NETGEAR DOCSIS 3.1 Multi-Gig Cable Modem with 4 Ethernet Ports. Max download speeds of 6.0 Gbps, For XFINITY by Comcast, Spectrum, and Cox (CM1200) - Newegg.com
Can I plug a router into an Ethernet port? - Quora
Network Switch Before or After Router?
What Is the Difference Between a Router and a Modem? - The Plug - HelloTech
What is the difference between a router and a modem?
Ensure the Ethernet cable is correctly connected between the modem and the WAN port on the router
Identify your home's WiFi Router and Cable or DSL Modem — Insteon
How to Connect a Router to a Modem (with Pictures) - wikiHow