Wiki source code of Cellular network connection details and tips

Version 94.1 by Kilight Cao on 2023/12/18 09:55

version	line-number	content
71.4	1
	2
23.2	3	Table of Contents：
1.2	4
1.1	5	{{toc/}}
	6
23.2	7
	8
82.2	9	= 1. Enable Cellular Connection =
1.1	10
	11
82.3	12	If your device has a Cellular module, you can see the below screenshot. enable the cellular connection here.
15.1	13
42.2	14	[[image:image-20220601110850-2.png]]
1.1	15
15.1	16	//Enable Cellular Connection//
	17
42.4	18
1.12	19	(((
82.3	20	If your device doesn't have a cellular module, you will see a cellular module not detected.
1.12	21	)))
1.1	22
24.2	23	[[image:image-20220527153544-2.png]]
1.1	24
	25
82.2	26	= 2. How to Debug if Cellular connection fails =
71.5	27
1.1	28
82.3	29	If there is a problem with the cellular connection. Please check the below points:
1.1	30
	31
82.2	32	== 2.1 Do you order the model with a cellular option ==
71.5	33
15.1	34
82.3	35	Make sure you order the model with the cellular option. Can check by command or via the Web UI.
15.1	36
1.2	37	(% class="box" %)
	38	(((
15.1	39	//root@dragino-1bbd90:~~# lsusb
1.2	40	Bus 001 Device 004: ID 2c7c:0125 ~-~-> This is the Cellular module
	41	Bus 001 Device 002: ID 1a40:0101 Terminus Technology Inc. Hub
15.1	42	Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub//
1.2	43	)))
1.1	44
41.2	45	[[image:image-20220601110748-1.png]]
15.1	46
6.1	47
82.2	48	== 2.2 Do you input the SIM card correctly ==
71.5	49
1.1	50
82.3	51	Below command can check if you have a SIM card inserted, or via Web UI
15.1	52
82.3	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.
15.1	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" %)
27.2	67	[[image:image-20220527153804-4.png]]
14.1	68
15.1	69
14.1	70	(% class="wikigeneratedid" %)
82.3	71	(% style="color:red" %)Note:(%%)(% style="color:red" %) 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" %)
82.3	74	Please check the IP address is displayed and the Internet displays "OK", it works properly.
6.1	75
11.1	76	(% class="wikigeneratedid" %)
27.2	77	[[image:image-20220527153827-5.png]]
11.1	78
27.3	79
82.2	80	== 2.3 Check dialing info ==
71.5	81
1.2	82
82.3	83	run "logread -f" in gateway CLI。
1.2	84
	85	(% class="box" %)
	86	(((
	87	Fri Feb 7 01:20:28 2020 daemon.notice pppd[29452]: pppd 2.4.7 started by root, uid 0
	88	Fri Feb 7 01:20:29 2020 user.notice iot_keep_alive: Ping WAN
	89	Fri Feb 7 01:20:29 2020 user.notice iot_keep_alive: Default interface is
	90	Fri Feb 7 01:20:29 2020 user.notice iot_keep_alive: No internet at any interface
	91	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: abort on (BUSY)
	92	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: abort on (NO CARRIER)
	93	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: abort on (ERROR)
	94	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: report (CONNECT)
	95	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: timeout set to 10 seconds
	96	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: send (AT&F^M)
	97	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: expect (OK)
	98	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: AT&F^M^M
	99	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: OK
	100	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: ~-~- got it
	101	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: send (ATE1^M)
	102	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: expect (OK)
	103	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: ^M
	104	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: ATE1^M^M
	105	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: OK
	106	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: ~-~- got it
	107	Fri Feb 7 01:20:29 2020 local2.info chat[29485]: send (AT+CGDCONT=1,"IP",""^M)
	108	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: timeout set to 30 seconds
	109	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: expect (OK)
	110	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ^M
	111	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: AT+CGDCONT=1,"IP",""^M^M
	112	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: OK
	113	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ~-~- got it
27.3	114	(% 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.
	115	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	116	(% style="color:black" %)Fri Feb 7 01:20:30 2020 local2.info chat[29485]: expect (CONNECT)
1.2	117	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ^M
	118	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ATD*99#^M^M
	119	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: CONNECT
	120	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ~-~- got it
	121	Fri Feb 7 01:20:30 2020 local2.info chat[29485]: send ( ^M)
	122	Fri Feb 7 01:20:30 2020 daemon.info pppd[29452]: Serial connection established.
	123	)))
	124
65.1	125
82.2	126	== 2.4 If the following situation occurs, how can users solve this problem? ==
71.5	127
82.2	128	=== 2.4.1 The gateway can read the SIM card, But the Internet is displayed as Fail. ===
27.4	129
64.1	130
82.3	131	Users can check whether the APN matched by the SIM card is correct.
