NAT 3 ON ps5 with Deco XE75

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NAT 3 ON ps5 with Deco XE75

This thread has been locked for further replies. You can start a new thread to share your ideas or ask questions.
NAT 3 ON ps5 with Deco XE75
NAT 3 ON ps5 with Deco XE75
2023-10-11 07:42:20
Tags: #nat
Model: Deco XE75  
Hardware Version: V2
Firmware Version:

Hey team,

Just purchased the XE75 trio.

Trying to play Call of Duty online and I keep getting NAT3 errors.

Apparently PlayStation network isn't fond of NAT 3 and recommends NAT 1 or 2.

I called my ISP and had a public IP enabled.

I port forwarded all the right ports.

 

I just tried online chat with TP link and they said that I can't change the NAT type on deco.

 

So I just want to clarify.. I have just purchased $800 routers and I can't change the NAT type ? 

 

Surely this is something a software update can fix ?

 

 

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Re:NAT 3 ON ps5 with Deco XE75
2023-10-12 02:53:38 - last edited 2023-10-12 03:05:14

  @Blakeproud are you saying your manually forwarding ports?

 

How do you know your using the right ports?

Have you manually forwarded ports before and had it working properly?

 

You mention public IP, does that mean your ISP uses CG-NAT?

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Re:NAT 3 ON ps5 with Deco XE75
2023-10-12 04:08:00

  @raven-au 

Thanks for the reply.

I have forwarded all the relevant PlayStation 5 ports manually yes.

 

My ISP was a dynamic IP with CGNAT yet, that's why I made the request to a public IP but to no success.

 

I have tried turning off and switching UPNP back on​

 

Power cycled NBN modem, EX75s and  playstaion.

Still showing as NAT 3

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Re:NAT 3 ON ps5 with Deco XE75
2023-10-12 05:16:21

  @Blakeproud if I was you I would start from the beginning and verify each bit is working.

 

Getting a fixed or static IP should allow you to forward ports but IMO manually forwarding the ports is not the best idea.

 

Not only that you need to use only one or the other.

If you leave UPnP enabled and manually forward the ports it usually will not work, the methods conflict with one another.

 

So first make sure your internet connection is getting assigned the static address you ISP has assigned to you using the Deco app.

That should be all you need to do to get NAT 2 because UPnP is enabled by default on the Deco.

You might need to be a bit patient and possibly reboot the Deco but it should work.

 

It will be a problem using more than one ps because the NAT on most routers is symetric only, fullcone NAT is rarely provided on routers.  

 

In reality all that the router can do for you is forward the ports and it's automatic if you use UPnP and I know UPnP works fine on the XE75.

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Re:NAT 3 ON ps5 with Deco XE75
2023-10-12 09:53:03

  @Blakeproud 

Hi, raven-au's suggestions are very helpful and besides, if the NBN internet connection type is dynamic IP, it is also suggested to connect the PS to the NBN modem directly to guarantee ISP has already changed the IP address to a public one.

Thank you very much and best regards.

 

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