:#037691" %)ifconfig//
1.2	346
35.2	347	[[image:image-20220527155013-12.png]]
1.2	348
16.1	349	//Now, Gateway is configured to access the internet on the LTE network.//
1.2	350
18.1	351
16.1	352	== 5.4 NCM mode ==
1.2	353
18.1	354
16.1	355	== 5.5 Troubleshooting ==
1.2	356
18.1	357
16.1	358	=== 5.5.1 The USB-Dongle interface cannot obtain the IP address. ===
1.2	359
18.1	360
16.1	361	//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	362
18.1	363
16.1	364	= 6. How to reduce data traffic =
1.2	365
18.1	366
43.1	367	== 6.1 Reduce Status Uplink Interval ==
1.2	368
	369
18.1	370	//The gateways will use the data traffic below two places.//
	371
	372
16.1	373	//1. There is the data traffic from LoRa package Forward which were the gateway status package and sensor end node uplink/downlink.//
1.2	374
16.1	375	//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	376
36.2	377	[[image:image-20220527155108-13.png]]
1.2	378
18.1	379
16.1	380	//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	381
16.1	382	//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	383
39.2	384	[[image:image-20220527155358-16.png]]
1.2	385
16.1	386	//System General interface//
1.2	387
	388
39.2	389	[[image:image-20220527155229-15.png]]
	390
16.1	391	//Keepalive script interval time settings//
1.2	392
43.1	393
	394	== 6.2 Filter unwanted packets ==
	395
	396	See [[How to filter unwanted packets>>doc:Main.Filter unwanted LoRaWAN packets.WebHome]]
	397
42.3	398

Wiki source code of Notes for cellular network connection

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