64.1	132
82.3	133	Regarding what APN your SIM card should use, Users can search for the APN corresponding to the SIM card by Google or ask the carrier.
64.1	134
71.5	135
64.1	136	[[image:image-20220718155937-1.png\|\|height="562" width="497"]]
	137
	138
82.2	139	=== 2.4.2 The gateway can read the SIM card, But the Internet is displayed as Fail, and at the same time Network displays the carrier network. ===
71.5	140
64.1	141
82.3	142	It should be SIM card no flow, users can insert SIM cards into the mobile phone for testing.
64.1	143
71.5	144
64.1	145	[[image:1658131428288-728.png\|\|height="538" width="494"]]
	146
	147
82.2	148	=== 2.4.3 The gateway can't read the SIM card, and the Internet is displayed as Fail. ===
71.5	149
64.1	150
82.3	151	Users need to check whether the SIM card type is suitable for the EC25 module.
64.1	152
71.5	153
64.1	154	[[image:1658131612484-845.png\|\|height="549" width="499"]]
	155
	156
82.2	157	=== 2.4.4 SIM display：~~SIM ERROR~~** Check SIM is inserted test SIM in a mobile phone？ ===
71.5	158
64.1	159
82.3	160	Users can insert SIM cards into the mobile phone for testing.
64.1	161
71.5	162
64.1	163	[[image:image-20220718160804-3.png\|\|height="602" width="500"]]
	164
71.5	165
82.2	166	= 3. Share Cellular Network for WiFi & LAN clients =
71.5	167
1.2	168
1.12	169	(((
82.3	170	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	171	)))
1.2	172
1.5	173	(% class="box" %)
	174	(((
1.12	175	(((
15.1	176	root@dragino-1d25dc:~~# cat /etc/config/firewall
	177
1.5	178	config defaults
1.2	179	option syn_flood '1'
	180	option input 'ACCEPT'
	181	option output 'ACCEPT'
	182	option forward 'REJECT'
	183	config zone
	184	option name 'lan'
	185	list network 'lan'
	186	option input 'ACCEPT'
	187	option output 'ACCEPT'
1.5	188	option forward 'REJECT'
1.2	189	config zone
	190	option name 'wan'
	191	list network 'wan'
	192	list network 'wwan'
	193	list network 'wan6'
1.5	194	list network 'cellular' ~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~--> Add this line and reboot
1.2	195	option input 'REJECT'
	196	option output 'ACCEPT'
	197	option forward 'ACCEPT'
	198	option masq '1'
	199	option mtu_fix '1'
	200	config forwarding
	201	option src 'lan'
	202	option dest 'wan'
1.5	203	)))
1.12	204	)))
1.2	205
1.14	206	(((
82.3	207	and run /etc/init.d/firewall reload or reboot the device.
15.1	208
55.1	209
82.2	210	= 4. Switching between Cellular and Ethernet and Wi-Fi networks =
55.1	211
44.1	212
82.3	213	By default, Cell is the backup WAN where the Ethernet or Wi-Fi network is used first if they are available.
44.1	214
82.3	215	Once the Ethernet of the Wi-Fi network is unavailable where the gateway network will switch to a Cell network from Ethernet or Wi-Fi.
53.1	216
	217
55.1	218	Enable Cellular and connect Ethernet at the same time
53.1	219
71.5	220	ETH icon is displayed as [[image:1658135519305-444.png\|\|height="18" width="19"]] Indicates that Ethernet is the main working network.
53.1	221
71.5	222	Cell icon is displayed as [[image:1658135500498-725.png\|\|height="17" width="17"]] Indicates that Cellular is the backup WAN.
53.1	223
55.1	224
82.2	225	== 4.1 Switching between Cellular and Ethernet networks ==
71.5	226
55.1	227
82.3	228	When connecting to the AP WiFI of the gateway, users can access the Web UI of the gateway through the default address 10.130.1.1
55.1	229
51.1	230	[[image:image-20220606140622-2.png\|\|height="664" width="1106"]]
44.1	231
	232
82.3	233	Remove the network cable from the WAN port on the gateway, the gateway will switch to a Cellular network.
