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[eazilybaked]

Hello everyone. To start off, the goal is to get my PS3 setting for Modern Warfare 3 onto an OPEN NAT. I've only had this router for a few weeks and everything has been working properly except for my PS3 Network. I can't seem to change it from strict-moderate. I've followed steps, searched throughout the forums... I've done everything in my power to change it and it hasn't worked. When I direct connect my cable through my modem is the only time I can achieve an OPEN NAT, but when I switch over to the router it's just mayhem.. I'm sure this isn't the first time people have heard this, although I've yet to find an answer to my problem. Any help is much appreciated.

[FurryNutz]

You can only get NAT 2 on PSN which is when external routers are connected. You can take a look at the DGL-4500 forum for PSN gaming. The UI is different however the data and usage is the same for DIR routers.

What HW version is your router?
What FW version is currently loaded?

What ISP Service do you have? Cable or DSL?
What ISP Modem do you have? Stand Alone or built in router?
What ISP Modem make and model do you have?
If this modem has a built in router, it's best to bridge the modem. Having 2 routers on the same line can cause connection problems.

Ensure DNS IP addresses are being filled in under Setup/Internet/Manual? You can find these under Status/Device Info/Wan section.
Turn off ALL QoS (DIR only) GameFuel (DGL only and if ON.) options.
Turn off Advanced DNS Services if you have this option under Setup/Internet/Manual.
Turn on DNS Relay under Setup/Networking.
Setup DHCP reserved IP addresses for all devices on the router.
Ensure devices are set to auto obtain an IP address.
Set Firewall settings to Endpoint Independent for TCP and UDP.

[eazilybaked]

You can only get NAT 2 on PSN which is when external routers are connected. You can take a look at the DGL-4500 forum for PSN gaming. The UI is different however the data and usage is the same for DIR routers.

What HW version is your router?
What FW version is currently loaded?

What ISP Service do you have? Cable or DSL?
What ISP Modem do you have? Stand Alone or built in router?
What ISP Modem make and model do you have?
If this modem has a built in router, it's best to bridge the modem. Having 2 routers on the same line can cause connection problems.

Ensure DNS IP addresses are being filled in under Setup/Internet/Manual? You can find these under Status/Device Info/Wan section.
Turn off ALL QoS (DIR only) GameFuel (DGL only and if ON.) options.
Turn off Advanced DNS Services if you have this option under Setup/Internet/Manual.
Turn on DNS Relay under Setup/Networking.
Setup DHCP reserved IP addresses for all devices on the router.
Ensure devices are set to auto obtain an IP address.
Set Firewall settings to Endpoint Independent for TCP and UDP.

My ISP is Cogeco Cable. Internet is Cable. Modem is stand alone. I'm going to try a few of those things you just mentioned... I went through the Playstation 3 guide, and I used all of those settings which failed to work... But I'll try a couple of those steps you mentioned and give it a go. I'll get back to you shortly.

[eazilybaked]

So I've done everything you've said there, and I still find myself with a moderate NAT setting.

[Cobra]

Give the PS3 a static IP then place that IP in the DMZ of the router.

If you do not know how: How to get an Open NAT type for PS3

[eazilybaked]

I'm telling you, I've tried all of that stuff....Everything.

[Hard Harry]

What kind of modem do you have? Whats the model number?

[FurryNutz]

What Hareware version is your router? Look at sticker under router.
What Firmware version is currently loaded? Found on routers web page under status.

What ISP Service do you have? Cable or DSL?
What ISP Modem do you have? Stand Alone or built in router?
What ISP Modem make and model do you have?
If this modem has a built in router, it's best to bridge the modem. Having 2 routers on the same line can cause connection problems.

[Hard Harry]

Dug around on Cogeco support page and found some answers incase OP didn't know:

What ISP Service do you have? Cable or DSL?
Cable, Candian, using DHCP

What ISP Modem do you have? Stand Alone or built in router?
Stand alone, atleast ISP doesn't sell any wireless gateways according to their site.

What ISP Modem make and model do you have?
**Please confirm** Default is a RCA DCM425


If this modem has a built in router, it's best to bridge the modem. Having 2 routers on the same line can cause connection problems.
Doesn't look like it incase above is incorrect.

 Also, support site says ISP doesn't block ports for gaming consoles. Some questions of my own.

1. What does the NAT type say when you do the connection test? NAT2 or 3?

2. Do other games have problems with NAT? What is your NAT while playing MW2? Battlefield? Etc

[FurryNutz]

Think his settings for PSN in the router should be reviewed. 

[Hard Harry]

Me thinks I agree :-) And if not that, certain PS3 FPS's have bugs with certain servers and UPnP. Granted most console is P2P, but NAT type is more about match making and not multiplayer, and match making is still done on a central server.

[FurryNutz]

Is the Max NAT status for PSN still 2 with a router?

[Hard Harry]

Yes, I think it bases it on port 5223 and the IP attached. If the PS3 can't see 5223, you can't connect to PSN and get a error. If it can see 5223 and see a Type A IP(IE 68.x.x.x) for the corresponding local IP, the NAT is Type1. If it sees type C (IE 192.x.x.x) for local IP but Type A for NAT IP, its Type 2. If it sees a Type C for NAT and Local IP, then usually your Double NATed (router connected to a router) and your NAT is Type3. Where it gets tricky is certain games use their own port for match making. So you can have a Type 2 NAT for port 5223 (For PSN) but a strict NAT for a certain game. Usually if you had to port forward the port to get NAT 2, UPnP is not working and you have to forward the port that the game uses. Some games though have a bug where the games UPnP program (thing that runs when your trying to find a match) doesn't work, and the port for match making is a random port created at the start of the session. IE, you cant get anything other then moderate for the port. There are some work around, and other complexity, but that's the general background.

Sorry if it was a little dry, meant it as a FYI for us troubleshooters, not the OP.