hi, I am pretty knew at computers so I need simple instructions, but I have comcast cable internet and am trying to get xbox live at the same time by using a wired switch-Dynex 5 port. I have done this before by paying for an additional IP address and it was fine. This time it won't work and I was told by tech support that my switch is A/B. Not true but thay couldnt help me any more. I called Dynex tech support and they said I had to set my computer up as a server auto switch. This is all over my head and have no clue how to do that. Can anyone help me?