Arris Cable Modem TG1672G provided by Time Warner Cable (Spectrum) 60mbps down and 5 mbps up. Cat6 patch to Archer C7 V2 AC1750 WAN port. LAN is Cat6 cable to a single Windows 10 desktop PC with...

I am having exact same problem...if you got things working, please share to tim.oneill@twc.com or reply here. Thanks Hesher636