I have the Nighthawk x6 ac3200 with a 1gb internet service. For the past couple days now when i get on my computer in the morning, my speeds are around 100mbps, so i restart my router and modem (which is a brand new cm1200) and it goes back to the normal speeds i get. I am hard lines with catfe, ive had the router for a few years now and idk if my router is over heating or if its going bad or something along those lines. Anyone seen this before and got there opinion on what may be the cause?