Cellular network connection details and tips

**(% 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.**

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Please check the IP address is displayed and the Internet displays "OK", it works properly.

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[[image:image-20220527153827-5.png]]

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=== 2.1.3 Check dialing info ===

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run "**logread -f**" in gateway CLI。

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Fri Feb 7 01:20:28 2020 daemon.notice pppd[29452]: pppd 2.4.7 started by root, uid 0

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Fri Feb 7 01:20:29 2020 user.notice iot_keep_alive: Ping WAN

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Fri Feb 7 01:20:29 2020 user.notice iot_keep_alive: Default interface is

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Fri Feb 7 01:20:29 2020 user.notice iot_keep_alive: No internet at any interface

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Fri Feb 7 01:20:29 2020 local2.info chat[29485]: abort on (BUSY)

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Fri Feb 7 01:20:29 2020 local2.info chat[29485]: abort on (NO CARRIER)

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Fri Feb 7 01:20:29 2020 local2.info chat[29485]: abort on (ERROR)

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Fri Feb 7 01:20:29 2020 local2.info chat[29485]: report (CONNECT)

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Fri Feb 7 01:20:29 2020 local2.info chat[29485]: timeout set to 10 seconds

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Fri Feb 7 01:20:29 2020 local2.info chat[29485]: send (AT&F^M)

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Fri Feb 7 01:20:29 2020 local2.info chat[29485]: expect (OK)

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Fri Feb 7 01:20:29 2020 local2.info chat[29485]: AT&F^M^M

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Fri Feb 7 01:20:29 2020 local2.info chat[29485]: OK

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Fri Feb 7 01:20:29 2020 local2.info chat[29485]: ~-~- got it

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Fri Feb 7 01:20:29 2020 local2.info chat[29485]: send (ATE1^M)

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Fri Feb 7 01:20:29 2020 local2.info chat[29485]: expect (OK)

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Fri Feb 7 01:20:29 2020 local2.info chat[29485]: ^M

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Fri Feb 7 01:20:29 2020 local2.info chat[29485]: ATE1^M^M

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Fri Feb 7 01:20:29 2020 local2.info chat[29485]: OK

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Fri Feb 7 01:20:29 2020 local2.info chat[29485]: ~-~- got it

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Fri Feb 7 01:20:29 2020 local2.info chat[29485]: send (AT+CGDCONT=1,"IP",""^M)

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Fri Feb 7 01:20:30 2020 local2.info chat[29485]: timeout set to 30 seconds

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Fri Feb 7 01:20:30 2020 local2.info chat[29485]: expect (OK)

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Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ^M

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Fri Feb 7 01:20:30 2020 local2.info chat[29485]: AT+CGDCONT=1,"IP",""^M^M

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Fri Feb 7 01:20:30 2020 local2.info chat[29485]: OK

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Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ~-~- got it

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(% 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.

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Normally the problem is with a provider, need to check if the SIM card has balance or other requirement from the cellular operator**(%%)

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(% style="color:black" %)Fri Feb 7 01:20:30 2020 local2.info chat[29485]: expect (CONNECT)

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Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ^M

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Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ATD*99#^M^M

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Fri Feb 7 01:20:30 2020 local2.info chat[29485]: CONNECT

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Fri Feb 7 01:20:30 2020 local2.info chat[29485]: ~-~- got it

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Fri Feb 7 01:20:30 2020 local2.info chat[29485]: send ( ^M)

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Fri Feb 7 01:20:30 2020 daemon.info pppd[29452]: Serial connection established.

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== 2.2 For LPS8v2/MS48-LR ==

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(% class="wikigeneratedid" id="H2.2.1Doyouorderthemodelwithacellularoption" %)

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(% id="cke_bm_23549S" style="display:none" %)

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=== 2.2.1 Do you order the model with a cellular option ===

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Make sure you order the model with the cellular option. Can check by command or via the Web UI.

