Wiki source code of Notes for cellular network connection

Version 19.1 by Kilight Cao on 2022/05/26 11:28

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
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" %)
14.1	65	[[image:image-20220526104201-1.png\|\|height="625" width="543"]]
	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" %)
	75	[[image:image-20220525141016-3.png\|\|height="524" width="502"]]
	76
18.1	77	== 2.3 Check dialing info ==
1.2	78
16.1	79	//run "logread -f" in gateway CLI。//
1.2	80
	81	(% class="box" %)
	82	(((
	83	Fri Feb 7 01:20:28 2020 daemon.notice pppd[29452]: pppd 2.4.7 started by root, uid 0
	84	Fri Feb 7 01:20:29 2020 user.notice iot_keep_alive: Ping WAN
	85	Fri Feb 7 01:20:29 2020 user.notice iot_keep_alive: Default interface is
	86	Fri Feb 7 01:20:29 2020 user.notice iot_keep_alive: No internet at any interface
	87	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: abort on (BUSY)
	88	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: abort on (NO CARRIER)
	89	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: abort on (ERROR)
	90	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: report (CONNECT)
	91	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: timeout set to 10 seconds
	92	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: send (AT&F^M)
	93	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: expect (OK)
	94	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: AT&F^M^M
	95	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: OK
	96	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: ~-~- got it
	97	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: send (ATE1^M)
	98	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: expect (OK)
	99	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: ^M
	100	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: ATE1^M^M
	101	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: OK
	102	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: ~-~- got it
	103	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: send (AT+CGDCONT=1,"IP",""^M)
	104	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: timeout set to 30 seconds
	105	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: expect (OK)
	106	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ^M
	107	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: AT+CGDCONT=1,"IP",""^M^M
	108	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: OK
	109	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ~-~- got it
1.4	110	(% 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	111	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	112	(% style="color:black" %)Fri Feb 7 01:20:30 2020 local2.info chat[29485]: expect (CONNECT)
1.2	113	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ^M
	114	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ATD*99#^M^M
	115	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: CONNECT
	116	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ~-~- got it
	117	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: send ( ^M)
	118	Fri Feb 7 01:20:30 2020 daemon.info pppd[29452]: Serial connection established.
	119	)))
	120
15.1	121	= 3. Share Cellular Network for WiFi & LAN clients =
1.2	122
15.1	123
1.12	124	(((
15.1	125	//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	126	)))
1.2	127
1.5	128	(% class="box" %)
	129	(((
1.12	130	(((
15.1	131	root@dragino-1d25dc:~~# cat /etc/config/firewall
	132
1.5	133	config defaults
1.2	134	option syn_flood '1'
	135	option input 'ACCEPT'
	136	option output 'ACCEPT'
	137	option forward 'REJECT'
	138	config zone
	139	option name 'lan'
	140	list network 'lan'
	141	option input 'ACCEPT'
	142	option output 'ACCEPT'
1.5	143	option forward 'REJECT'
1.2	144	config zone
	145	option name 'wan'
	146	list network 'wan'
	147	list network 'wwan'
	148	list network 'wan6'
1.5	149	list network 'cellular' ~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~--> Add this line and reboot
1.2	150	option input 'REJECT'
	151	option output 'ACCEPT'
	152	option forward 'ACCEPT'
	153	option masq '1'
	154	option mtu_fix '1'
	155	config forwarding
	156	option src 'lan'
	157	option dest 'wan'
1.5	158	)))
1.12	159	)))
1.2	160
1.14	161	(((
15.1	162	//and run /etc/init.d/firewall reload or reboot the device.//
	163
	164
1.14	165	)))
1.2	166
15.1	167	= 4. How does the gateway view the International Mobile Equipment Identity (IMEI) =
1.2	168
	169
15.1	170	//Users can access the gateway CLI and run the minicom command to get the configuration interface.//
	171
1.13	172	(((
15.1	173
	174
16.1	175	//Enter the minicom command, then select the option ''serial port setup".//
1.13	176	)))
1.2	177
1.5	178	(% class="box infomessage" %)
	179	(((
	180	root@dragino-1ef9ac:~~# minicom -s
	181	)))
1.2	182
	183	[[image:https://wiki.dragino.com/images/thumb/0/05/4G-1.png/400px-4G-1.png\|\|height="265" width="400"]]
	184
	185
15.1	186	And then, change the setting:
1.2	187
15.1	188	(% class="box infomessage" %)
	189	(((
1.6	190	Serial Device : (% style="color:#037691" %)/dev/ttyModemAT
1.2	191
15.1	192	Bps/Par/Bits :(% style="color:#037691" %) 9600 8N1(%%)
	193	)))
1.2	194
15.1	195
16.1	196	//Note: Enter the corresponding letter to change the configuration, like A,B,C//
15.1	197
1.2	198	[[image:https://wiki.dragino.com/images/thumb/c/cb/EC25_1.png/400px-EC25_1.png\|\|height="164" width="400"]]
