Using Qmi Binary Modem Interface To Create Linux Network Interface - Multitech MultiConnect MTC-L4G2D User Manual

USING LINUX WITH THE L4G2D RADIO
rtt min/avg/max/mdev = 79.393/134.868/289.429/89.269 ms
Example Off:
$ poff l4g2d_peer
$ ifconfig ppp0
ppp0: error fetching interface information: Device not found

Using QMI Binary Modem Interface to Create Linux Network Interface

Use the modem's QMI binary modem interface to create a network connection. This section provides information
about installing dependencies, bringing the QMI interface online, configuring the Linux network interface wwan0
and installing dependencies
Installing Dependencies
sudo apt-get update
sudo apt-get install libqmi-utils udhcpc net-tools
sudo reboot
Bringing Modem QMI Interface Online
Check QMI operating mode:
$ sudo qmicli -d /dev/cdc-wdm0 --dms-get-operating-mode
[/dev/cdc-wdm0] Operating mode retrieved:
Mode: 'online'
HW restricted: 'no'
If mode is not 'online' set to 'online':
$ sudo qmicli -d /dev/cdc-wdm0 --dms-set-operating-mode='online'
[/dev/cdc-wdm0] Operating mode set successfully
Preparing and Configuring the Network Interface
The Raspberian Linux distribution uses wwan0 for the modem's network interface. This section shows how to bring
the wwan0 interface down and configure for use with udhcpc.
Bring the wwan0 network interface down:
sudo ifconfig wwan0 down
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MultiConnect Cell MTC-L4G2D User Guide