![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_front.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
![routing - How do I connect a router on one LAN port to another router on another LAN port on the same switch? - Server Fault routing - How do I connect a router on one LAN port to another router on another LAN port on the same switch? - Server Fault](https://i.stack.imgur.com/TqFqH.png)
routing - How do I connect a router on one LAN port to another router on another LAN port on the same switch? - Server Fault
Can I plug an Ethernet cable into one of the LAN ports in my WiFi router without breaking anything? - Quora
![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)