Re: [gentoo-user] Double network cards

[Marco Calviani]

Hi all,
  thanks for replying. Actually the network with the fixed IP would be
used only for accessing the machine from the internet (that would be
its only use), since the other address is masked behind closed
network.

regards,
marco

On 6/11/07, Hans-Werner Hilse <hilse@×××.de> wrote:
> Hi,
>
> On Mon, 11 Jun 2007 16:19:58 +0200 "Marco Calviani"
> <marco.calviani@×××××.com> wrote:
>
> >    i would like some technical advice concerning the possibility of
> > mounting two network devices on the same desktop computer. One network
> > card (which is binded to a fixed IP) allows me to allow the machine to
> > be visible on the public network, while the second one (faster, the
> > one i've installed now) is used to work. Would it be possible to
> > install both of them, with the first one used only for accessing the
> > machine from an external site?
>
> From hardware and driver side of the problem: Yes, of course. The other
> question, and you really didn't clarify on this, is whether your
> intended routing setup would work with such a configuration. But since
> Linux is extremely configurable in that regard, you probably can
> archive sensible results. Just specify a bit more information, like the
> networks (address/netmask) coming into play here.
>
> If both of your NICs are routing to the internet and you're offering
> services to the internet, the answer packets from those services will
> always take the route w/ lowest metric by default. You'd have to mark
> the packets e.g. w/ iptables on a user or application basis in order to
> influence routing so that outgoing "service traffic" takes another way
> than outgoing "other traffic". But don't hesitate to tell more about
> your intended setup, it'll get probably easier to help you then.
>
> -hwh
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>
>
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