Start here · Essential guide
Gateway vs Router: Are They the Same Thing?
A gateway and a router are not quite the same. Learn how ISP gateways differ from routers and modems, what double NAT is, and which setup suits your home.
Computer & Router Basics
Modem Router Basics
6 guides, starting with Gateway vs Router: Are They the Same Thing?.
Can You Have a Router Without a Modem?
Yes, you can use a router without a modem, but it usually won't give you internet. Learn what it can still do and when you don't need a separate modem.
Can You Use a Router With a Modem/Router Combo?
Yes, you can add your own router to a modem/router combo. Compare bridge mode, access point mode and double NAT, plus how to connect and troubleshoot.
How to Connect a Modem to a Router on Spectrum
Learn how to connect a Spectrum modem to a router: coax and power, wait for the modem to come online, then Ethernet to the router. Plus troubleshooting tips.
How to Connect a Wireless Router Without a Modem
Learn how to set up a wireless router without a modem, either on an active Ethernet jack or ONT for internet, or as a local-only network, step by step.
What Is an ONT and How Does It Relate to Your Router?
An ONT (optical network terminal) is the fiber equivalent of a modem. Learn what it does, how it connects to your router, and common setups and fixes.
Related topics
More in computer & router basics
General Computer Troubleshooting 6 guides, starting with Computer Troubleshooting 101: A Step-by-Step Guide to Fixes. Router Ports & Hardware 7 guides, starting with Router Parts Explained: How to Identify Your Router’s Components. Choosing & Replacing a Router 7 guides, starting with Can You Use Any Router? A Compatibility Guide.