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//root@dragino-2d5d26:~~# lsusb

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Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

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Bus 004 Device 002: ID 2c7c:0125 Quectel Wireless Solutions Co., Ltd. EC25 LTE modem ~-~-> This is the Cellular module

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Bus 004 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

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Bus 007 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

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Bus 003 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

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Bus 006 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

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Bus 002 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

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Bus 005 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub

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Bus 001 Device 002: ID 0bda:f179 Realtek Semiconductor Corp. RTL8188FTV 802.11b/g/n 1T1R 2.4G WLAN Adapter

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Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

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Bus 009 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub

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root@dragino-2d5d26:~~# //

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[[image:image-20241205150916-1.png]]

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[[image:https://wiki.dragino.com/xwiki/bin/download/Main/Notes%20for%20cellular%20network%20connection/WebHome/image-20220527153804-4.png?rev=1.1||alt="image-20220527153804-4.png"]]

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**Note:** **If the icon is missing some information, like SIM, Network, or Signal, which may be due to the display bug.**

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Please check the IP address is displayed and the Internet displays "OK", it works properly.

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[[image:https://wiki.dragino.com/xwiki/bin/download/Main/Notes%20for%20cellular%20network%20connection/WebHome/image-20220527153827-5.png?rev=1.1||alt="image-20220527153827-5.png"]]

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=== 2.2.2 Check cellular info ===

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run "**quectel-CM**" in gateway CLI

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(% class="box infomessage" %)

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Usage: /usr/bin/quectel-CM [options]

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-s [apn [user password auth]] Set apn/user/password/auth get from your network provider. auth: 1~~pap, 2~~chap

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-p pincode Verify sim card pin if sim card is locked

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-p [quectel-][qmi|mbim]-proxy Request to use proxy

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-f logfilename Save log message of this program to file

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-u usbmonlog filename Save usbmon log to file

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-i interface Specify which network interface to setup data call when multi-modems exits

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-4 Setup IPv4 data call (default)

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-6 Setup IPv6 data call

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-k pdn Specify which pdn to hangup data call (by send SIGINT to 'quectel-CM -n pdn')

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-m iface-idx Bind QMI data call to wwan0_<iface idx> when QMAP used. E.g '-n 7 -m 1' bind pdn-7 data call to wwan0_1

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-b Enable network interface bridge function (default 0)

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-v Verbose log mode, for debug purpose.[Examples]

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Example 1: /usr/bin/quectel-CM

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Example 2: /usr/bin/quectel-CM -s 3gnet

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Example 3: /usr/bin/quectel-CM -s 3gnet -v

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==== **The gateway cellular logs show SIMStatus: SIM_ABSENT** ====

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If the SIM status is **SIM_ABSENT**, the SIM card is not detected. You need to check whether the SIM card is available and whether the device is powered off when the SIM card is installed.

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root@dragino-2d5d26:~~# quectel-CM -s 3gnet

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[12-05_07:12:08:451] Quectel_QConnectManager_Linux_V1.6.0.24

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[12-05_07:12:08:454] Find /sys/bus/usb/devices/4-1 idVendor=0x2c7c idProduct=0x125, bus=0x004, dev=0x002

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[12-05_07:12:08:455] Auto find qmichannel = /dev/cdc-wdm0

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[12-05_07:12:08:455] Auto find usbnet_adapter = wwan0

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[12-05_07:12:08:455] netcard driver = qmi_wwan, driver version = 5.15.43-draginohp0z

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[12-05_07:12:08:456] Modem works in QMI mode

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[12-05_07:12:08:516] cdc_wdm_fd = 7

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[12-05_07:12:08:613] Get clientWDS = 21

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[12-05_07:12:08:645] Get clientDMS = 1

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[12-05_07:12:08:676] Get clientNAS = 4

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[12-05_07:12:08:709] Get clientUIM = 2

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[12-05_07:12:08:741] Get clientWDA = 1

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[12-05_07:12:08:774] requestBaseBandVersion EC25EFAR06A16M4G

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[12-05_07:12:08:902] (% style="color:#037691" %)**requestGetSIMStatus SIMStatus: SIM_ABSENT ~-~-~-~--> This means that the SIM cannot be read**(%%)

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[12-05_07:12:08:902] requestSetProfile[1] 3gnet~/~//0

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[12-05_07:12:08:965] requestGetProfile[1] 3gnet~/~//0

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[12-05_07:12:08:997] requestRegistrationState2 MCC: 0, MNC: 0, PS: Detached, DataCap: UNKNOW

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[12-05_07:12:09:030] requestQueryDataCall IPv4ConnectionStatus: DISCONNECTED

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[12-05_07:12:09:030] ifconfig wwan0 0.0.0.0

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[12-05_07:12:09:043] ifconfig wwan0 down

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^C[12-05_07:12:18:311] QmiWwanThread exit

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[12-05_07:12:18:313] qmi_main exit

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==== **The gateway cellular logs show SIMStatus: SIM_PIN** ====

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If the SIM status is **SIM_PIN**, it means that the SIM card is read but the Pincode needs to be filled in.

