Strange behaviour after changing physical network

Hey everyone,

I just had a wierd error with my network tonight

I used to have my network set up with a Linksys WRT54G routerconnected to the ADSL line (IP:192.168.1.1 SM:255.255.255.192) and one of those connections running into a Linksys BEFW11S4 router in my room (IP 10.0.0.1 SM: 255.255.255.0). The WRT54G had a static IP table for each computer in the house, as well as for the second router.

I had installed the Win2K3 trial on my computer with this network setup and everything was fine and dandy. I could connect to the internet and all that jazz. I was having some troubles with my FTP connection though, so I decided to get rid of the second router, and run the cable from the WRT54G straight into my computer.

I power down everything, rearrange the cables, and power everything back up, with the ADSL modem last. All seems well, the computer is getting the static IP assigned from the router (192.168.1.2) and I'm able to ping the internet at various places. Now I try to use programs that access the internet and nothing works. Opera, Miranda, Secure Shell SSH, nothing. I can ping, but not use any internet programs. All the other computers connected using their old static IPs were just fine.

So I set the static IP to something different (192.168.1.5) and repair the connection. Suddenly everything works.

I'm somewhat puzzled as to why this is happening. Things are working now, but I'm somewhat stumped as to why the IP of 192.168.1.2 would allow me to ping, but not actually use the internet.

Any insight would be much appreciated. Thanks!