Wiki source code of Notes for cellular network connection

Version 27.3 by Xiaoling on 2022/05/27 15:39

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
23.2	12	[[image:image-20220527153337-1.png]]
1.1	13
	14
15.1	15	//Enable Cellular Connection//
	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
27.2	43	[[image:image-20220527153729-3.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
15.1	122	= 3. Share Cellular Network for WiFi & LAN clients =
1.2	123
15.1	124
1.12	125	(((
15.1	126	//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	127	)))
1.2	128
1.5	129	(% class="box" %)
	130	(((
1.12	131	(((
15.1	132	root@dragino-1d25dc:~~# cat /etc/config/firewall
	133
1.5	134	config defaults
1.2	135	option syn_flood '1'
	136	option input 'ACCEPT'
	137	option output 'ACCEPT'
	138	option forward 'REJECT'
	139	config zone
	140	option name 'lan'
	141	list network 'lan'
	142	option input 'ACCEPT'
	143	option output 'ACCEPT'
1.5	144	option forward 'REJECT'
1.2	145	config zone
	146	option name 'wan'
	147	list network 'wan'
	148	list network 'wwan'
	149	list network 'wan6'
1.5	150	list network 'cellular' ~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~--> Add this line and reboot
1.2	151	option input 'REJECT'
	152	option output 'ACCEPT'
	153	option forward 'ACCEPT'
	154	option masq '1'
	155	option mtu_fix '1'
	156	config forwarding
	157	option src 'lan'
	158	option dest 'wan'
1.5	159	)))
1.12	160	)))
1.2	161
1.14	162	(((
15.1	163	//and run /etc/init.d/firewall reload or reboot the device.//
	164
	165
1.14	166	)))
1.2	167
15.1	168	= 4. How does the gateway view the International Mobile Equipment Identity (IMEI) =
1.2	169
	170
15.1	171	//Users can access the gateway CLI and run the minicom command to get the configuration interface.//
	172
1.13	173	(((
15.1	174
	175
16.1	176	//Enter the minicom command, then select the option ''serial port setup".//
1.13	177	)))
1.2	178
1.5	179	(% class="box infomessage" %)
	180	(((
	181	root@dragino-1ef9ac:~~# minicom -s
	182	)))
1.2	183
	184	[[image:https://wiki.dragino.com/images/thumb/0/05/4G-1.png/400px-4G-1.png\|\|height="265" width="400"]]
	185
	186
15.1	187	And then, change the setting:
1.2	188
15.1	189	(% class="box infomessage" %)
	190	(((
1.6	191	Serial Device : (% style="color:#037691" %)/dev/ttyModemAT
1.2	192
15.1	193	Bps/Par/Bits :(% style="color:#037691" %) 9600 8N1(%%)
	194	)))
1.2	195
15.1	196
16.1	197	//Note: Enter the corresponding letter to change the configuration, like A,B,C//
15.1	198
1.2	199	[[image:https://wiki.dragino.com/images/thumb/c/cb/EC25_1.png/400px-EC25_1.png\|\|height="164" width="400"]]
	200
	201
22.1	202	//Enter AT+GSN in the interface to get the IMEI,//
1.2	203
22.1	204	// For example (% style="color:#037691" %)860548042566627(%%)//
1.2	205
1.6	206	(% class="box infomessage" %)
	207	(((
1.13	208	(((
1.15	209	AT+GSN
1.6	210	)))
1.13	211	)))
1.2	212
	213	[[image:https://wiki.dragino.com/images/thumb/6/66/4G-3.png/400px-4G-3.png\|\|height="286" width="400"]]
	214
18.1	215
16.1	216	= 5. How does the gateway connect to the network via a USB 4G Dongle =
1.2	217
18.1	218
16.1	219	== 5.1 Introduction ==
1.2	220
20.1	221
22.1	222	(% style="color:red" %)//Prerequisite: Requires a USB 4G Dongle and a supported gateway firmware//
1.2	223
1.15	224	(((
16.1	225	//This introduces a setup and configured gateway for using a USB 3g/UMTS-modem for WAN connection.//
20.1	226
	227
1.15	228	)))
1.2	229
1.15	230	(((
20.1	231	//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	232	)))
1.2	233
1.15	234	(((
16.1	235	//This is not beginner-friendly due to too many protocols.//
20.1	236
	237	//For more information: [[https:~~/~~/openwrt.org/docs/guide-user/network/wan/wwan/3gdongle>>url:https://openwrt.org/docs/guide-user/network/wan/wwan/3gdongle]]//
	238
	239
1.15	240	)))
1.2	241
22.1	242	== 5.2 How to use the USB Dongle at the gateway ==
1.2	243
18.1	244
16.1	245	//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	246
1.15	247	(((
20.1	248	//For example, the Huawei-E3372/E8372 is using Hilink mode or NCM mode.//
1.15	249	)))
1.2	250