53.1	234
	235	[[image:image-20220606140859-4.png\|\|height="687" width="1107"]]
	236
71.5	237	(% style="display:none" %) (%%)
55.1	238
82.2	239	== 4.2 Switching between Cellular and WiFi networks ==
71.5	240
44.1	241
53.1	242	(% class="wikigeneratedid" %)
82.3	243	Enable Cellular and connect WiFi at the same time
53.1	244
82.3	245	WiFi icon is displayed as [[image:1658135519305-444.png\|\|height="23" width="24"]] Indicates that WiFi is the main working network.
53.1	246
82.3	247	Cell icon is displayed as [[image:1658135500498-725.png\|\|height="23" width="22"]] Indicates that Cellular is the backup WAN.
53.1	248
71.5	249
51.1	250	[[image:image-20220606141113-7.png\|\|height="678" width="1106"]]
	251
53.1	252
82.3	253	Close the WiFi WAN, the gateway will switch to a Cellular network.
53.1	254
51.1	255	[[image:image-20220606140932-5.png\|\|height="687" width="1107"]]
	256
45.1	257
82.2	258	== 4.3 At the same time start Cellular and Ethernet and Wi-Fi networks ==
71.5	259
53.1	260
	261	[[image:image-20220606140328-1.png\|\|height="682" width="1108"]]
	262
15.1	263
1.14	264	)))
1.2	265
82.2	266	= 5. How does the gateway view the International Mobile Equipment Identity (IMEI) =
1.2	267
94.1	268	=== For LIG16,LPS8, LPS8N, LG308, LG308N, DLOS8, DLOS8N view the International Mobile Equipment Identity (IMEI) ===
1.2	269
94.1	270
74.1	271	Users can get the IMEI via Linux command, but you have to access the gateway CLI.
	272
	273	(% class="box infomessage" %)
	274	(((
94.1	275	root@dragino-24b3c8:~~# comgt -d /dev/ttyModemAT -s /etc/gcom/getimei.gcom
74.1	276	)))
	277
94.1	278	[[image:image-20231218095203-4.png]]
74.1	279
	280
94.1	281	[[image:image-20231218095426-6.jpeg\|\|height="466" width="990"]]
74.1	282
	283
94.1	284	=== For LPS8v2 view the International Mobile Equipment Identity (IMEI) ===
	285
	286	(% class="box infomessage" %)
	287	(((
	288	root@dragino-e4e891:~~# /usr/local/dragino/cell/getinfo.sh
	289	)))
	290
	291	[[image:image-20231218094526-1.png]]
	292
	293
	294	[[image:image-20231218094741-3.png]]
	295
	296
74.1	297	== How does the gateway access the Quetel module directly (to send AT commands) ==
	298
	299
82.3	300	Users can access the gateway CLI and run the minicom command to get the configuration interface.
15.1	301
1.13	302	(((
15.1	303
	304
82.3	305	Enter the minicom command, then select the option ''serial port setup".
1.13	306	)))
1.2	307
1.5	308	(% class="box infomessage" %)
	309	(((
71.4	310	root@dragino-1ef9ac:~~# minicom -s
1.5	311	)))
1.2	312
31.2	313	[[image:image-20220527154132-6.png]]
1.2	314
	315
15.1	316	And then, change the setting:
1.2	317
15.1	318	(% class="box infomessage" %)
	319	(((
71.5	320	Serial Device : (% style="color:#037691" %)/dev/ttyModemAT
1.2	321
71.5	322	Bps/Par/Bits :(% style="color:#037691" %) 9600 8N1(%%)
15.1	323	)))
1.2	324
15.1	325
82.3	326	(% style="color:red" %)Note: Enter the corresponding letter to change the configuration, like A,B,C
15.1	327
31.2	328	[[image:image-20220527154154-7.png]]
1.2	329
	330
81.1	331	=== International Mobile Equipment Identity (IMEI) ===
	332
	333
71.5	334	(((
82.3	335	Enter (% style="color:blue" %)AT+GSN (%%)in the interface to get the IMEI,
71.5	336	)))
1.2	337
71.5	338	(((
82.3	339	For example: (% style="color:#037691" %)860548042566627(%%)
71.5	340	)))
1.2	341
1.6	342	(% class="box infomessage" %)
	343	(((
1.13	344	(((
31.2	345	AT+GSN
1.6	346	)))
1.13	347	)))
1.2	348
31.2	349	[[image:image-20220527154231-8.png]]
1.2	350
18.1	351
81.1	352	=== Integrated Circuit Card Identifier (ICCID) ===
71.5	353
81.1	354
	355	(((
82.3	356	Enter (% style="color:blue" %)AT+QCCID (%%)in the interface to get the ICCID,
81.1	357	)))
	358
	359	(((
82.3	360	For example: (% style="color:#037691" %)89860118005400261748(%%)
81.1	361
	362	(% class="box infomessage" %)
	363	(((
	364	AT+QCCID
	365	)))
	366	)))
	367
	368	[[image:1678675878256-777.png]]
	369
1.2	370
82.2	371	= 6. How does the gateway connect to the network via a USB 4G Dongle =
18.1	372
82.2	373	== 6.1 Introduction ==
1.2	374
20.1	375
82.3	376	(% style="color:red" %)Prerequisite: Requires a USB 4G Dongle and a supported gateway firmware
1.2	377
1.15	378	(((
82.3	379	This introduces a setup and configured gateway for using a USB 3g/UMTS-modem for WAN connection.
