Please Help! PS3 NAT Type Failed?

Question

Hello everyone,
This seems to be a very frequent problem with PlayStation 3 systems: the "NAT type" either fails or is set to Type 3. In my case, it has never been Type 1, 2, or 3. It’s always shown as "failed." 
I’ve searched through numerous forums and websites looking for walkthroughs, guides, and tips to fix the issue, but none of the solutions I’ve tried have worked. Here’s what I’ve done so far:

Forwarded the recommended ports.  
Set the PS3’s IP address to DMZ.  
Rebooted my PS3 system completely.  
Reset my router entirely, then reforwarded the required ports and reconfigured the settings.

Despite these efforts, the NAT type issue persists. Without a proper NAT type, I’m unable to access the online features of games, although I can still use PSN HOME, browse the internet, add friends, send messages, and perform similar tasks.
If anyone has any advice or can provide further guidance, I would greatly appreciate your help. 
Cheers,
Bronson 😊

Tad Mitchell · Accepted Answer

I dont know, but try these.

Make sure your modem doesnt have a built in router.
I would reset the router to factory settings and start over… again.
Give ur ps3 a static ip. (VERY IMPORTANT so your PS3 ip address doesnt change make sure u do this before u open ports or put it in DMZ)**

Make sure UPnP is enabled through the router.
Then open the ports again.
Try your PS3 again.  If it still isnt fixed put your PS3 in DMZ and check again.

Also make sure theres no problems with the latest firmware.  One of the firmwares for mine made my router reboot several times a day.  I had to go back to an older version till they fixed it.
Use portforward.com for the list of ports you need for the playstation network and for specific games also.  This site you can select your modem and it will give you step by step directions on opening the ports in case u did something wrong… this link will take u strait to the directions specifically for your router for opening ports for PSN —> http://portforward.com/english/routers/port_forwar…
Also open these ports for "playstation first party games"  TCP 80,443,5223,10070-10080   UDP 3478,3479,3658,10070
Theres also some really good helpful people on the D-Link forums so make sure you ask there if you havent already.
Sorry i couldnt help more.  If you get it fixed say how on here cause im curious as to why your having this problem.
Try to look in these topics for a fix also.
http://boardsus.playstation.com/t5/PlayStation-Net…
http://boardsus.playstation.com/t5/PlayStation-Net…

Anonymous · Answer

Nat Type Failed

Anonymous · Answer

Dmz is separate to port forwarding. If in dmz then all ports are forwarded.That configuration should always work.I suggest trying his ps3 at someone elses house.Then u can say if ps3 or network.

Anonymous · Answer

It may be your router. I’ve had the same problem with my old router, i constantly get NAT 2 even with DMZ and port forwarding, which lags alot for online shooters. I bought a new router thinking the problem is with my old one. On my new router, My NAT is always OPEN when on DMZ.

Anonymous · Answer

Try enabling PNP

Milan Mayer

Please Help! PS3 NAT Type Failed?

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