【Nintendo Switch: General】How to Confirm NAT Type
Follow the steps below to check your NAT type on the Nintendo Switch.
[Steps]
1.Launch your Nintendo Switch.
2.From the HOME Menu, select the System Settings icon.
3.Scroll down and select Internet, then choose Test Connection.
4.The test results displays [Success], you can confirm the NAT type.
You can also check your NAT type Here.
(You will be redirected to the relevant section of the official Nintendo Switch website.)