What is xfsetup?

Anything beginning wih XFSETUP-XXXX is basically the name of your XFinity gateway or network box. Connect through WiFi (if your Gateway/modem supports a wireless connection) Look for the Network Name (SSID) and Password printed on the side, back or bottom of your Gateway or modem. Tip: The name should be listed as either Home-XXXX or XFSETUP-XXXX. Ready for the ultimate in-home WiFi experience? Learn how to install and activate your Xfinity. Is the default wifi name xfsetup-(last 4 of mac)? If so you'll have to set up a name and password for the wifi for it to give you internet access. Find your personal network SSID on the side of your modem.