No IP address for a successful connection on LTE modem

Sorry, last message was in html format I have created a plugin for an LTE modem. This modem exposes 1 AT command port (e.g. ttyUSB0) and one ethernet port via usb (cdc_ether). When the modem is inserted via USB, the kernel enumerates some serial ports(ttyUSB0 -> ttyUSB7) and a network

No IP address for a successful connection on LTE modem

I have created a plugin for an LTE modem. This modem exposes 1 AT command port (e.g. ttyUSB0) and one ethernet port via usb (cdc_ether). When the modem is inserted via USB, the kernel enumerates some serial ports(ttyUSB0 -> ttyUSB7) and a network interface