NAT Checker

    Nintendo Switch NAT Guides

    Easy
    Estimated time: 5-10 min

    Overview

    Nintendo Switch displays NAT type as A, B, C, D, or F. Type A is the most open, while F means connectivity issues.

    Step-by-Step Guide

    1Access System Settings

    From the HOME Menu, select System Settings > Internet > Test Connection.

    2Run Connection Test

    After the test, your NAT type will be displayed along with connection speed.

    3Improve NAT Type

    Enable UPnP on your router or forward Nintendo ports.

    4Use Wired Connection

    For docked mode, consider using a USB ethernet adapter for better stability.

    Pro Tips

    • Nintendo online ports: UDP 1-65535.
    • Disable MAC address filtering on your router.
    • Try changing your DNS to 8.8.8.8 and 8.8.4.4.

    Troubleshooting

    Still not working?

    If you have NAT Type D or F, check if your ISP provides a public IP address.