Wiki source code of Notes for cellular network connection

Version 14.1 by Kilight Cao on 2022/05/26 10:46

version	line-number	content
1.2	1	Table of Contents：
	2
1.1	3	{{toc/}}
	4
1.2	5	= 1. Enable Cellular Connection =
1.1	6
1.2	7	If your device has a Cellular module, you can see the below screenshot. enable the cellular connection here.
1.1	8
1.2	9	[[image:https://wiki.dragino.com/images/thumb/8/81/Cellular_11.png/600px-Cellular_11.png\|\|height="262" width="600"]]
1.1	10
1.2	11	Enable Cellular Connection
1.1	12
1.12	13	(((
1.2	14	If your device doesn't have a cellular module, you will see a cellular module not detected.
1.12	15	)))
1.1	16
1.2	17	[[image:https://wiki.dragino.com/images/thumb/d/da/Cellular_10.png/600px-Cellular_10.png\|\|height="400" width="600"]]
1.1	18
1.2	19	No Cellular Module
1.1	20
1.2	21	= 2. How to Debug if Cellular connection fail =
1.1	22
11.1	23	If there is a problem with cellular connection. Please check the below points:
1.1	24
2.1	25	== 2.1 Do you order the model with a cellular option ==
1.1	26
2.1	27	Make sure you order the model with the cellular option. Can check by command or via the Web UI.
1.1	28
1.2	29	(% class="box" %)
	30	(((
	31	root@dragino-1bbd90:~~# lsusb
	32	Bus 001 Device 004: ID 2c7c:0125 ~-~-> This is the Cellular module
	33	Bus 001 Device 002: ID 1a40:0101 Terminus Technology Inc. Hub
	34	Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
	35	)))
1.1	36
11.1	37	(% class="wikigeneratedid" %)
	38	[[image:image-20220525140054-1.png\|\|height="153" width="607"]]
6.1	39
1.2	40	== 2.2 Do you input the SIM card correctly ==
1.1	41
3.1	42	Below command can check if you have a SIM card inserted, or via Web UI
1.1	43
3.1	44	* 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
6.1	45	* Make sure you have the correct direction to insert the SIM card. Every device has an example photo in the manual for the direction.
2.1	46
1.2	47	(% class="box" %)
	48	(((
6.1	49	root@dragino-1dadd8:~~# comgt -d /dev/ttyUSB3
1.2	50	SIM ready
	51	Waiting for Registration..(120 sec max)
6.1	52	Registered on Home network: "CHN-UNICOM",7
	53	Signal Quality: 10,99
1.2	54	)))
	55
11.1	56	(% class="wikigeneratedid" %)
14.1	57	[[image:image-20220526104201-1.png\|\|height="625" width="543"]]
	58
	59	(% class="wikigeneratedid" %)
	60	supplement instructions
	61
	62	(% class="wikigeneratedid" %)
11.1	63	When the IP address is displayed and the Internet displays "OK", it works properly.
6.1	64
11.1	65	(% class="wikigeneratedid" %)
	66	[[image:image-20220525141016-3.png\|\|height="524" width="502"]]
	67
1.2	68	== 2.3 Check dialing info ==
	69
	70	run "logread -f" in console
	71
	72	(% class="box" %)
	73	(((
	74	Fri Feb 7 01:20:28 2020 daemon.notice pppd[29452]: pppd 2.4.7 started by root, uid 0
	75	Fri Feb 7 01:20:29 2020 user.notice iot_keep_alive: Ping WAN
	76	Fri Feb 7 01:20:29 2020 user.notice iot_keep_alive: Default interface is
	77	Fri Feb 7 01:20:29 2020 user.notice iot_keep_alive: No internet at any interface
	78	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: abort on (BUSY)
	79	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: abort on (NO CARRIER)
	80	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: abort on (ERROR)
	81	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: report (CONNECT)
	82	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: timeout set to 10 seconds
	83	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: send (AT&F^M)
	84	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: expect (OK)
	85	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: AT&F^M^M
	86	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: OK
	87	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: ~-~- got it
	88	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: send (ATE1^M)
	89	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: expect (OK)
	90	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: ^M
	91	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: ATE1^M^M
	92	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: OK
	93	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: ~-~- got it
	94	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: send (AT+CGDCONT=1,"IP",""^M)
	95	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: timeout set to 30 seconds
	96	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: expect (OK)
	97	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ^M
	98	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: AT+CGDCONT=1,"IP",""^M^M
	99	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: OK
	100	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ~-~- got it
1.4	101	(% 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	102	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	103	(% style="color:black" %)Fri Feb 7 01:20:30 2020 local2.info chat[29485]: expect (CONNECT)
1.2	104	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ^M
	105	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ATD*99#^M^M
	106	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: CONNECT
	107	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ~-~- got it
	108	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: send ( ^M)
