Help for nat type: issue with playing online on Nintendo Switch...
Help for nat type: issue with playing online on Nintendo Switch...
Hello, all! I'm a networking newbie in need of some assistance. Please let me know if this one belongs more on the gaming subcategory. I figured it's more of an internet issue than a game issue. Here's what's happening: My Nintendo Switch cannot connect with other players online. I believe this is due to my NAT type being in the 'D' category. Here's my setup: I'm running an HP T620 Plus with OPNSense as my router (my ISP-provided by Cox is in bridge mode). I'm running that to a Ubiquiti Switch which is connected to a U6-Pro AP and a small Intel computer running Ubuntu that houses the Unifi controller software. Attached is a picture laying out my whole network setup. Other problems I've been having that might(?) be contributing: I haven't been able to properly get my OPNSense router and my Unifi setup to communicate with one another properly. Sure, my internet works fine and is pretty fast, but I can't seem to do more advanced(?) things like VLANs and such. I'm a total newbie at this stuff, so I think I'm way out of my depth here. Would anyone be able to help me diagnose my issue or contribute some ideas for solutions? Has anyone seen NAT D problems on Unifi setups before? Thanks a ton!
Cox might be employing Carrier Grade NAT on their network. Request Cox to provide a static IP address and apply it in your router configuration. You might need to reboot your networking gear for the changes to become effective. This should resolve the NAT type D issue. I’m not sure what’s behind the VLAN problem.
Verify your router's WAN IP in OPNSense and note it down. Search online for "my IP address" to see what your public IP is. Compare that with your router's WAN IP—if they match, you're not using CG-NAT; if they differ, you might be on CG-NAT and there could be an issue with OPNSense.