Wiki source code of Notes for cellular network connection

Version 26.1 by Xiaoling on 2022/05/27 15:38

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
15.1	43
11.1	44	(% class="wikigeneratedid" %)
	45	[[image:image-20220525140054-1.png\|\|height="153" width="607"]]
6.1	46
1.1	47
15.1	48	== 2.2 Do you input the SIM card correctly ==
1.1	49
2.1	50
15.1	51	//Below command can check if you have a SIM card inserted, or via Web UI//
	52
	53	* //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//
	54	* //Make sure you have the correct direction to insert the SIM card. Every device has an example photo in the manual for the direction.//
	55
1.2	56	(% class="box" %)
	57	(((
15.1	58	//root@dragino-1dadd8:~~# comgt -d /dev/ttyUSB3
1.2	59	SIM ready
	60	Waiting for Registration..(120 sec max)
6.1	61	Registered on Home network: "CHN-UNICOM",7
15.1	62	Signal Quality: 10,99//
1.2	63	)))
	64
15.1	65
11.1	66	(% class="wikigeneratedid" %)
14.1	67	[[image:image-20220526104201-1.png\|\|height="625" width="543"]]
	68
15.1	69
14.1	70	(% class="wikigeneratedid" %)
15.1	71	//Note: If the icon is missing some information, like SIM, Network, or Signal, which may be due to the display bug.//
14.1	72
	73	(% class="wikigeneratedid" %)
15.1	74	//Please check the IP address is displayed and the Internet displays "OK", it works properly.//
6.1	75
11.1	76	(% class="wikigeneratedid" %)
	77	[[image:image-20220525141016-3.png\|\|height="524" width="502"]]
	78
18.1	79	== 2.3 Check dialing info ==
1.2	80
16.1	81	//run "logread -f" in gateway CLI。//
1.2	82
	83	(% class="box" %)
	84	(((
	85	Fri Feb 7 01:20:28 2020 daemon.notice pppd[29452]: pppd 2.4.7 started by root, uid 0
	86	Fri Feb 7 01:20:29 2020 user.notice iot_keep_alive: Ping WAN
	87	Fri Feb 7 01:20:29 2020 user.notice iot_keep_alive: Default interface is
	88	Fri Feb 7 01:20:29 2020 user.notice iot_keep_alive: No internet at any interface
	89	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: abort on (BUSY)
	90	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: abort on (NO CARRIER)
	91	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: abort on (ERROR)
	92	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: report (CONNECT)
	93	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: timeout set to 10 seconds
	94	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: send (AT&F^M)
	95	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: expect (OK)
	96	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: AT&F^M^M
	97	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: OK
	98	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: ~-~- got it
	99	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: send (ATE1^M)
	100	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: expect (OK)
	101	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: ^M
	102	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: ATE1^M^M
	103	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: OK
	104	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: ~-~- got it
	105	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: send (AT+CGDCONT=1,"IP",""^M)
	106	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: timeout set to 30 seconds
	107	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: expect (OK)
	108	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ^M
	109	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: AT+CGDCONT=1,"IP",""^M^M
	110	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: OK
	111	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ~-~- got it
1.4	112	(% 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	113	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	114	(% style="color:black" %)Fri Feb 7 01:20:30 2020 local2.info chat[29485]: expect (CONNECT)
1.2	115	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ^M
	116	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ATD*99#^M^M
	117	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: CONNECT
	118	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ~-~- got it
	119	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: send ( ^M)
	120	Fri Feb 7 01:20:30 2020 daemon.info pppd[29452]: Serial connection established.
	121	)))
	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
	166
1.14	167	)))
1.2	168
15.1	169	= 4. How does the gateway view the International Mobile Equipment Identity (IMEI) =
1.2	170
	171
15.1	172	//Users can access the gateway CLI and run the minicom command to get the configuration interface.//
	173
1.13	174	(((
15.1	175
	176
16.1	177	//Enter the minicom command, then select the option ''serial port setup".//
1.13	178	)))
1.2	179
1.5	180	(% class="box infomessage" %)
	181	(((
	182	root@dragino-1ef9ac:~~# minicom -s
	183	)))
1.2	184
	185	[[image:https://wiki.dragino.com/images/thumb/0/05/4G-1.png/400px-4G-1.png\|\|height="265" width="400"]]
	186
	187
15.1	188	And then, change the setting:
1.2	189
15.1	190	(% class="box infomessage" %)
	191	(((
1.6	192	Serial Device : (% style="color:#037691" %)/dev/ttyModemAT
1.2	193
15.1	194	Bps/Par/Bits :(% style="color:#037691" %) 9600 8N1(%%)
	195	)))
1.2	196
15.1	197
16.1	198	//Note: Enter the corresponding letter to change the configuration, like A,B,C//
15.1	199
1.2	200	[[image:https://wiki.dragino.com/images/thumb/c/cb/EC25_1.png/400px-EC25_1.png\|\|height="164" width="400"]]
	201
	202
22.1	203	//Enter AT+GSN in the interface to get the IMEI,//
1.2	204