	109	Fri Feb 7 01:20:30 2020 daemon.info pppd[29452]: Serial connection established.
	110	)))
	111
	112	= 3. Share Cellular Network for WiFi & LAN clients =
	113
1.12	114	(((
1.2	115	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	116	)))
1.2	117
1.12	118	(((
1.2	119	root@dragino-1d25dc:~~# cat /etc/config/firewall
1.12	120	)))
1.2	121
1.5	122	(% class="box" %)
	123	(((
1.12	124	(((
1.5	125	config defaults
1.2	126	option syn_flood '1'
	127	option input 'ACCEPT'
	128	option output 'ACCEPT'
	129	option forward 'REJECT'
	130	config zone
	131	option name 'lan'
	132	list network 'lan'
	133	option input 'ACCEPT'
	134	option output 'ACCEPT'
1.5	135	option forward 'REJECT'
1.2	136	config zone
	137	option name 'wan'
	138	list network 'wan'
	139	list network 'wwan'
	140	list network 'wan6'
1.5	141	list network 'cellular' ~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~--> Add this line and reboot
1.2	142	option input 'REJECT'
	143	option output 'ACCEPT'
	144	option forward 'ACCEPT'
	145	option masq '1'
	146	option mtu_fix '1'
	147	config forwarding
	148	option src 'lan'
	149	option dest 'wan'
1.5	150	)))
1.12	151	)))
1.2	152
1.14	153	(((
1.2	154	and run /etc/init.d/firewall reload or reboot the device.
1.14	155	)))
1.2	156
	157	= 4. How does the gateway view the International Mobile Equipment Identity (IMEI) =
	158
	159	Use SSH to access the gateway configuration page and run the minicom command
	160
1.13	161	(((
1.2	162	Select "Serial Port Setup":
1.13	163	)))
1.2	164
1.5	165	(% class="box infomessage" %)
	166	(((
	167	root@dragino-1ef9ac:~~# minicom -s
	168	)))
1.2	169
	170	[[image:https://wiki.dragino.com/images/thumb/0/05/4G-1.png/400px-4G-1.png\|\|height="265" width="400"]]
	171
	172	Enter the minicom command
	173
	174	Access the serial port of the 4G module
	175
	176	Serial port setup is as follows:
	177
1.6	178	Serial Device : (% style="color:#037691" %)/dev/ttyModemAT
1.2	179
1.6	180	Bps/Par/Bits :(% style="color:#037691" %) 9600 8N1 or 115200 8N1(%%)
1.2	181
	182	[[image:https://wiki.dragino.com/images/thumb/c/cb/EC25_1.png/400px-EC25_1.png\|\|height="164" width="400"]]
	183
	184	Configuring USB Ports
	185
	186
	187	Enter AT+GSN in the serial port to view the IMEI
	188
1.6	189	For example: (% style="color:#037691" %)860548042566627(%%)
1.2	190
1.6	191	(% class="box infomessage" %)
	192	(((
1.13	193	(((
1.15	194	AT+GSN
1.6	195	)))
1.13	196	)))
1.2	197
	198	[[image:https://wiki.dragino.com/images/thumb/6/66/4G-3.png/400px-4G-3.png\|\|height="286" width="400"]]
	199
	200	Enter the AT command
	201
	202	= 5. How does the gateway connect to the network via a USB 4G Dongle =
	203
	204	== 5.1 Introduction ==
	205
1.7	206	(% style="color:red" %)Prerequisite: Requires a USB 4G Dongle and a supported gateway firmware
1.2	207
1.15	208	(((
1.2	209	This introduces a setup and configured gateway for using a USB 3g/UMTS-modem for WAN connection.
1.15	210	)))
1.2	211
1.15	212	(((
1.2	213	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	214	)))
1.2	215
1.15	216	(((
1.2	217	This is not beginner-friendly due to too many protocols.
1.15	218	)))
1.2	219
	220	== 5.2 How to use the USB-Dongle at the gateway ==
	221
	222	Most of the products can be used on the gateway, but because their protocols are different, they are not used in the same way.
