Pay for Gigabit, all devices capped at 30mbps
I've seen several posts similar to this and want to add my experience. Paying for Gig download speeds, every single device on any bandwidth maxes out at 30mbps.
4 chats, 1 phone call, and a technician visit and they all provided no solution. They either try to sell me on other services, blame the equipment, or see that it's fine after a reset and don't try to diagnose it after that. The technician said they'd even come back that same day but ignored my message asking them to.
Bought a new docsis 3.1 modem, wifi7 nighthawk router, and replaced all cables and speeds just die after 5-20 minutes of every modem reset attempt.
None of the suggestions I have seen do me any good. The technician tried to blame a spitter in the box that the previous owner had setup for Dish services. Pinging the modem directly came back with the same speeds. Any reset brings the speeds up to a gig on all devices I ping for 5-20 minutes then all drop down again. Doesn't matter what bandwidth I use as the slow speed occurs on 2.4, 5.0, and even 6.0.
Moved into this new place 2 weeks ago and they've done nothing to help. If someone got Cox to actually stop slowing their speeds down when this happened to them, I'd love to hear what that was.