I am trying to get my network to work right. I have cable coming into my Linksys Cable modem. Then from there it go's into a Linksys Cable DSL router (BEFSB41 Ver.4). With my mom's Desktop, my Mac Mini, and using a crossover cable into an AirPort Express. With my Laptop connected wirelessly off of that. The thing is that when its all together it works inter network where computers can see each other but then can't get to the internet at any level. I am wondering if the router is the problem and I might need to get a switch instead. Or I might need to forward something in the router but have no idea where to start. I do plan on getting a 25 port rack mount soon to start setting up for some NAS storage. Sorry for the long read but I need some help.