![UDM Pro WAN Port dropping to 100Mbps from 1Gbps Fiber. I've replaced the cable and it still stays down at the 100 FDX. First it was 1Gbps, then overnight it dropped down. UDM Pro WAN Port dropping to 100Mbps from 1Gbps Fiber. I've replaced the cable and it still stays down at the 100 FDX. First it was 1Gbps, then overnight it dropped down.](https://preview.redd.it/pc6lwdviqy991.jpg?width=640&crop=smart&auto=webp&s=c2b38ac49de93a81e4b9457577d270cdc9468db8)
UDM Pro WAN Port dropping to 100Mbps from 1Gbps Fiber. I've replaced the cable and it still stays down at the 100 FDX. First it was 1Gbps, then overnight it dropped down.
![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_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? - NETGEAR Support
![Troubleshooting:Fortigate SD-WAN Next-Hop /Point-To-Point Unreachable. | A L L A B O U T N E T W O R K Troubleshooting:Fortigate SD-WAN Next-Hop /Point-To-Point Unreachable. | A L L A B O U T N E T W O R K](https://layer3life.files.wordpress.com/2022/02/image-18.png)
Troubleshooting:Fortigate SD-WAN Next-Hop /Point-To-Point Unreachable. | A L L A B O U T N E T W O R K
![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)