Poweredge 1550 problem - RH Fedora Linux, single network card assigned to multiple IP's/interfaces, other card not working.

Hello,

After installing RH Fedora core 1, I experienced a problem with the network cards in a Poweredge 1550. I searched for a solution here but did not find one.

I configured eth0 as 192.168.10.10, subnet 255.255.255.0. When I rebooted I was able to connect using the built-in NIC card on the right side of the rear frame.

Then I configured eth1 as 192.168.10.20 ,subnet 255.255.255.0, and I brought up both eth0 and eth1 at boot time.

Now the NIC card on the right side of the rear frame does not work, but the NIC card next to it does work. The problem is that with one network cable plugged into the one NIC card that works you can reach both 192.168.10.10, and 192.168.10.20.

Has anyone experienced this? Or is there a solution to this problem?

Thanks.