i wud like to know sumthing i have a speedstream router thru wich i have conected 3 pcs via cable basically my pc 1 and 2 other i share widmy neighbours now one of them is using 2pcs via installing an additonal lancard in frist pc so m geting low speed is there nay way i can stop that or i can know wen they are using 2 pcs at a time??