![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
![Router - T-Online Zugangsdaten korrekt eingeben - Enter the correct provider data - ALL-WR0500AC ALL02400N ALL02300N ALL500VDSL2 ALL-WR02400N - Powered by Kayako Help Desk Software Router - T-Online Zugangsdaten korrekt eingeben - Enter the correct provider data - ALL-WR0500AC ALL02400N ALL02300N ALL500VDSL2 ALL-WR02400N - Powered by Kayako Help Desk Software](http://service.allnet.de/image-ftp/ftp/pub/joerg/02300n.telekom.jpg)
Router - T-Online Zugangsdaten korrekt eingeben - Enter the correct provider data - ALL-WR0500AC ALL02400N ALL02300N ALL500VDSL2 ALL-WR02400N - Powered by Kayako Help Desk Software
![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)