20.1	380
	381
1.15	382	)))
1.2	383
1.15	384	(((
82.3	385	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	386	)))
1.2	387
1.15	388	(((
82.3	389	This is not beginner-friendly due to too many protocols.
20.1	390
82.3	391	For more information: [[https:~~/~~/openwrt.org/docs/guide-user/network/wan/wwan/3gdongle>>url:https://openwrt.org/docs/guide-user/network/wan/wwan/3gdongle]]
20.1	392
	393
1.15	394	)))
1.2	395
82.2	396	== 6.2 How to use the USB Dongle at the gateway ==
1.2	397
18.1	398
82.3	399	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	400
1.15	401	(((
82.3	402	For example, the Huawei-E3372/E8372 is using Hilink mode or NCM mode.
1.15	403	)))
1.2	404
1.8	405	(% class="box" %)
	406	(((
	407	Huawei-E3372/E8372
16.1	408	Check the (% style="color:#037691" %)E3372(% style="color:black" %) version to determine the mode.
1.2	409	The version numbers starting with 21 is NCM mode
	410	The version numbers starting with 22 is Hilink mode
16.1	411	The E8372 only has Hilink mode
	412	~ (% style="color:red" %)Note： The e3372 in the vast majority of cases is Hilink mode
1.8	413	)))
1.2	414
21.1	415
82.2	416	== 6.3 Hilink mode ==
71.6	417
1.2	418
16.1	419	//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	420
18.1	421
82.2	422	=== 6.3.1 Plugs into the device ===
71.6	423
1.2	424
1.16	425	(((
82.3	426	USB-Dongle plugs into the gateway USB port
1.16	427	)))
1.2	428
1.16	429	(((
82.3	430	Check the USB module via command (% style="color:#037691" %)lsusb
1.16	431	)))
1.2	432
1.16	433	(((
82.3	434	(% style="color:red" %)Note: Users need to that connect to the gateway command line via ssh.
1.16	435	)))
1.2	436
32.2	437	[[image:image-20220527154739-9.png]]
1.2	438
18.1	439
82.2	440	=== 6.3.2 Detection of new network interfaces added ===
71.6	441
1.2	442
82.3	443	Check network configuration command line input:
1.2	444
16.1	445	(% class="box infomessage" %)
	446	(((
	447	(((
71.3	448	~ root@dragino-1ef9ac:~~# ifconfig -a
16.1	449	)))
	450	)))
1.2	451
33.2	452	[[image:image-20220527154822-10.png]]
1.2	453
82.3	454	In the command, the output user can see that the new interface added is (% style="color:#037691" %)eth2
1.2	455
82.3	456	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	457
18.1	458
82.2	459	=== 6.3.3 Add the new interface to the network configuration. ===
71.6	460
1.2	461
16.1	462	//Enter the configuration from the command line~://
1.2	463
1.11	464	(% class="box" %)
	465	(((
	466	uci set network.lte=interface
1.2	467	uci set network.lte.proto=dhcp
1.11	468	uci set network.lte.ifname=eth2 ~-~-~-~-~-~-~-~-->#This depend on the name of the new interface gateway add
1.2	469	uci commit network
	470	uci set firewall.@zone[1].network="wan wwan wan6 lte"
	471	uci commit firewall
	472	/etc/init.d/network restart
1.11	473	)))
1.2	474
34.2	475	[[image:image-20220527154937-11.png]]
1.2	476
	477
19.1	478	//Checking Network Configurations//
18.1	479
16.1	480	//Command-line input: (% style="color:#037691" %)ifconfig//
1.2	481
35.2	482	[[image:image-20220527155013-12.png]]
1.2	483
82.3	484	Now, Gateway is configured to access the internet on the LTE network.
