@RyanEverhart789 Just out of curiosity, have you tried plugging your M9 directly into the AT&T router? That's how mine is set up - it's not going to a switch first. I wouldn't expect that to make a...

@RyanEverhart789 I'm having EXACTLY the same problem even down to using AT&T and the speed (around 530 MBits). Was hoping this problem was solved on the forum