probleim in tcp/ip settings in window vista

frnds..if yo have problem of tcp/ip configuration in window vista.the you can correct it manually without formatting it.

in window vista the major problem is of traffic blockage.this is the major bottleneck in window vista 

nd the other major problem is of tcp/ip performance

you can solve it by this following command 

1) just goto start

2)type cmd in search

3) type netsh int ip

4) it displays all command related tcp/ip nd you can correct it manually