1.2	485
18.1	486
82.2	487	== 6.4 NCM mode ==
71.6	488
1.2	489
82.2	490	== 6.5 Troubleshooting ==
18.1	491
82.2	492	=== 6.5.1 The USB-Dongle interface cannot obtain the IP address. ===
1.2	493
18.1	494
82.3	495	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	496
18.1	497
82.2	498	= 7. How to reduce data traffic =
71.6	499
83.1	500	== 7.1 How the gateway will consume data traffic ==
1.2	501
83.1	502	Below list the place where the data traffic will use.
18.1	503
83.1	504	* Valid uplink data to LoRaWAN server or IoT server. ( We can't reduce this as they are the data we want)
	505	* Invalid uplink sensor data to LoRaWAN serevr. ( See Filter unwanted packets)
	506	* LoRaWAN Status push or polling data to LoRaWAN server . ( We can reduce this part , see below for discussion)
	507	* System Keep Alive data. ( To ensure the system is more robust, can be disabled)
87.1	508	* system Time synchronization Checking
83.1	509	* Auto update ( Software auto update, can be disabled)
18.1	510
83.1	511	=== 7.1.1 LoRaWAN Status push or polling data to LoRaWAN server ===
1.2	512
83.1	513	When gateway connect to LoRaWAN server via LoRaWAN protocol, besides the sensor data uplink/downlink. gateway will still need to:
1.2	514
83.1	515	* Uplink self-status to the LoRaWAN server every 30s. the users can adjust Keep Alive Period as below
	516	* Check LoRaWAN server status every 5 seconds to see if there is valid downlink command to sensors. We don't provide WEB UI option to modify this time, because the modify of this settings will lead to fail on OTAA Join and Downlink commands.
	517
36.2	518	[[image:image-20220527155108-13.png]]
1.2	519
18.1	520
83.1	521	=== 7.1.2 System Keep Alive data ===
71.3	522
83.1	523	System Keep Alive Data is used to check gateway-network status and fix possible issue. Gateway will check every 15 seconds and generate traffic.
1.2	524
83.1	525	Base on 15 seconds per check, the data traffic is about 2M data traffic per day. Users can adjust Keepalive Interval as below.
1.2	526
84.1	527	[[image:image-20220527155229-15.png\|\|height="511" width="986"]]
1.2	528
	529
83.1	530	=== 7.1.3 Auto update ===
1.2	531
83.1	532	Gateway will check for update every day for new configure or software. User can disable them by below method.
39.2	533
1.2	534
83.1	535	=== 7.1.4 Filter unwanted packets ===
43.1	536
84.1	537	When gateway connect to LoRaWAN server via LoRaWAN protocol , Gateway will by default get every possible LoRaWAN packets and forward to LoRaWAN server. If there are sensors from others in the same area, such sensor data will also be forward to LoRaWAN server ( they will be ignore by the server). This also consume data.
71.6	538
43.1	539	See [[How to filter unwanted packets>>doc:Main.Filter unwanted LoRaWAN packets.WebHome]]
	540
76.1	541
85.1	542	== 7.2 Usage statistics ==
76.1	543
	544
86.1	545	=== 7.2.1 How does Openwrt usage statistics ===
	546
	547	This is a general instruction for the use of Openwrt of Dragino devices. Current models include:
	548
	549	* LPS8,LPS8N
	550	* LG308,LG308N
	551	* DLOS8,DLOS8N
	552	* LIG16
	553
76.1	554	~1. Activate LuCI and connect to SSH following [[these instructions>>doc:Main.Install Luci in the new UI firmware.WebHome]]
	555
	556	2. Install luci-app-statistics using the following terminal commands:
	557
	558	{{{opkg update
	559	opkg install luci-app-statistics
	560	opkg install collectd-mod-interface
	561	/etc/init.d/collectd enable
	562	reboot
	563	}}}
	564
79.1	565	3. Select the interface to be monitored by going to Statistics > Setup in the upper menu then Network plugins > Interfaces. Select 3g-cellular in the list then save. You can select multiple interfaces by pressing the ctrl key while selecting the interfaces.
76.1	566
79.1	567	[[image:image-20221124133431-1.png]]
76.1	568
79.1	569	[[image:image-20221124135102-2.png]]
	570
82.3	571
79.1	572	4. View the graphs and statistics using by going to Statistics > Graphs > Interfaces > 3g-cellullar
	573
	574	[[image:image-20221124134927-1.png]]
	575
	576

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