Thanks so much for a prompt and detailed reply. Now for me to review it and begin to know, "what to do next"! I received the AXE75 today and hope to get all setup as soon as I can~ Thanks, again!

Hello: What I'm doing, at the direction of Spectrum Internet, is "adding a [second] router to their existing modem & router". I need and have a "static IP-address" and Spectrum tells me that this...