If you use eth0:0 alias, you only need one NIC
Don ....
davidu wrote:
>
> > I've got a question here. What if any are the advantages of using two
> > NIC's On the firewall we run here (FreeBSD) we are only using a single NIC
> > for both directions. To the network and to the Net. (and we run video
> > conferencing video so traffic is heavy) As I see it adding a second NIC
> > only serves to add latency to the net access. Unless your traffic volume
> > exceeds 10 or 100 mbs in any one direction (depending on your net speed)
> > the card even in half duplex mode should be more than able to handle the
> > traffic. I've asked this question before in other groups and no one could
> > give me an answer that held water. Thanks hope this isn't off topic if it
> > is please ignore and I apologize.
> >
> > James
> >
> Wow...I am not sure if I get your question right, but let me try to
> understand.
>
> You have a firewall, all machines go through, but that machine goes out to
> the net through the same hub as all internal network traffic? That is
> nuts. What that does it spam your packets upstream so anyone can sniff
> them...exactly what you don't want.
>
> The most common set up is:
>
> ---INTERNET---==Firewall(with eth1 and eth0)==---Internal Network
>
> eth0 would only talk to the internet, and eth1 only the internal network.
>
> -davidu
