![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)
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
![networking - Ethernet wall port worked when plugged directly into laptop, after plugging in router the port doesn't work for the laptop or router anymore - Super User networking - Ethernet wall port worked when plugged directly into laptop, after plugging in router the port doesn't work for the laptop or router anymore - Super User](https://i.stack.imgur.com/NDFZn.png)
networking - Ethernet wall port worked when plugged directly into laptop, after plugging in router the port doesn't work for the laptop or router anymore - Super User
![Amazon.com: Amazon Basics RJ45 Cat-6 Ethernet Patch Internet Cable - 10 Foot (3 Meters), Black : Electronics Amazon.com: Amazon Basics RJ45 Cat-6 Ethernet Patch Internet Cable - 10 Foot (3 Meters), Black : Electronics](https://m.media-amazon.com/images/I/61DQtJPAJ1L._AC_UF894,1000_QL80_.jpg)