@RobertJ I could never get the problem resolved with my Archer C7 - it would never give me my full 400Mbps speed for more than a few minutes. So I ditched the Archer and replaced it with an ASUS...

@lbyinchina Bumping this old thread back up. I'm having almost the EXACT same problem with my Archer C7 V2 router as the OP except my service provider is Spectrum. Here are my particulars: Model :...