[Scorpio]

Mat @ Half duplex, the reason your gaming may work is because of the size of the packets being transmitted, when running half duplex, cabling is not an issue anything cat 5 or above i.e cat 5e or high band cat 6 will be able to transmit 100mbit through it, and most of us will be using patch leads or long network cables most definately cat5 or above, so the 10 mbit and 100mbit isnt an issue, its the half and full duplex issue, if your getting duplex missmatch, ie 1 end send and receiving and the other can only recieve or send at any one time, thats when collisions happen and the packets are dropped. Hence the poor P2P results as you upstream and downstream are getting battered as well as many different TCP / UDP ports being operating at the time.

The routers at the core site when NTL place them wont be the problem, as all there doing is routing the subnets, the DHCP servers at each core site lease you the IP and other relavent DNS and domain details. The problem wasnt around when we had the Pace Boxes, and ive had confirmation from NTL that it is a Duplux Issue.

Scorpz