![An Internet or LAN port isn't working correctly on my router. How do I perform a loopback test to check the port? - 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? - 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? - NETGEAR Support
What is the difference between a straight-through and cross-over Ethernet cable? Which one should be used for connecting two computers together (not to a router)? - Quora
![can't get my new modem/router to work, and i'm thinking it might be a coax cable issue. does this connection look right? it's as tight as it gets but it doesn't go can't get my new modem/router to work, and i'm thinking it might be a coax cable issue. does this connection look right? it's as tight as it gets but it doesn't go](https://i.redd.it/qx3cisnaieab1.jpg)