Ok, I found out what the problem was, here is what I did to fix:
1) Reset the switches. I guess the arp tables needed to be refreshed. 
2) There was a DHCP server configuration error. I was able set a static
IP on my client computer and then log in to the web site and reconfigure
the DHCP server.

Thanks all for the prompt responses!

On Wed, 2007-02-07 at 14:00 -0500, chip33az@aim.com wrote:
> I'm not too familiar with IPCOP, but I'm trying to help a friend set
> it up.  I installed it on an old laptop to see how it works.
> 
> >From the IPCOP to the swtich would be a standard Ethernet cable.  The
> computer to the switch would also be a standard Ethernet.
> 
> After you configured DHCP, did you reboot the IPCOP server?
> 
>  
>  
> -----Original Message-----
> From: ssjgolleta@anima-web.us
> To: plug-discuss@lists.plug.phoenix.az.us
> Sent: Wed, 7 Feb 2007 11:22 AM
> Subject: IPCOP
> 
> Anyone here has any experience with IPCOP? 
> 
> I'm trying to set up a firewall using IPCOP and 3 network cards. I'm
> testing the firewall at the moment from inside the network so its
> plugged to a network switch instead of the modem (for the moment). 
> 
> After configuring the firewall here is my set up:
> Green(eth0)-192.168.0.1 with dhcp server installed
> Orange(eth1) - 192.168.1.1 
> Red(eth2) - 10.0.0.1
> 
> I have Red plugged in to my network switch, Green to a small switch, and
> Orange to another switch. So far, when I log into the server itself I
> can ping google.com fine. When I plug a computer to the switch on the
> green, I can't see the server or even get an IP. Do I need to have
> anything special like a crossover cable or anything?
> 
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