Shoutbox

Big problem with my Xbox Live...

So this is how I have Xbox Live. Xbox 360 connected to my PC via ethernet cable. The computer is wirelessly connected to my router and allows Xbox to connect to Live via my pc as the bridge if you will. My broadband is supplied by Virgin Media.

Now I started a new job and took my own laptop. Used an ethernet able to connect to the router (from BT) to go online but it wouldn't recognise. Kept coming up with a little caution sign on the Network and Sharing Center, which after running dianogstics tells me to contact my ISP. So I call BT.

Man on the phone, tells me to fuck around with my IPv6 and IPv4 settings and eventually it worked. I told him about my Xbox Live set up and asked him if that'll fuck it up, his answer was "erm.. well lets just take this problem one at a time". Anyway, I got online at work. All was great.

Now I've got home, Live won't work. I called BT but because I have Virgin at home they refuse to help.

I have two problems and questions:

1. Can I sort Xbox Live?
2. Can I have it configured so I can just plug in and go online through the ethernet both at home and work?

Most important obviously, is Live. So you know, I know NOTHING of IPv6 and IPv4 so please be easy with me.

Help? Lol

Thanks, Inferno