How to change my NAT status to Open?

Here are some details in case you need to know:
-I use the wireless mac Airport Extreme
-Comcast is my internet provider
- I use wireless for my iphone, macbook and xbox
It is set to moderate I think? So I need to know how to set it to open because my xbox live has low connection now when I play. As opposed to my old router which was open already.

Looks like someone's having issues with MW3.

You have 2 options.

Reset the router.
Log into your router setting and adjust your port forwarding.

If you don't know what port forwarding is, there are countless websites to direct you.

If your play on your xbox and your nat is stricted you xbox tell you how to make it open

Firstly, power cycle both your router and your modem. To do this, unplug both devices for 30 seconds before plugging it back it.

Make sure UPnP is enabled, if it is a feature of your router. If it is not, then open the XBOX live ports (UDP 88 UDP/TCP 3074) and ports 80 (for HTTP) and 53 (for DNS).

You can also try port forwarding and port triggering for each port (88 and 3074).

Power cycle your XBOX.

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