What is the Difference Between a Modem and a Router?
Networking: Use cellular as an internet gateway (IP Passthrough) – Opengear Help Desk
How to Access and Change Your Wi-Fi Router's Settings | PCMag
Can I connect the modem to the switch then to the router? - Quora
The Purpose and Inner Workings of TCP/IP Router Tables
networking - Why I can still access modem GUI when it is bridged? - Super User
networking - What does ISP modem internal network topology look like to be able to access its managment IP Address when bridged and not bridged? - Super User