![Amazon.com: NETGEAR Nighthawk AC1900 (24x8) Wi-Fi Cable Modem Router (C7000) DOCSIS 3.0 Certified for Xfinity Comcast, Time Warner Cable, Cox, & more Bundle with NETGEAR ProSAFE GS108 8-Port Gigabit Desktop Switch (GS108-400NAS) : Amazon.com: NETGEAR Nighthawk AC1900 (24x8) Wi-Fi Cable Modem Router (C7000) DOCSIS 3.0 Certified for Xfinity Comcast, Time Warner Cable, Cox, & more Bundle with NETGEAR ProSAFE GS108 8-Port Gigabit Desktop Switch (GS108-400NAS) :](https://m.media-amazon.com/images/I/61tTlpbDNaL._AC_UF894,1000_QL80_.jpg)
Amazon.com: NETGEAR Nighthawk AC1900 (24x8) Wi-Fi Cable Modem Router (C7000) DOCSIS 3.0 Certified for Xfinity Comcast, Time Warner Cable, Cox, & more Bundle with NETGEAR ProSAFE GS108 8-Port Gigabit Desktop Switch (GS108-400NAS) :
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Amazon.com: NETGEAR Cable Modem WiFi Router Combo C6220 - Compatible With All Cable Providers Including Xfinity by Comcast, Spectrum, Cox | For Cable Plans Up to 200 Mbps | AC1200 WiFi Speed | DOCSIS 3.0 : Electronics
![An Internet or LAN port isn't working correctly on my router. How do I perform a loopback test to check the port? | Answer | NETGEAR Support An Internet or LAN port isn't working correctly on my router. How do I perform a loopback test to check the port? | Answer | NETGEAR Support](https://www.downloads.netgear.com/files/answer_media/DITAToo/Knowledge%20Base%20Articles%20%28New%29/CHP%20Products/Routers/RAX20_loopback_test.png)