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root@dragino-2d5d26:~~# quectel-CM -s 3gnet

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[10-31_12:17:10:166] Find /sys/bus/usb/devices/2-1 idVendor=0x2c7c idProduct=0x125, bus=0x002, dev=0x002

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[10-31_12:17:10:168] Auto find qmichannel = /dev/cdc-wdm0

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[10-31_12:17:10:168] Auto find usbnet_adapter = wwan0

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[10-31_12:17:10:168] netcard driver = qmi_wwan, driver version = 5.15.43-draginohp0z

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[10-31_12:17:10:170] Modem works in QMI mode

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[10-31_12:17:10:234] cdc_wdm_fd = 8

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[10-31_12:17:10:325] Get clientWDS = 21

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[10-31_12:17:10:356] Get clientDMS = 1

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[10-31_12:17:10:389] Get clientNAS = 4

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[10-31_12:17:10:449] Get clientUIM = 2

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[10-31_12:17:10:489] Get clientWDA = 1

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[10-31_12:17:10:518] requestBaseBandVersion EC25EFAR06A16M4G

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[10-31_12:17:10:645] (% style="color:#037691" %)**requestGetSIMStatus SIMStatus: SIM_PIN ~-~-~-~--> This means you need to fill in the Pincode**(%%)

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[10-31_12:17:10:645] requestSetProfile[1] Telekom~/~//0

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[10-31_12:17:10:713] requestGetProfile[1] Telekom~/~//0

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[10-31_12:17:10:743] requestRegistrationState2 MCC: 262, MNC: 2, PS: Detached, DataCap: UNKNOW

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[10-31_12:17:10:773] requestQueryDataCall IPv4ConnectionStatus: DISCONNECTED

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[10-31_12:17:10:774] ifconfig wwan0 0.0.0.0

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[10-31_12:17:10:790] ifconfig wwan0 down

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[10-31_18:27:35:797] QmiWwanThread exit

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[10-31_18:27:35:798] qmi_main exit

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==== **The gateway cellular logs show SIMStatus: SIM_READY** ====

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If the SIM status is **SIM_READY**,** ** it means that the SIM card is detected

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root@dragino-2d5d26:~~# quectel-CM

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[12-05_07:32:57:187] Quectel_QConnectManager_Linux_V1.6.0.24

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[12-05_07:32:57:191] Find /sys/bus/usb/devices/4-1 idVendor=0x2c7c idProduct=0x125, bus=0x004, dev=0x002

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[12-05_07:32:57:192] Auto find qmichannel = /dev/cdc-wdm0

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[12-05_07:32:57:193] Auto find usbnet_adapter = wwan0

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[12-05_07:32:57:198] netcard driver = qmi_wwan, driver version = 5.15.43-draginohp0z

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[12-05_07:32:57:199] Modem works in QMI mode

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[12-05_07:32:57:261] cdc_wdm_fd = 7

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[12-05_07:32:57:334] Get clientWDS = 20

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[12-05_07:32:57:366] Get clientDMS = 1

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[12-05_07:32:57:398] Get clientNAS = 4

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[12-05_07:32:57:431] Get clientUIM = 1

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[12-05_07:32:57:462] Get clientWDA = 1

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[12-05_07:32:57:495] requestBaseBandVersion EC25EFAR06A16M4G

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[12-05_07:32:57:623] (% style="color:#037691" %)**requestGetSIMStatus SIMStatus: SIM_READY**(%%)

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[12-05_07:32:57:655] requestGetProfile[1] 3gnet~/~//0

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[12-05_07:32:57:687] requestRegistrationState2 MCC: 460, MNC: 15, PS: Detached, DataCap: UNKNOW

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[12-05_07:32:57:719] requestQueryDataCall IPv4ConnectionStatus: DISCONNECTED

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[12-05_07:32:57:719] ifconfig wwan0 0.0.0.0

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[12-05_07:32:57:731] ifconfig wwan0 down

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[12-05_07:33:00:727] requestRegistrationState2 MCC: 0, MNC: 0, PS: Detached, DataCap: UNKNOW

