This article will help you quickly take a Raspberry Pi and configure it as an Internet Router using OpenWrt software.
We focus on OpenWrt 22.03.6 software and Telit-Cinterion Cellular module hardware.
Internet connectivity is achieved using the medium performance CDC-ECM “Wireless Ethernet Adapter” method.
This uses cdc-acm / cdc-ecm drivers and Linux shell scripts (see AT Command AT^SWWAN) to start the interface.
Full PDF presentation:
2024_04_03_OpenWrt_Raspberry_PI_networking_CDC-ECM.pdf (1.7 MB)
Packages and Scripts:
packages_wwan.zip (889.2 KB)