Wiki source code of Notes for cellular network connection

Version 15.1 by Xiaoye on 2022/05/26 11:00

version	line-number	content
1.2	1	Table of Contents：
	2
1.1	3	{{toc/}}
	4
15.1	5	= 1. Enable Cellular Connection =
1.1	6
	7
15.1	8	//If your device has a Cellular module, you can see the below screenshot. enable the cellular connection here.//
	9
1.2	10	[[image:https://wiki.dragino.com/images/thumb/8/81/Cellular_11.png/600px-Cellular_11.png\|\|height="262" width="600"]]
1.1	11
	12
15.1	13	//Enable Cellular Connection//
	14
1.12	15	(((
15.1	16	//If your device doesn't have a cellular module, you will see a cellular module not detected.//
1.12	17	)))
1.1	18
1.2	19	[[image:https://wiki.dragino.com/images/thumb/d/da/Cellular_10.png/600px-Cellular_10.png\|\|height="400" width="600"]]
1.1	20
	21
15.1	22	= 2. How to Debug if Cellular connection fails =
1.1	23
	24
15.1	25	//If there is a problem with the cellular connection. Please check the below points~://
1.1	26
	27
15.1	28	== 2.1 Do you order the model with a cellular option ==
	29
	30
	31	//Make sure you order the model with the cellular option. Can check by command or via the Web UI.//
	32
1.2	33	(% class="box" %)
	34	(((
15.1	35	//root@dragino-1bbd90:~~# lsusb
1.2	36	Bus 001 Device 004: ID 2c7c:0125 ~-~-> This is the Cellular module
	37	Bus 001 Device 002: ID 1a40:0101 Terminus Technology Inc. Hub
15.1	38	Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub//
1.2	39	)))
1.1	40
15.1	41
11.1	42	(% class="wikigeneratedid" %)
	43	[[image:image-20220525140054-1.png\|\|height="153" width="607"]]
6.1	44
1.1	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
	54
1.2	55	(% class="box" %)
	56	(((
15.1	57	//root@dragino-1dadd8:~~# comgt -d /dev/ttyUSB3
1.2	58	SIM ready
	59	Waiting for Registration..(120 sec max)
6.1	60	Registered on Home network: "CHN-UNICOM",7
15.1	61	Signal Quality: 10,99//
1.2	62	)))
	63
15.1	64
11.1	65	(% class="wikigeneratedid" %)
14.1	66	[[image:image-20220526104201-1.png\|\|height="625" width="543"]]
	67
15.1	68
14.1	69	(% class="wikigeneratedid" %)
15.1	70	//Note: If the icon is missing some information, like SIM, Network, or Signal, which may be due to the display bug.//
14.1	71
	72	(% class="wikigeneratedid" %)
15.1	73	//Please check the IP address is displayed and the Internet displays "OK", it works properly.//
6.1	74
11.1	75	(% class="wikigeneratedid" %)
	76	[[image:image-20220525141016-3.png\|\|height="524" width="502"]]
	77
15.1	78	(% class="wikigeneratedid" %)
	79	== ==
	80
1.2	81	== 2.3 Check dialing info ==
	82
15.1	83	//run "logread -f" in gateway CLI。//
1.2	84
	85	(% class="box" %)
	86	(((
	87	Fri Feb 7 01:20:28 2020 daemon.notice pppd[29452]: pppd 2.4.7 started by root, uid 0
	88	Fri Feb 7 01:20:29 2020 user.notice iot_keep_alive: Ping WAN
	89	Fri Feb 7 01:20:29 2020 user.notice iot_keep_alive: Default interface is
	90	Fri Feb 7 01:20:29 2020 user.notice iot_keep_alive: No internet at any interface
	91	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: abort on (BUSY)
	92	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: abort on (NO CARRIER)
	93	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: abort on (ERROR)
	94	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: report (CONNECT)
	95	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: timeout set to 10 seconds
	96	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: send (AT&F^M)
	97	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: expect (OK)
	98	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: AT&F^M^M
	99	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: OK
	100	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: ~-~- got it
	101	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: send (ATE1^M)
	102	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: expect (OK)
	103	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: ^M
	104	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: ATE1^M^M
	105	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: OK
	106	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: ~-~- got it
	107	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: send (AT+CGDCONT=1,"IP",""^M)
	108	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: timeout set to 30 seconds
	109	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: expect (OK)
	110	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ^M
	111	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: AT+CGDCONT=1,"IP",""^M^M
	112	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: OK
	113	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ~-~- got it
1.4	114	(% style="color:#037691" %)Fri Feb 7 01:20:30 2020 local2.info chat[29485]: send (ATD*99#^M) ~-~-~-~--> In case the dialling process already reach here.