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[12-05_07:33:15:895] requestRegistrationState2 MCC: 460, MNC: 0, PS: Detached, DataCap: UNKNOW

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[12-05_07:33:19:063] requestRegistrationState2 MCC: 460, MNC: 0, PS: Detached, DataCap: EDGE

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[12-05_07:33:19:095] requestRegistrationState2 MCC: 460, MNC: 0, PS: Detached, DataCap: EDGE

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[12-05_07:33:21:463] requestRegistrationState2 MCC: 460, MNC: 0, PS: Attached, DataCap: EDGE

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[12-05_07:33:22:359] requestSetupDataCall WdsConnectionIPv4Handle: 0x8728b3d0

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[12-05_07:33:22:488] ifconfig wwan0 up

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[12-05_07:33:22:504] busybox udhcpc -f -n -q -t 5 -i wwan0

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udhcpc: started, v1.30.1

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udhcpc: sending discover

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udhcpc: sending discover

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udhcpc: sending discover

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udhcpc: sending discover

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udhcpc: sending discover

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udhcpc: no lease, failing

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[12-05_07:33:38:103] File:ql_raw_ip_mode_check Line:136 udhcpc fail to get ip address, try next:

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[12-05_07:33:38:103] ifconfig wwan0 down

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[12-05_07:33:38:116] echo Y > /sys/class/net/wwan0/qmi/raw_ip

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[12-05_07:33:38:117] ifconfig wwan0 up

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[12-05_07:33:38:130] busybox udhcpc -f -n -q -t 5 -i wwan0

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udhcpc: started, v1.30.1

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udhcpc: sending discover

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udhcpc: sending select for 10.171.60.177

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udhcpc: lease of 10.171.60.177 obtained, lease time 7200

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)))

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== 2.3 If the following situation occurs, how can users solve this problem? ==

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=== 2.3.1 The gateway can read the SIM card, But the Internet is displayed as Fail. ===

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Users can check whether the APN matched by the SIM card is correct.

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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.

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[[image:image-20220718155937-1.png||height="562" width="497"]]

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=== 2.3.2 The gateway can read the SIM card, But the Internet is displayed as Fail, and at the same time Network displays the carrier network. ===

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It should be SIM card no flow, users can insert SIM cards into the mobile phone for testing.

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[[image:1658131428288-728.png||height="538" width="494"]]

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=== 2.3.3 The gateway can't read the SIM card, and the Internet is displayed as Fail. ===

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Users need to check whether the SIM card type is suitable for the EC25 module.

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[[image:1658131612484-845.png||height="549" width="499"]]

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=== 2.3.4 SIM display：~*~**SIM ERROR~*~** Check SIM is inserted test SIM in a mobile phone？ ===

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Users can insert SIM cards into the mobile phone for testing.

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[[image:image-20220718160804-3.png||height="602" width="500"]]

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= 3. Share Cellular Network for WiFi & LAN clients =

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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.

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(% class="box" %)

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root@dragino-1d25dc:~~# cat /etc/config/firewall

config defaults

option syn_flood '1'

option input 'ACCEPT'

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option output 'ACCEPT'

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option forward 'REJECT'

config zone

option name 'lan'

list network 'lan'

option input 'ACCEPT'

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option output 'ACCEPT'

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option forward 'REJECT'

config zone

option name 'wan'

list network 'wan'

list network 'wwan'

list network 'wan6'

list network 'cellular' ~-~-~-~-~-~-~-~-~-~-~-~-~-~-~-~--> Add this line and reboot

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option input 'REJECT'

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option output 'ACCEPT'

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option forward 'ACCEPT'

option masq '1'

option mtu_fix '1'

config forwarding

option src 'lan'

option dest 'wan'

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and run **/etc/init.d/firewall reload** or **reboot the device**.

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= 4. Switching between Cellular and Ethernet and Wi-Fi networks =

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By default, Cell is the backup WAN where the Ethernet or Wi-Fi network is used first if they are available.

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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.

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**Enable Cellular and connect Ethernet at the same time**

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ETH icon is displayed as [[image:1658135519305-444.png||height="18" width="19"]] Indicates that Ethernet is the main working network.

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Cell icon is displayed as [[image:1658135500498-725.png||height="17" width="17"]] Indicates that Cellular is the backup WAN.

