I currently rent my modem from comcast. It is not functioning properly. Comcast has me scheduled to pick up a new gateway modem/router next week. I don't think I want the modem/router combo because I already have a pretty good router that covers the entire floorspace of my home and some distance into the yard very effectively. If I am planning to get just a modem by itself I was wondering if there are any additional steps for setting up a modem if I buy one instead of leasing and make certain that it is comcast compatible. So what is different in setting up a wireless network through a modem that is purchased at, say, Best Buy rather than leased through comcast if it is the same type/model of modem? Can comcast still check my connection and speed if I use a purchased modem that doesn't come from them, and during set-up do I need to call to get comcast to do something extra because it is an "outside" modem?
thank you.