Hi, I am trying to set up a firewall with three ethernet interfaces E1, E2 and E3. E1 is the lan network with public IP addresses and connected to a hub H1. E2 is the DMZ(server network) connected to another hub H2. E3 is again the lan network but with private IP addresses( I intent to masquerade this n/w) but connected to the hub H1 as with E1. It seems to work with two different interfaces connected to the same hub but I don't know if this has any bad effects, either performance or security wise. Please suggest. Thanks in advance, Prakash. - : send the line "unsubscribe linux-net" in the body of a message to majordomo@vger.kernel.org