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== 4.1 Switching between Cellular and Ethernet networks ==

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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

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[[image:image-20220606140622-2.png||height="664" width="1106"]]

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**Remove the network cable from the WAN port on the gateway, the gateway will switch to a Cellular network.**

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[[image:image-20220606140859-4.png||height="687" width="1107"]]

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(% style="display:none" %) (%%)

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== 4.2 Switching between Cellular and WiFi networks ==

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(% class="wikigeneratedid" %)

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Enable **Cellular** and connect **WiFi** at the same time

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WiFi icon is displayed as [[image:1658135519305-444.png||height="23" width="24"]] Indicates that WiFi is the main working network.

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Cell icon is displayed as [[image:1658135500498-725.png||height="23" width="22"]] Indicates that Cellular is the backup WAN.

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[[image:image-20220606141113-7.png||height="678" width="1106"]]

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**Close the WiFi WAN, the gateway will switch to a Cellular network.**

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[[image:image-20220606140932-5.png||height="687" width="1107"]]

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== 4.3 At the same time start Cellular and Ethernet and Wi-Fi networks ==

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[[image:image-20220606140328-1.png||height="682" width="1108"]]

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= 5. How does the gateway view the International Mobile Equipment Identity (IMEI) =

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== For LIG16,LPS8, LPS8N, LG308, LG308N, DLOS8, DLOS8N view the International Mobile Equipment Identity (IMEI) ==

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Users can get the IMEI via Linux command, but you have to access the gateway CLI.

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(% class="box infomessage" %)

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**root@dragino-24b3c8:~~# comgt -d /dev/ttyModemAT -s /etc/gcom/getimei.gcom **

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[[image:image-20231218095203-4.png]]

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[[image:image-20231218095426-6.jpeg||height="466" width="990"]]

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== For LPS8v2 view the International Mobile Equipment Identity (IMEI) ==

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(% class="box infomessage" %)

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**root@dragino-e4e891:~~# /usr/local/dragino/cell/getinfo.sh**

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[[image:image-20231218094526-1.png]]

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[[image:image-20231218094741-3.png]]

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== How does the gateway access the Quetel module directly (to send AT commands) ==

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Users can access the gateway CLI and run the minicom command to get the configuration interface.

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**Enter the minicom command, then select the option ''serial port setup".**

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(% class="box infomessage" %)

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**root@dragino-1ef9ac:~~# minicom -s**

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[[image:image-20220527154132-6.png]]

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And then, change the setting:

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(% class="box infomessage" %)

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**Serial Device :** (% style="color:#037691" %)**/dev/ttyModemAT**

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**Bps/Par/Bits :(% style="color:#037691" %) 9600 8N1(%%)**

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(% style="color:red" %)**Note: Enter the corresponding letter to change the configuration, like A,B,C**

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[[image:image-20220527154154-7.png]]

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== International Mobile Equipment Identity (IMEI) ==

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Enter (% style="color:blue" %)**AT+GSN **(%%)in the interface to get the IMEI,

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**For example: (% style="color:#037691" %)860548042566627(%%)**

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(% class="box infomessage" %)

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**AT+GSN**

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[[image:image-20220527154231-8.png]]

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== Integrated Circuit Card Identifier (ICCID) ==

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Enter (% style="color:blue" %)**AT+QCCID **(%%)in the interface to get the ICCID,

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**For example: (% style="color:#037691" %)89860118005400261748(%%)**

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(% class="box infomessage" %)

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**AT+QCCID**

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[[image:1678675878256-777.png]]

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= 6. How does the gateway connect to the network via a USB 4G Dongle =

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== 6.1 Introduction ==

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(% style="color:red" %)**Prerequisite: Requires a USB 4G Dongle and a supported gateway firmware**

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This introduces a setup and configured gateway for using a USB 3g/UMTS-modem for WAN connection.

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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.

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This is not beginner-friendly due to too many protocols.

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For more information: [[https:~~/~~/openwrt.org/docs/guide-user/network/wan/wwan/3gdongle>>url:https://openwrt.org/docs/guide-user/network/wan/wwan/3gdongle]]

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== 6.2 How to use the USB Dongle at the gateway ==

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Most of the products can be used on the gateway, but because their protocols are different, they are not used in the same way.

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For example, the Huawei-E3372/E8372 is using **Hilink mode** or **NCM mode**.