	223
1.15	224	(((
1.2	225	For example, the Huawei-E3372/E8372 is using Hilink mode or NCM mode.
1.15	226	)))
1.2	227
1.8	228	(% class="box" %)
	229	(((
	230	Huawei-E3372/E8372
1.9	231	Check (% style="color:#037691" %)E3372(% style="color:black" %) version to determine the mode.
1.2	232	The version numbers starting with 21 is NCM mode
	233	The version numbers starting with 22 is Hilink mode
	234	The E8372 only have Hilink mode
1.15	235	~ (% style="color:red" %)Note：The e3372 in the vast majority of cases is Hilink mode
1.8	236	)))
1.2	237
	238	== 5.3 Hilink mode ==
	239
1.15	240	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	241
	242	=== 5.3.1 1.Plugs into the device ===
	243
1.16	244	(((
1.2	245	USB-Dongle plugs into the gateway USB port
1.16	246	)))
1.2	247
1.16	248	(((
1.11	249	Check the USB module via comman (% style="color:#037691" %)lsusb
1.16	250	)))
1.2	251
1.16	252	(((
1.11	253	(% style="color:red" %)Note : User neet to do that connect gateway command line via ssh.
1.16	254	)))
1.2	255
	256	[[image:https://wiki.dragino.com/images/2/25/Usb-4g.png\|\|height="63" width="554"]]
	257
	258	Checking USB Ports
	259
	260	=== 5.3.2 2.Detection of new network interfaces added ===
	261
1.11	262	Command line input: (% style="color:#037691" %)ifconfig -a
1.2	263
	264	[[image:https://wiki.dragino.com/images/thumb/a/a0/Usb-4g-1.png/400px-Usb-4g-1.png\|\|height="401" width="400"]]
	265
	266	Check the network
	267
1.11	268	In the command output user can see that the new interface added is (% style="color:#037691" %)eth2
1.2	269
1.11	270	Usually,user can see that the new interface added is (% style="color:#037691" %)eth2 (% style="color:black" %)or (% style="color:#037691" %)wwan0
1.2	271
	272	=== 5.3.3 3.Add the new interface to the network confiutation. ===
	273
	274	Enter the configuration from the command line:
	275
1.11	276	(% class="box" %)
	277	(((
	278	uci set network.lte=interface
1.2	279	uci set network.lte.proto=dhcp
1.11	280	uci set network.lte.ifname=eth2 ~-~-~-~-~-~-~-~-->#This depend on the name of the new interface gateway add
1.2	281	uci commit network
	282	uci set firewall.@zone[1].network="wan wwan wan6 lte"
	283	uci commit firewall
	284	/etc/init.d/network restart
1.11	285	)))
1.2	286
	287	[[~[~[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]]
	288
	289	Configuration
	290
	291	Checking Network Configurations
	292
1.11	293	Command line input: (% style="color:#037691" %)ifconfig
1.2	294
	295	[[~[~[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]]
	296
	297	Checking Network Configurations
	298
	299	Now, Gateway is configured to access the internet on the Lte network.
	300
	301	== 5.4 NCM mode ==
	302
	303	== 5.5 Troubleshooting ==
	304
	305	=== 5.5.1 The USB-Dongle interface cannot obtain the IP address. ===
	306
	307	Please try this USB dongle to access the internet on your PC, to make sure this USB dongle can normally access the internet.
	308
	309	= 6. How to reduce data traffic =
	310
	311	== 6.1 Introduce ==
	312
	313	The gateways will use the data traffic were below two places.
	314
	315	~1. There is the data traffic from LoRa package Forward which were the gateway status package and sensor end node uplink/downlink.
	316
	317	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.
	318
	319	[[image:https://wiki.dragino.com/images/thumb/b/bc/LoRa_interval_time_setting.png/600px-LoRa_interval_time_setting.png\|\|height="282" width="600"]]
	320
	321	LoRa interval time setting
	322
12.1	323	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	324
	325	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.
	326
	327	[[image:https://wiki.dragino.com/images/thumb/4/49/Systrm_General.png/600px-Systrm_General.png\|\|height="319" width="600"]]
	328
	329	Systrm General
	330
	331	[[image:https://wiki.dragino.com/images/thumb/f/f0/Set_time_interval.png/600px-Set_time_interval.png\|\|height="319" width="600"]]
	332
12.1	333	Keepalive script interval time settings
1.2	334
	335

Wiki source code of Notes for cellular network connection

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