	199
	200
16.1	201	//Enter AT+GSN in the serial port to view the IMEI//
1.2	202
19.1	203	//For example : (% style="color:#037691" %)860548042566627(%%)//
1.2	204
1.6	205	(% class="box infomessage" %)
	206	(((
1.13	207	(((
1.15	208	AT+GSN
1.6	209	)))
1.13	210	)))
1.2	211
	212	[[image:https://wiki.dragino.com/images/thumb/6/66/4G-3.png/400px-4G-3.png\|\|height="286" width="400"]]
	213
18.1	214
16.1	215	= 5. How does the gateway connect to the network via a USB 4G Dongle =
1.2	216
18.1	217
16.1	218	== 5.1 Introduction ==
1.2	219
16.1	220	(% style="color:red" %)//Prerequisite: Requires a USB 4G Dongle and a supported gateway firmware//
1.2	221
1.15	222	(((
16.1	223	//This introduces a setup and configured gateway for using a USB 3g/UMTS-modem for WAN connection.//
1.15	224	)))
1.2	225
1.15	226	(((
16.1	227	//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. 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	228	)))
1.2	229
1.15	230	(((
16.1	231	//This is not beginner-friendly due to too many protocols.//
1.15	232	)))
1.2	233
16.1	234	== 5.2 How to use the USB-Dongle at the gateway ==
1.2	235
18.1	236
16.1	237	//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	238
1.15	239	(((
16.1	240	//For example, the Huawei-E3372/E8372 is using Hilink mode or NCM mode.//
1.15	241	)))
1.2	242
1.8	243	(% class="box" %)
	244	(((
	245	Huawei-E3372/E8372
16.1	246	Check the (% style="color:#037691" %)E3372(% style="color:black" %) version to determine the mode.
1.2	247	The version numbers starting with 21 is NCM mode
	248	The version numbers starting with 22 is Hilink mode
16.1	249	The E8372 only has Hilink mode
	250	~ (% style="color:red" %)Note： The e3372 in the vast majority of cases is Hilink mode
1.8	251	)))
1.2	252
16.1	253	== 5.3 Hilink mode ==
1.2	254
18.1	255
16.1	256	//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	257
18.1	258
16.1	259	=== 5.3.1 Plugs into the device ===
1.2	260
18.1	261
1.16	262	(((
16.1	263	//USB-Dongle plugs into the gateway USB port//
1.16	264	)))
1.2	265
1.16	266	(((
16.1	267	//Check the USB module via command (% style="color:#037691" %)lsusb//
1.16	268	)))
1.2	269
1.16	270	(((
16.1	271	(% style="color:red" %)//Note: Users need to that connect to the gateway command line via ssh.//
1.16	272	)))
1.2	273
	274	[[image:https://wiki.dragino.com/images/2/25/Usb-4g.png\|\|height="63" width="554"]]
	275
18.1	276
16.1	277	=== 5.3.2 Detection of new network interfaces added ===
1.2	278
18.1	279
16.1	280	//Command-line input: //
1.2	281
16.1	282	(% class="box infomessage" %)
	283	(((
	284	(((
	285	root@dragino-1ef9ac:~~# ifconfig -a
	286	)))
	287	)))
1.2	288
	289	[[image:https://wiki.dragino.com/images/thumb/a/a0/Usb-4g-1.png/400px-Usb-4g-1.png\|\|height="401" width="400"]]
	290
16.1	291	//In the command, the output user can see that the new interface added is (% style="color:#037691" %)eth2//
1.2	292
16.1	293	//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	294
18.1	295
16.1	296	=== 5.3.3 Add the new interface to the network configuration. ===
1.2	297
18.1	298
16.1	299	//Enter the configuration from the command line~://
1.2	300
1.11	301	(% class="box" %)
	302	(((
	303	uci set network.lte=interface
1.2	304	uci set network.lte.proto=dhcp
1.11	305	uci set network.lte.ifname=eth2 ~-~-~-~-~-~-~-~-->#This depend on the name of the new interface gateway add
1.2	306	uci commit network
	307	uci set firewall.@zone[1].network="wan wwan wan6 lte"
	308	uci commit firewall
	309	/etc/init.d/network restart
1.11	310	)))
1.2	311
	312	[[~[~[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]]
	313
	314
19.1	315	//Checking Network Configurations//
18.1	316
16.1	317	//Command-line input: (% style="color:#037691" %)ifconfig//
1.2	318
	319	[[~[~[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]]
	320
16.1	321	//Now, Gateway is configured to access the internet on the LTE network.//
1.2	322
18.1	323
16.1	324	== 5.4 NCM mode ==
1.2	325
18.1	326
16.1	327	== 5.5 Troubleshooting ==
1.2	328
18.1	329
16.1	330	=== 5.5.1 The USB-Dongle interface cannot obtain the IP address. ===
1.2	331
18.1	332
16.1	333	//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	334
18.1	335
16.1	336	= 6. How to reduce data traffic =
1.2	337
18.1	338
16.1	339	== 6.1 Introduce ==
1.2	340
	341
18.1	342	//The gateways will use the data traffic below two places.//
	343
	344
16.1	345	//1. There is the data traffic from LoRa package Forward which were the gateway status package and sensor end node uplink/downlink.//
1.2	346
16.1	347	//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	348
	349	[[image:https://wiki.dragino.com/images/thumb/b/bc/LoRa_interval_time_setting.png/600px-LoRa_interval_time_setting.png\|\|height="282" width="600"]]
	350
18.1	351
16.1	352	//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	353
16.1	354	//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	355
	356	[[image:https://wiki.dragino.com/images/thumb/4/49/Systrm_General.png/600px-Systrm_General.png\|\|height="319" width="600"]]
	357
16.1	358	//System General interface//
1.2	359
	360	[[image:https://wiki.dragino.com/images/thumb/f/f0/Set_time_interval.png/600px-Set_time_interval.png\|\|height="319" width="600"]]
	361
16.1	362	//Keepalive script interval time settings//
1.2	363
	364

Wiki source code of Notes for cellular network connection

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