Wiki source code of Notes for cellular network connection

Version 27.4 by Xiaoling on 2022/05/27 15:40

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
27.2	43	[[image:image-20220527153729-3.png]]
15.1	44
6.1	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" %)
27.2	65	[[image:image-20220527153804-4.png]]
14.1	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" %)
27.2	75	[[image:image-20220527153827-5.png]]
11.1	76
27.3	77
18.1	78	== 2.3 Check dialing info ==
1.2	79
16.1	80	//run "logread -f" in gateway CLI。//
1.2	81
	82	(% class="box" %)
	83	(((
	84	Fri Feb 7 01:20:28 2020 daemon.notice pppd[29452]: pppd 2.4.7 started by root, uid 0
	85	Fri Feb 7 01:20:29 2020 user.notice iot_keep_alive: Ping WAN
	86	Fri Feb 7 01:20:29 2020 user.notice iot_keep_alive: Default interface is
	87	Fri Feb 7 01:20:29 2020 user.notice iot_keep_alive: No internet at any interface
	88	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: abort on (BUSY)
	89	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: abort on (NO CARRIER)
	90	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: abort on (ERROR)
	91	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: report (CONNECT)
	92	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: timeout set to 10 seconds
	93	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: send (AT&F^M)
	94	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: expect (OK)
	95	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: AT&F^M^M
	96	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: OK
	97	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: ~-~- got it
	98	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: send (ATE1^M)
	99	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: expect (OK)
	100	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: ^M
	101	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: ATE1^M^M
	102	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: OK
	103	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: ~-~- got it
	104	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: send (AT+CGDCONT=1,"IP",""^M)
	105	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: timeout set to 30 seconds
	106	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: expect (OK)
	107	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ^M
	108	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: AT+CGDCONT=1,"IP",""^M^M
	109	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: OK
	110	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ~-~- got it
27.3	111	(% style="color:#037691" %)*Fri Feb 7 01:20:30 2020 local2.info chat[29485]: send (ATD99#^M) ~-~-~-~--> In case the dialling process already reach here.
	112	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	113	(% style="color:black" %)Fri Feb 7 01:20:30 2020 local2.info chat[29485]: expect (CONNECT)
1.2	114	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ^M
	115	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ATD*99#^M^M
	116	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: CONNECT
	117	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ~-~- got it
	118	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: send ( ^M)
	119	Fri Feb 7 01:20:30 2020 daemon.info pppd[29452]: Serial connection established.
	120	)))
	121
27.4	122
	123
15.1	124	= 3. Share Cellular Network for WiFi & LAN clients =
1.2	125
15.1	126
1.12	127	(((
15.1	128	//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	129	)))
1.2	130
1.5	131	(% class="box" %)
	132	(((
1.12	133	(((
15.1	134	root@dragino-1d25dc:~~# cat /etc/config/firewall