1.5	115	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	116	(% style="color:black" %)Fri Feb 7 01:20:30 2020 local2.info chat[29485]: expect (CONNECT)
1.2	117	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ^M
	118	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ATD*99#^M^M
	119	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: CONNECT
	120	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ~-~- got it
	121	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: send ( ^M)
	122	Fri Feb 7 01:20:30 2020 daemon.info pppd[29452]: Serial connection established.
	123	)))
	124
15.1	125	= 3. Share Cellular Network for WiFi & LAN clients =
1.2	126
15.1	127
1.12	128	(((
15.1	129	//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	130	)))
1.2	131
1.12	132	(((
15.1	133
1.12	134	)))
1.2	135
1.5	136	(% class="box" %)
	137	(((
1.12	138	(((
15.1	139	root@dragino-1d25dc:~~# cat /etc/config/firewall
	140
1.5	141	config defaults
1.2	142	option syn_flood '1'
	143	option input 'ACCEPT'
	144	option output 'ACCEPT'
	145	option forward 'REJECT'
	146	config zone
	147	option name 'lan'
	148	list network 'lan'
	149	option input 'ACCEPT'
	150	option output 'ACCEPT'
1.5	151	option forward 'REJECT'
1.2	152	config zone
	153	option name 'wan'
	154	list network 'wan'
	155	list network 'wwan'
	156	list network 'wan6'
1.5	157	list network 'cellular' ~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~--> Add this line and reboot
1.2	158	option input 'REJECT'
	159	option output 'ACCEPT'
	160	option forward 'ACCEPT'
	161	option masq '1'
	162	option mtu_fix '1'
	163	config forwarding
	164	option src 'lan'
	165	option dest 'wan'
1.5	166	)))
1.12	167	)))
1.2	168
1.14	169	(((
15.1	170	//and run /etc/init.d/firewall reload or reboot the device.//
	171
	172
1.14	173	)))
1.2	174
15.1	175	= 4. How does the gateway view the International Mobile Equipment Identity (IMEI) =
1.2	176
	177
15.1	178	//Users can access the gateway CLI and run the minicom command to get the configuration interface.//
	179
1.13	180	(((
15.1	181
	182
	183	//Enter the minicom command, then select the option ''serial prot setup.//
1.13	184	)))
1.2	185
1.5	186	(% class="box infomessage" %)
	187	(((
	188	root@dragino-1ef9ac:~~# minicom -s
	189	)))
1.2	190
	191	[[image:https://wiki.dragino.com/images/thumb/0/05/4G-1.png/400px-4G-1.png\|\|height="265" width="400"]]
	192
	193
15.1	194	And then, change the setting:
1.2	195
15.1	196	(% class="box infomessage" %)
	197	(((
1.6	198	Serial Device : (% style="color:#037691" %)/dev/ttyModemAT
15.1	199	)))
1.2	200
15.1	201	(% class="box infomessage" %)
	202	(((
	203	Bps/Par/Bits :(% style="color:#037691" %) 9600 8N1(%%)
	204	)))
1.2	205
15.1	206
	207	(% style="color:#037691" %)//Note: Enter the corresponding letter to change the configuration, like A,B,C//
	208
1.2	209	[[image:https://wiki.dragino.com/images/thumb/c/cb/EC25_1.png/400px-EC25_1.png\|\|height="164" width="400"]]
	210
	211	Configuring USB Ports
	212
	213
	214	Enter AT+GSN in the serial port to view the IMEI
	215
1.6	216	For example: (% style="color:#037691" %)860548042566627(%%)
1.2	217
1.6	218	(% class="box infomessage" %)
	219	(((
1.13	220	(((
1.15	221	AT+GSN
1.6	222	)))
1.13	223	)))
1.2	224
	225	[[image:https://wiki.dragino.com/images/thumb/6/66/4G-3.png/400px-4G-3.png\|\|height="286" width="400"]]
	226
	227	Enter the AT command
	228
	229	= 5. How does the gateway connect to the network via a USB 4G Dongle =
	230
	231	== 5.1 Introduction ==
	232
1.7	233	(% style="color:red" %)Prerequisite: Requires a USB 4G Dongle and a supported gateway firmware
1.2	234
1.15	235	(((
1.2	236	This introduces a setup and configured gateway for using a USB 3g/UMTS-modem for WAN connection.
1.15	237	)))
1.2	238
1.15	239	(((
1.2	240	Many mode (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. For more information: [[https:~~/~~/openwrt.org/docs/guide-user/network/wan/wwan/3gdongle>>url:https://openwrt.org/docs/guide-user/network/wan/wwan/3gdongle]]
1.15	241	)))
1.2	242
1.15	243	(((
1.2	244	This is not beginner-friendly due to too many protocols.
