On Fri, 30 Apr 2004, Timothy J. Miller wrote: > When a system has 2 network cards that are on the same network, > how does FC1 select which NIC to use? By that I mean, Mozilla starts up, > what causes it to use one card, say eth1 over eth0? Anyone know? The routing table. Question: Why are you using two nics on the same network? You can generate some very odd network problems doing that. Routing loops can get created that will send packets around and around your network until they expire from ttl.