1.8	251	(% class="box" %)
	252	(((
	253	Huawei-E3372/E8372
16.1	254	Check the (% style="color:#037691" %)E3372(% style="color:black" %) version to determine the mode.
1.2	255	The version numbers starting with 21 is NCM mode
	256	The version numbers starting with 22 is Hilink mode
16.1	257	The E8372 only has Hilink mode
	258	~ (% style="color:red" %)Note： The e3372 in the vast majority of cases is Hilink mode
1.8	259	)))
1.2	260
21.1	261
16.1	262	== 5.3 Hilink mode ==
1.2	263
18.1	264
16.1	265	//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	266
18.1	267
16.1	268	=== 5.3.1 Plugs into the device ===
1.2	269
18.1	270
1.16	271	(((
16.1	272	//USB-Dongle plugs into the gateway USB port//
1.16	273	)))
1.2	274
1.16	275	(((
16.1	276	//Check the USB module via command (% style="color:#037691" %)lsusb//
1.16	277	)))
1.2	278
1.16	279	(((
16.1	280	(% style="color:red" %)//Note: Users need to that connect to the gateway command line via ssh.//
1.16	281	)))
1.2	282
	283	[[image:https://wiki.dragino.com/images/2/25/Usb-4g.png\|\|height="63" width="554"]]
	284
18.1	285
16.1	286	=== 5.3.2 Detection of new network interfaces added ===
1.2	287
18.1	288
20.1	289	//Check network configuration command line input: //
1.2	290
16.1	291	(% class="box infomessage" %)
	292	(((
	293	(((
	294	root@dragino-1ef9ac:~~# ifconfig -a
	295	)))
	296	)))
1.2	297
	298	[[image:https://wiki.dragino.com/images/thumb/a/a0/Usb-4g-1.png/400px-Usb-4g-1.png\|\|height="401" width="400"]]
	299
16.1	300	//In the command, the output user can see that the new interface added is (% style="color:#037691" %)eth2//
1.2	301
16.1	302	//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	303
18.1	304
16.1	305	=== 5.3.3 Add the new interface to the network configuration. ===
1.2	306
18.1	307
16.1	308	//Enter the configuration from the command line~://
1.2	309
1.11	310	(% class="box" %)
	311	(((
	312	uci set network.lte=interface
1.2	313	uci set network.lte.proto=dhcp
1.11	314	uci set network.lte.ifname=eth2 ~-~-~-~-~-~-~-~-->#This depend on the name of the new interface gateway add
1.2	315	uci commit network
	316	uci set firewall.@zone[1].network="wan wwan wan6 lte"
	317	uci commit firewall
	318	/etc/init.d/network restart
1.11	319	)))
1.2	320
	321	[[~[~[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]]
	322
	323
19.1	324	//Checking Network Configurations//
18.1	325
16.1	326	//Command-line input: (% style="color:#037691" %)ifconfig//
1.2	327
	328	[[~[~[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]]
	329
16.1	330	//Now, Gateway is configured to access the internet on the LTE network.//
1.2	331
18.1	332
16.1	333	== 5.4 NCM mode ==
1.2	334
18.1	335
16.1	336	== 5.5 Troubleshooting ==
1.2	337
18.1	338
16.1	339	=== 5.5.1 The USB-Dongle interface cannot obtain the IP address. ===
1.2	340
18.1	341
16.1	342	//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	343
18.1	344
16.1	345	= 6. How to reduce data traffic =
1.2	346
18.1	347
16.1	348	== 6.1 Introduce ==
1.2	349
	350
18.1	351	//The gateways will use the data traffic below two places.//
	352
	353
16.1	354	//1. There is the data traffic from LoRa package Forward which were the gateway status package and sensor end node uplink/downlink.//
1.2	355
16.1	356	//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	357
	358	[[image:https://wiki.dragino.com/images/thumb/b/bc/LoRa_interval_time_setting.png/600px-LoRa_interval_time_setting.png\|\|height="282" width="600"]]
	359
18.1	360
16.1	361	//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	362
16.1	363	//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	364
	365	[[image:https://wiki.dragino.com/images/thumb/4/49/Systrm_General.png/600px-Systrm_General.png\|\|height="319" width="600"]]
	366
16.1	367	//System General interface//
1.2	368
	369	[[image:https://wiki.dragino.com/images/thumb/f/f0/Set_time_interval.png/600px-Set_time_interval.png\|\|height="319" width="600"]]
	370
16.1	371	//Keepalive script interval time settings//
1.2	372
27.2	373

Wiki source code of Notes for cellular network connection

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