Wiki source code of Notes for cellular network connection

Version 50.1 by Kilight Cao on 2022/06/06 14:11

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

Wiki source code of Notes for cellular network connection

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