	135
1.5	136	config defaults
1.2	137	option syn_flood '1'
	138	option input 'ACCEPT'
	139	option output 'ACCEPT'
	140	option forward 'REJECT'
	141	config zone
	142	option name 'lan'
	143	list network 'lan'
	144	option input 'ACCEPT'
	145	option output 'ACCEPT'
1.5	146	option forward 'REJECT'
1.2	147	config zone
	148	option name 'wan'
	149	list network 'wan'
	150	list network 'wwan'
	151	list network 'wan6'
1.5	152	list network 'cellular' ~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~--> Add this line and reboot
1.2	153	option input 'REJECT'
	154	option output 'ACCEPT'
	155	option forward 'ACCEPT'
	156	option masq '1'
	157	option mtu_fix '1'
	158	config forwarding
	159	option src 'lan'
	160	option dest 'wan'
1.5	161	)))
1.12	162	)))
1.2	163
1.14	164	(((
15.1	165	//and run /etc/init.d/firewall reload or reboot the device.//
	166
	167
1.14	168	)))
1.2	169
15.1	170	= 4. How does the gateway view the International Mobile Equipment Identity (IMEI) =
1.2	171
	172
15.1	173	//Users can access the gateway CLI and run the minicom command to get the configuration interface.//
	174
1.13	175	(((
15.1	176
	177
16.1	178	//Enter the minicom command, then select the option ''serial port setup".//
1.13	179	)))
1.2	180
1.5	181	(% class="box infomessage" %)
	182	(((
	183	root@dragino-1ef9ac:~~# minicom -s
	184	)))
1.2	185
	186	[[image:https://wiki.dragino.com/images/thumb/0/05/4G-1.png/400px-4G-1.png\|\|height="265" width="400"]]
	187
	188
15.1	189	And then, change the setting:
1.2	190
15.1	191	(% class="box infomessage" %)
	192	(((
1.6	193	Serial Device : (% style="color:#037691" %)/dev/ttyModemAT
1.2	194
15.1	195	Bps/Par/Bits :(% style="color:#037691" %) 9600 8N1(%%)
	196	)))
1.2	197
15.1	198
16.1	199	//Note: Enter the corresponding letter to change the configuration, like A,B,C//
15.1	200
1.2	201	[[image:https://wiki.dragino.com/images/thumb/c/cb/EC25_1.png/400px-EC25_1.png\|\|height="164" width="400"]]
	202
	203
22.1	204	//Enter AT+GSN in the interface to get the IMEI,//
1.2	205
22.1	206	// For example (% style="color:#037691" %)860548042566627(%%)//
1.2	207
1.6	208	(% class="box infomessage" %)
	209	(((
1.13	210	(((
1.15	211	AT+GSN
1.6	212	)))
1.13	213	)))
1.2	214
	215	[[image:https://wiki.dragino.com/images/thumb/6/66/4G-3.png/400px-4G-3.png\|\|height="286" width="400"]]
	216
18.1	217
16.1	218	= 5. How does the gateway connect to the network via a USB 4G Dongle =
1.2	219
18.1	220
16.1	221	== 5.1 Introduction ==
1.2	222
20.1	223
22.1	224	(% style="color:red" %)//Prerequisite: Requires a USB 4G Dongle and a supported gateway firmware//
1.2	225
1.15	226	(((
16.1	227	//This introduces a setup and configured gateway for using a USB 3g/UMTS-modem for WAN connection.//
20.1	228
	229
1.15	230	)))
1.2	231
1.15	232	(((
20.1	233	//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	234	)))
1.2	235
1.15	236	(((
16.1	237	//This is not beginner-friendly due to too many protocols.//
20.1	238
	239	//For more information: [[https:~~/~~/openwrt.org/docs/guide-user/network/wan/wwan/3gdongle>>url:https://openwrt.org/docs/guide-user/network/wan/wwan/3gdongle]]//
	240
	241
1.15	242	)))
1.2	243
22.1	244	== 5.2 How to use the USB Dongle at the gateway ==
1.2	245
18.1	246
16.1	247	//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	248
1.15	249	(((
20.1	250	//For example, the Huawei-E3372/E8372 is using Hilink mode or NCM mode.//
1.15	251	)))
1.2	252
1.8	253	(% class="box" %)
	254	(((
	255	Huawei-E3372/E8372
16.1	256	Check the (% style="color:#037691" %)E3372(% style="color:black" %) version to determine the mode.
