An Xfinity router is actually a modem and router combination called a gateway, and you will see it referred to this way in the documentation. Resetting a router refers to removing all data and ...

But Comcast has just released its new xFi Advanced Gateway, a high-speed modem-router combo that can handle gigabit speeds with ease, and I’m starting to think that it might not belong in the trash.

Modems and routers can experience hardware and software glitches, even if a reputable company like Comcast services them.