Raspberry Pi networked via NDIS

Preparation

Please check the connection first

The USB interface (not the USB to UART) is connected to USB port of Pi
The SIM7600X module are powered normally
The PWR indicator is lighting, the NET indicator is blinking.

Configuration

If you have followed the RNIDS method, and you the usb0 interface is listed by command ifconfig -a, you need to first reset it by the AT command below

Disable usb0 port

Communicate SIM7600x Module by minicom

minicom -D /dev/ttyUSB2

Type the following command to reset the module and exit

AT+CUSBPIDSWITCH=9001,1,1

After setting, you can check if usb0 interface disppears

ifconfig -a

Install wwan0 driver

Raspberry Pi pre-built the wan0 driver of Qualcomm, we need to remove it and then install the driver of SIMCOM.

Use root permission and remove the wwan0 dirver

sudo su
rmmod qmi_wwan

Download the soucrs codes of wwan0 driver

wget https://files.waveshare.com/upload/0/00/SIM7600_NDIS.7z
sudo apt-get install p7zip-full -y
7z x SIM7600_NDIS.7z   -r -o./SIM7600_NDIS
cd SIM7600_NDIS

Install the kernel-headers of Raspberry Pi

sudo apt install raspberrypi-kernel-headers

Note: If the Raspberry Pi OS you use is the old version, you need to update the driver with the following commands

sudo apt-get install --reinstall raspberrypi-bootloader raspberrypi-kernel

Compile the driver

sudo su
make clean
make
ls

After command you can find the driver file simcom_wwan.ko is listed.

Install the driver

insmod simcom_wwan.ko
lsmod

Set up network

Check if the wwan0 is recognized

ifconfig -a

Open the wwan0 interface

sudo ifconfig wwan0 up

Dailing by AT command

minicom -D /dev/ttyUSB2
AT$QCRMCALL=1,1

Finnally, Assign the IP address

apt-get install udhcpc
udhcpc -i wwan0

Then you can try to ping a website for a try.

ifconfig -a
ping -I wwan0 www.waveshare.com

If there is dns error, you can fix it by the following command

route add -net 0.0.0.0 wwan0

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