What Country/State/Province do you live in? Kentucky, USA
Modem brand & model number: Speedstream 4200
Router brand & model number: Netgear N600 WNDR3400
Network Connection Type: Wireless/Wired Wireless
If Wireless, what type of encryption are you using? WPA2-PSK[AES] (No idea what that means)
Things you have tried: Portforwarding, DMZ, using old router as a gateway and connecting to it since it used to work. Was on phone with Netgear for nearly an hour and they couldn't fix it. Contacted ISP and they gave me a link to portforwarding the modem, which didn't work at all.
Is UPnP Enabled? Yes/no/Unknown Yes
Is NAT Type Open? No
Any Error Codes you encounter:
What type of internet do you have? Cable/DSL/T1/3G? DSL
Who is your ISP(Internet Service Provider)? Windstream
When you run "Test Xbox LIVE connection" what is the exact message shown on screen? "You can connect to Xbox LIVE, but your current network configuration may limit your online experience."
I've talked to several of my friends as well, none of them could fix it, although they all tried and even gave me the settings they were using to try.