![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
![Amazon.com: Actiontec GT784WN-NF Wireless N DSL Modem Router - 300 Mbps - External Detachable Antenna (Renewed) : Electronics Amazon.com: Actiontec GT784WN-NF Wireless N DSL Modem Router - 300 Mbps - External Detachable Antenna (Renewed) : Electronics](https://m.media-amazon.com/images/I/814Xu4XbNJL.jpg)
Amazon.com: Actiontec GT784WN-NF Wireless N DSL Modem Router - 300 Mbps - External Detachable Antenna (Renewed) : 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_front.png)