Created on 11-25-2022 11:24 PM Edited on 01-30-2024 02:52 AM By Jean-Philippe_P
Description | This article describes that the Nintendo Switch console supports NAT type A or B to play with other people online. |
Scope | FortiGate. |
Solution |
Outgoing firewall policy with SNAT enabled gives either NAT C or NAT D type, but game consoles like the Nintendo Switch require NAT type A or type B to play with other people online.
Nintendo NAT types: Type A: The Switch can communicate online without any restrictions. Type B: The Switch can communicate online with minor restrictions. Type C: The Switch can communicate online with moderate restrictions Type D: The Switch can communicate online with moderate restrictions. NAT type D can communicate only with other units which are on NAT type A. Type F: Cannot communicate with anyone online.
Solution:
Enable Preserve Source Port on the firewall policy gives NAT type B.
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