Please help, router GT784WNV, new fios customer. (Xbox Live)

[jwoods4290]

hello forums, and i'm asking for your help. when i use internet, it is amazing fast. but for xbox, i can't play a game without lagging. i don't know what to do and i'm not computer savvy. so far i love this internet, but i use internet for dominatly xbox live. is there something i need to do? please let me know asap!! please! 

[XboxGuy]

sorry i didn't get your message sooner do you still need help?

make sure you have port forwarding setup correctly 

upnp should be enabled

what is your NAT? it should be open