Router & Modem make/model: NetGear WNDR3400v2 N600 Wireless Dual Band Router
Wired or wireless: wired
Multiple consoles on the same network (Yes/No): no
NAT is strick. Console has ben put on static IP, in the DMZ, and all xbox ports forwarded to the static IP. Was able to host parties on XBOX 360 and had an open NAT on it.
Also, my friend's NAT is open so according to the chart, we should be able to hear each other.