Wiki source code of Notes for cellular network connection

Version 20.1 by Kilight Cao on 2022/05/26 11:35

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
20.1	220
16.1	221	(% style="color:red" %)//Prerequisite: Requires a USB 4G Dongle and a supported gateway firmware//
1.2	222
1.15	223	(((
16.1	224	//This introduces a setup and configured gateway for using a USB 3g/UMTS-modem for WAN connection.//
20.1	225
	226
1.15	227	)))
1.2	228
1.15	229	(((
20.1	230	//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	231	)))
1.2	232
1.15	233	(((
16.1	234	//This is not beginner-friendly due to too many protocols.//
20.1	235
	236	//For more information: [[https:~~/~~/openwrt.org/docs/guide-user/network/wan/wwan/3gdongle>>url:https://openwrt.org/docs/guide-user/network/wan/wwan/3gdongle]]//
	237
	238
1.15	239	)))
1.2	240
16.1	241	== 5.2 How to use the USB-Dongle at the gateway ==
1.2	242
18.1	243
16.1	244	//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	245
1.15	246	(((
20.1	247	//For example, the Huawei-E3372/E8372 is using Hilink mode or NCM mode.//
1.15	248	)))
1.2	249
1.8	250	(% class="box" %)
	251	(((
	252	Huawei-E3372/E8372
16.1	253	Check the (% style="color:#037691" %)E3372(% style="color:black" %) version to determine the mode.
1.2	254	The version numbers starting with 21 is NCM mode
	255	The version numbers starting with 22 is Hilink mode
16.1	256	The E8372 only has Hilink mode
	257	~ (% style="color:red" %)Note： The e3372 in the vast majority of cases is Hilink mode
1.8	258	)))
1.2	259
16.1	260	== 5.3 Hilink mode ==
1.2	261
18.1	262
16.1	263	//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	264
18.1	265
16.1	266	=== 5.3.1 Plugs into the device ===
1.2	267
18.1	268
1.16	269	(((
16.1	270	//USB-Dongle plugs into the gateway USB port//
1.16	271	)))
1.2	272
1.16	273	(((
16.1	274	//Check the USB module via command (% style="color:#037691" %)lsusb//
1.16	275	)))
1.2	276
1.16	277	(((
16.1	278	(% style="color:red" %)//Note: Users need to that connect to the gateway command line via ssh.//
1.16	279	)))
1.2	280
	281	[[image:https://wiki.dragino.com/images/2/25/Usb-4g.png\|\|height="63" width="554"]]
	282
18.1	283
16.1	284	=== 5.3.2 Detection of new network interfaces added ===
1.2	285
18.1	286
20.1	287	//Check network configuration command line input: //
1.2	288
16.1	289	(% class="box infomessage" %)
	290	(((
	291	(((
	292	root@dragino-1ef9ac:~~# ifconfig -a
	293	)))
	294	)))
1.2	295
	296	[[image:https://wiki.dragino.com/images/thumb/a/a0/Usb-4g-1.png/400px-Usb-4g-1.png\|\|height="401" width="400"]]
	297
16.1	298	//In the command, the output user can see that the new interface added is (% style="color:#037691" %)eth2//
1.2	299
16.1	300	//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	301
18.1	302
16.1	303	=== 5.3.3 Add the new interface to the network configuration. ===
1.2	304
18.1	305
16.1	306	//Enter the configuration from the command line~://
1.2	307
1.11	308	(% class="box" %)
	309	(((
	310	uci set network.lte=interface
1.2	311	uci set network.lte.proto=dhcp
1.11	312	uci set network.lte.ifname=eth2 ~-~-~-~-~-~-~-~-->#This depend on the name of the new interface gateway add
1.2	313	uci commit network
	314	uci set firewall.@zone[1].network="wan wwan wan6 lte"
	315	uci commit firewall
	316	/etc/init.d/network restart
1.11	317	)))
1.2	318
	319	[[~[~[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]]
	320
	321
19.1	322	//Checking Network Configurations//
18.1	323
16.1	324	//Command-line input: (% style="color:#037691" %)ifconfig//
1.2	325
	326	[[~[~[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]]
	327
16.1	328	//Now, Gateway is configured to access the internet on the LTE network.//
1.2	329
18.1	330
16.1	331	== 5.4 NCM mode ==
1.2	332
18.1	333
16.1	334	== 5.5 Troubleshooting ==
1.2	335
18.1	336
16.1	337	=== 5.5.1 The USB-Dongle interface cannot obtain the IP address. ===
1.2	338
18.1	339
16.1	340	//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	341
18.1	342
16.1	343	= 6. How to reduce data traffic =
1.2	344
18.1	345
16.1	346	== 6.1 Introduce ==
1.2	347
	348
18.1	349	//The gateways will use the data traffic below two places.//
	350
	351
16.1	352	//1. There is the data traffic from LoRa package Forward which were the gateway status package and sensor end node uplink/downlink.//
1.2	353
16.1	354	//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	355
	356	[[image:https://wiki.dragino.com/images/thumb/b/bc/LoRa_interval_time_setting.png/600px-LoRa_interval_time_setting.png\|\|height="282" width="600"]]
	357
18.1	358
16.1	359	//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	360
16.1	361	//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	362
	363	[[image:https://wiki.dragino.com/images/thumb/4/49/Systrm_General.png/600px-Systrm_General.png\|\|height="319" width="600"]]
	364
16.1	365	//System General interface//
1.2	366
	367	[[image:https://wiki.dragino.com/images/thumb/f/f0/Set_time_interval.png/600px-Set_time_interval.png\|\|height="319" width="600"]]
	368
16.1	369	//Keepalive script interval time settings//
1.2	370
	371

Wiki source code of Notes for cellular network connection

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