1.2	257	The version numbers starting with 21 is NCM mode
	258	The version numbers starting with 22 is Hilink mode
16.1	259	The E8372 only has Hilink mode
	260	~ (% style="color:red" %)Note： The e3372 in the vast majority of cases is Hilink mode
1.8	261	)))
1.2	262
21.1	263
16.1	264	== 5.3 Hilink mode ==
1.2	265
18.1	266
16.1	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
18.1	269
16.1	270	=== 5.3.1 Plugs into the device ===
1.2	271
18.1	272
1.16	273	(((
16.1	274	//USB-Dongle plugs into the gateway USB port//
1.16	275	)))
1.2	276
1.16	277	(((
16.1	278	//Check the USB module via command (% style="color:#037691" %)lsusb//
1.16	279	)))
1.2	280
1.16	281	(((
16.1	282	(% style="color:red" %)//Note: Users need to that connect to the gateway command line via ssh.//
1.16	283	)))
1.2	284
	285	[[image:https://wiki.dragino.com/images/2/25/Usb-4g.png\|\|height="63" width="554"]]
	286
18.1	287
16.1	288	=== 5.3.2 Detection of new network interfaces added ===
1.2	289
18.1	290
20.1	291	//Check network configuration command line input: //
1.2	292
16.1	293	(% class="box infomessage" %)
	294	(((
	295	(((
	296	root@dragino-1ef9ac:~~# ifconfig -a
	297	)))
	298	)))
1.2	299
	300	[[image:https://wiki.dragino.com/images/thumb/a/a0/Usb-4g-1.png/400px-Usb-4g-1.png\|\|height="401" width="400"]]
	301
16.1	302	//In the command, the output user can see that the new interface added is (% style="color:#037691" %)eth2//
1.2	303
16.1	304	//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	305
18.1	306
16.1	307	=== 5.3.3 Add the new interface to the network configuration. ===
1.2	308
18.1	309
16.1	310	//Enter the configuration from the command line~://
1.2	311
1.11	312	(% class="box" %)
	313	(((
	314	uci set network.lte=interface
1.2	315	uci set network.lte.proto=dhcp
1.11	316	uci set network.lte.ifname=eth2 ~-~-~-~-~-~-~-~-->#This depend on the name of the new interface gateway add
1.2	317	uci commit network
	318	uci set firewall.@zone[1].network="wan wwan wan6 lte"
	319	uci commit firewall
	320	/etc/init.d/network restart
1.11	321	)))
1.2	322
	323	[[~[~[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]]
	324
	325
19.1	326	//Checking Network Configurations//
18.1	327
16.1	328	//Command-line input: (% style="color:#037691" %)ifconfig//
1.2	329
	330	[[~[~[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]]
	331
16.1	332	//Now, Gateway is configured to access the internet on the LTE network.//
1.2	333
18.1	334
16.1	335	== 5.4 NCM mode ==
1.2	336
18.1	337
16.1	338	== 5.5 Troubleshooting ==
1.2	339
18.1	340
16.1	341	=== 5.5.1 The USB-Dongle interface cannot obtain the IP address. ===
1.2	342
18.1	343
16.1	344	//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	345
18.1	346
16.1	347	= 6. How to reduce data traffic =
1.2	348
18.1	349
16.1	350	== 6.1 Introduce ==
1.2	351
	352
18.1	353	//The gateways will use the data traffic below two places.//
	354
	355
16.1	356	//1. There is the data traffic from LoRa package Forward which were the gateway status package and sensor end node uplink/downlink.//
1.2	357
16.1	358	//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	359
	360	[[image:https://wiki.dragino.com/images/thumb/b/bc/LoRa_interval_time_setting.png/600px-LoRa_interval_time_setting.png\|\|height="282" width="600"]]
	361
18.1	362
16.1	363	//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	364
16.1	365	//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	366
	367	[[image:https://wiki.dragino.com/images/thumb/4/49/Systrm_General.png/600px-Systrm_General.png\|\|height="319" width="600"]]
	368
16.1	369	//System General interface//
1.2	370
	371	[[image:https://wiki.dragino.com/images/thumb/f/f0/Set_time_interval.png/600px-Set_time_interval.png\|\|height="319" width="600"]]
	372
16.1	373	//Keepalive script interval time settings//
1.2	374
27.2	375

Wiki source code of Notes for cellular network connection

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