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(% class="box" %)

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Huawei-E3372/E8372

Check the (% style="color:#037691" %)**E3372**(% style="color:black" %) version to determine the mode.

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The version numbers starting with 21 is NCM mode

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The version numbers starting with 22 is Hilink mode

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The E8372 only has Hilink mode

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**~ **(% style="color:red" %)**Note： The e3372 in the vast majority of cases is Hilink mode**

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== 6.3 Hilink mode ==

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//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/]]//

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=== 6.3.1 Plugs into the device ===

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USB-Dongle plugs into the gateway USB port

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Check the USB module via command (% style="color:#037691" %)**lsusb**

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(% style="color:red" %)**Note: Users need to that connect to the gateway command line via ssh.**

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[[image:image-20220527154739-9.png]]

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=== 6.3.2 Detection of new network interfaces added ===

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Check network configuration command line input:

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(% class="box infomessage" %)

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**~ root@dragino-1ef9ac:~~# ifconfig -a**

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[[image:image-20220527154822-10.png]]

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In the command, the output user can see that the new interface added is (% style="color:#037691" %)**eth2**

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Usually, the user can see that the new interface added is (% style="color:#037691" %)**eth2** (% style="color:black" %)or (% style="color:#037691" %)**wwan0**

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=== 6.3.3 Add the new interface to the network configuration. ===

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//Enter the configuration from the command line~://

(% class="box" %)

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uci set network.lte=interface

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uci set network.lte.proto=dhcp

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uci set network.lte.ifname=eth2 ~-~-~-~-~-~-~-~-->#This depend on the name of the new interface gateway add

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uci commit network

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uci set firewall.@zone[1].network="wan wwan wan6 lte"

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uci commit firewall

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/etc/init.d/network restart

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[[image:image-20220527154937-11.png]]

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//**Checking Network Configurations**//

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//Command-line input: (% style="color:#037691" %)**ifconfig**//

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[[image:image-20220527155013-12.png]]

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Now, Gateway is configured to access the internet on the LTE network.

== 6.4 NCM mode ==

== 6.5 Troubleshooting ==

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=== 6.5.1 The USB-Dongle interface cannot obtain the IP address. ===

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Please try this USB dongle to access the internet on your PC, to make sure this USB dongle can normally access the internet.

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= 7. How to reduce data traffic =

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== 7.1 How the gateway will consume data traffic ==

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Below list the place where the data traffic will use.

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* Valid uplink data to LoRaWAN server or IoT server. ( We can't reduce this as they are the data we want)

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* Invalid uplink sensor data to LoRaWAN serevr. ( See Filter unwanted packets)

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* LoRaWAN Status push or polling data to LoRaWAN server . ( We can reduce this part , see below for discussion)

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* System Keep Alive data. ( To ensure the system is more robust, can be disabled)

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* system Time synchronization Checking

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* Auto update ( Software auto update, can be disabled)

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=== 7.1.1 Uploading backup files to reduced data consumption ===

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Users can upload this backup file to reduce data consumption in **System~-~->Back Up/Restore Config**, Download link for backup file: **[[attach:Reduced_data_consumption.tar.gz||target="_blank"]]**

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[[image:image-20240712093532-1.png]]

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=== 7.1.2 Auto update ===

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Gateway will check for update every day for new configure or software. User can disable them by below method.

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=== 7.1.3 Filter unwanted packets ===

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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.

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See [[How to filter unwanted packets>>doc:Main.Filter unwanted LoRaWAN packets.WebHome]]

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== 7.2 Usage statistics ==

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=== 7.2.1 How does Openwrt usage statistics ===

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This is a general instruction for the use of Openwrt of Dragino devices. Current models include:

* LPS8,LPS8N

* LG308,LG308N

* DLOS8,DLOS8N

* LIG16

~1. Activate LuCI and connect to SSH following [[these instructions>>doc:Main.Install Luci in the new UI firmware.WebHome]]

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2. Install luci-app-statistics using the following terminal commands:

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{{{opkg update

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opkg install luci-app-statistics

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opkg install collectd-mod-interface

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/etc/init.d/collectd enable

reboot

}}}

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.

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[[image:image-20221124133431-1.png]]

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[[image:image-20221124135102-2.png]]

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4. View the graphs and statistics using by going to **Statistics > Graphs** **> Interfaces > 3g-cellullar**

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