Does Dynalink WiFi support Comcast Xfinity Internet?

Yes, Dynalink WiFi can work with Comcast Xfinity Internet service. You do not need to change any setting on the Xfinity modem. For Dynalink WiFi, use default WAN setting (DHCP). Simply use the Ethernet to connect Dynalink WiFi’s WAN port to one of Xfinity modem’s LAN port, then you can start to enjoy Xfinity Internet with Dynalink WiFi.