I use my desktop PC and laptop concurrently. When I log in through my laptop, the internet goes down for a minute.
I use Ubuntu 10.4 on my desktop and Windows 7 on my laptop. I use a Pirelli router. The desktop is connected by wire, the laptop gets wireless access.
inet addr:192.168.1.2 Bcast:192.168.1.255 Mask:255.255.255.0
IPv4 Local address : 192.168.1.3 Mask : 255.255.255.0 Gateway : 192.168.1.1