1.15	245	)))
1.2	246
	247	== 5.2 How to use the USB-Dongle at the gateway ==
	248
	249	Most of the products can be used on the gateway, but because their protocols are different, they are not used in the same way.
	250
1.15	251	(((
1.2	252	For example, the Huawei-E3372/E8372 is using Hilink mode or NCM mode.
1.15	253	)))
1.2	254
1.8	255	(% class="box" %)
	256	(((
	257	Huawei-E3372/E8372
1.9	258	Check (% style="color:#037691" %)E3372(% style="color:black" %) version to determine the mode.
1.2	259	The version numbers starting with 21 is NCM mode
	260	The version numbers starting with 22 is Hilink mode
	261	The E8372 only have Hilink mode
1.15	262	~ (% style="color:red" %)Note：The e3372 in the vast majority of cases is Hilink mode
1.8	263	)))
1.2	264
	265	== 5.3 Hilink mode ==
	266
1.15	267	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	268
	269	=== 5.3.1 1.Plugs into the device ===
	270
1.16	271	(((
1.2	272	USB-Dongle plugs into the gateway USB port
1.16	273	)))
1.2	274
1.16	275	(((
1.11	276	Check the USB module via comman (% style="color:#037691" %)lsusb
1.16	277	)))
1.2	278
1.16	279	(((
1.11	280	(% style="color:red" %)Note : User neet to do that connect 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
	285	Checking USB Ports
	286
	287	=== 5.3.2 2.Detection of new network interfaces added ===
	288
1.11	289	Command line input: (% style="color:#037691" %)ifconfig -a
1.2	290
	291	[[image:https://wiki.dragino.com/images/thumb/a/a0/Usb-4g-1.png/400px-Usb-4g-1.png\|\|height="401" width="400"]]
	292
	293	Check the network
	294
1.11	295	In the command output user can see that the new interface added is (% style="color:#037691" %)eth2
1.2	296
1.11	297	Usually,user can see that the new interface added is (% style="color:#037691" %)eth2 (% style="color:black" %)or (% style="color:#037691" %)wwan0
1.2	298
	299	=== 5.3.3 3.Add the new interface to the network confiutation. ===
	300
	301	Enter the configuration from the command line:
	302
1.11	303	(% class="box" %)
	304	(((
	305	uci set network.lte=interface
1.2	306	uci set network.lte.proto=dhcp
1.11	307	uci set network.lte.ifname=eth2 ~-~-~-~-~-~-~-~-->#This depend on the name of the new interface gateway add
1.2	308	uci commit network
	309	uci set firewall.@zone[1].network="wan wwan wan6 lte"
	310	uci commit firewall
	311	/etc/init.d/network restart
1.11	312	)))
1.2	313
	314	[[~[~[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]]
	315
	316	Configuration
	317
	318	Checking Network Configurations
	319
1.11	320	Command line input: (% style="color:#037691" %)ifconfig
1.2	321
	322	[[~[~[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]]
	323
	324	Checking Network Configurations
	325
	326	Now, Gateway is configured to access the internet on the Lte network.
	327
	328	== 5.4 NCM mode ==
	329
	330	== 5.5 Troubleshooting ==
	331
	332	=== 5.5.1 The USB-Dongle interface cannot obtain the IP address. ===
	333
	334	Please try this USB dongle to access the internet on your PC, to make sure this USB dongle can normally access the internet.
	335
	336	= 6. How to reduce data traffic =
	337
	338	== 6.1 Introduce ==
	339
	340	The gateways will use the data traffic were below two places.
	341
	342	~1. There is the data traffic from LoRa package Forward which were the gateway status package and sensor end node uplink/downlink.
	343
	344	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.
	345
	346	[[image:https://wiki.dragino.com/images/thumb/b/bc/LoRa_interval_time_setting.png/600px-LoRa_interval_time_setting.png\|\|height="282" width="600"]]
	347
	348	LoRa interval time setting
	349
12.1	350	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	351
	352	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.
	353
	354	[[image:https://wiki.dragino.com/images/thumb/4/49/Systrm_General.png/600px-Systrm_General.png\|\|height="319" width="600"]]
	355
	356	Systrm General
	357
	358	[[image:https://wiki.dragino.com/images/thumb/f/f0/Set_time_interval.png/600px-Set_time_interval.png\|\|height="319" width="600"]]
	359
12.1	360	Keepalive script interval time settings
1.2	361
	362

Wiki source code of Notes for cellular network connection

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