Vinzor - The reason for that is that MAC addresses are supposed to be unique. When the same MAC address appears a second time, it drops the old, probably assuming it's an interrupted connection or something.
Why not just change the router settings?
16/08/2007
I'm currently located in a place, which, according to my presence, may or may not contain traces of Kiah. This may be subject to changes within the next few months. See your pharmacist for more detail