22.1	205	// For example (% style="color:#037691" %)860548042566627(%%)//
1.2	206
1.6	207	(% class="box infomessage" %)
	208	(((
1.13	209	(((
1.15	210	AT+GSN
1.6	211	)))
1.13	212	)))
1.2	213
	214	[[image:https://wiki.dragino.com/images/thumb/6/66/4G-3.png/400px-4G-3.png\|\|height="286" width="400"]]
	215
18.1	216
16.1	217	= 5. How does the gateway connect to the network via a USB 4G Dongle =
1.2	218
18.1	219
16.1	220	== 5.1 Introduction ==
1.2	221
20.1	222
22.1	223	(% style="color:red" %)//Prerequisite: Requires a USB 4G Dongle and a supported gateway firmware//
1.2	224
1.15	225	(((
16.1	226	//This introduces a setup and configured gateway for using a USB 3g/UMTS-modem for WAN connection.//
20.1	227
	228
1.15	229	)))
1.2	230
1.15	231	(((
20.1	232	//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	233	)))
1.2	234
1.15	235	(((
16.1	236	//This is not beginner-friendly due to too many protocols.//
20.1	237
	238	//For more information: [[https:~~/~~/openwrt.org/docs/guide-user/network/wan/wwan/3gdongle>>url:https://openwrt.org/docs/guide-user/network/wan/wwan/3gdongle]]//
	239
	240
1.15	241	)))
1.2	242
22.1	243	== 5.2 How to use the USB Dongle at the gateway ==
1.2	244
18.1	245
16.1	246	//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	247
1.15	248	(((
20.1	249	//For example, the Huawei-E3372/E8372 is using Hilink mode or NCM mode.//
1.15	250	)))
1.2	251
1.8	252	(% class="box" %)
	253	(((
	254	Huawei-E3372/E8372
16.1	255	Check the (% style="color:#037691" %)E3372(% style="color:black" %) version to determine the mode.
1.2	256	The version numbers starting with 21 is NCM mode
	257	The version numbers starting with 22 is Hilink mode
16.1	258	The E8372 only has Hilink mode
	259	~ (% style="color:red" %)Note： The e3372 in the vast majority of cases is Hilink mode
1.8	260	)))
1.2	261
21.1	262
16.1	263	== 5.3 Hilink mode ==
1.2	264
18.1	265
16.1	266	//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	267
18.1	268
16.1	269	=== 5.3.1 Plugs into the device ===
1.2	270
18.1	271
1.16	272	(((
16.1	273	//USB-Dongle plugs into the gateway USB port//
1.16	274	)))
1.2	275
1.16	276	(((
16.1	277	//Check the USB module via command (% style="color:#037691" %)lsusb//
1.16	278	)))
1.2	279
1.16	280	(((
16.1	281	(% style="color:red" %)//Note: Users need to that connect to the gateway command line via ssh.//
1.16	282	)))
1.2	283
	284	[[image:https://wiki.dragino.com/images/2/25/Usb-4g.png\|\|height="63" width="554"]]
	285
18.1	286
16.1	287	=== 5.3.2 Detection of new network interfaces added ===
1.2	288
18.1	289
20.1	290	//Check network configuration command line input: //
1.2	291
16.1	292	(% class="box infomessage" %)
	293	(((
	294	(((
	295	root@dragino-1ef9ac:~~# ifconfig -a
	296	)))
	297	)))
1.2	298
	299	[[image:https://wiki.dragino.com/images/thumb/a/a0/Usb-4g-1.png/400px-Usb-4g-1.png\|\|height="401" width="400"]]
	300
16.1	301	//In the command, the output user can see that the new interface added is (% style="color:#037691" %)eth2//
1.2	302
16.1	303	//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	304
18.1	305
16.1	306	=== 5.3.3 Add the new interface to the network configuration. ===
1.2	307
18.1	308
16.1	309	//Enter the configuration from the command line~://
1.2	310
1.11	311	(% class="box" %)
	312	(((
	313	uci set network.lte=interface
1.2	314	uci set network.lte.proto=dhcp
1.11	315	uci set network.lte.ifname=eth2 ~-~-~-~-~-~-~-~-->#This depend on the name of the new interface gateway add
1.2	316	uci commit network
	317	uci set firewall.@zone[1].network="wan wwan wan6 lte"
	318	uci commit firewall
	319	/etc/init.d/network restart
1.11	320	)))
1.2	321
	322	[[~[~[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]]
	323
	324
19.1	325	//Checking Network Configurations//
18.1	326
16.1	327	//Command-line input: (% style="color:#037691" %)ifconfig//
1.2	328
	329	[[~[~[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]]
	330
16.1	331	//Now, Gateway is configured to access the internet on the LTE network.//
1.2	332
18.1	333
16.1	334	== 5.4 NCM mode ==
1.2	335
18.1	336
16.1	337	== 5.5 Troubleshooting ==
1.2	338
18.1	339
16.1	340	=== 5.5.1 The USB-Dongle interface cannot obtain the IP address. ===
1.2	341
18.1	342
16.1	343	//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	344
18.1	345
16.1	346	= 6. How to reduce data traffic =
1.2	347
18.1	348
16.1	349	== 6.1 Introduce ==
1.2	350
	351
18.1	352	//The gateways will use the data traffic below two places.//
	353
	354
16.1	355	//1. There is the data traffic from LoRa package Forward which were the gateway status package and sensor end node uplink/downlink.//
1.2	356
16.1	357	//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	358
	359	[[image:https://wiki.dragino.com/images/thumb/b/bc/LoRa_interval_time_setting.png/600px-LoRa_interval_time_setting.png\|\|height="282" width="600"]]
	360
18.1	361
16.1	362	//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	363
16.1	364	//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	365
	366	[[image:https://wiki.dragino.com/images/thumb/4/49/Systrm_General.png/600px-Systrm_General.png\|\|height="319" width="600"]]
	367
16.1	368	//System General interface//
1.2	369
	370	[[image:https://wiki.dragino.com/images/thumb/f/f0/Set_time_interval.png/600px-Set_time_interval.png\|\|height="319" width="600"]]
	371
16.1	372	//Keepalive script interval time settings//
1.2	373

Wiki source code of Notes for cellular network connection

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