Personally owned modem - anything I should do ahead of time before installing?
I plan to switch from a rented cable modem to one of the approved third party devices. Is there anything I should do ahead of time to make the switch go smoothly? From most accounts I've read it looks like I should be able to just hook up the new modem and go through activation again. A small few do seem to have had problems, though. Is there any reason to give Xfinity a call before the switch to have them set anything up with regard to the new device? I want to avoid downtime as much as possible, and certainly don't want to end up dead in the water for any length of time. I work using this connection.