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Date:      Wed, 12 Oct 2005 17:37:55 +0400
From:      "Andrew P." <infofarmer@gmail.com>
To:        Olaf Greve <o.greve@axis.nl>
Cc:        freebsd-questions@freebsd.org
Subject:   Re: How to properly set-up multiple NICs?
Message-ID:  <cb5206420510120637g61924cb5n831cdcee55618946@mail.gmail.com>
In-Reply-To: <434D02AF.9@axis.nl>
References:  <20051012104241.GA34129@dogma.freebsd-uk.eu.org> <cb5206420510120358y74caae44l3062248ae9a14b47@mail.gmail.com> <434D02AF.9@axis.nl>

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On 10/12/05, Olaf Greve <o.greve@axis.nl> wrote:
> Hi,
>
> I have a short and surely straightforward question: I want to set-up two
> NICs on two of my FBSD 5.x servers. Each server will have a dedicated
> NIC for all "outside world" traffic, and between the two machines I want
> to set-up a 192.168.1.x local network via a cross-wire cable, dedicated
> to local syncing of both machines.
>
> I am assuming the proper way to do this is to simply (using sysinstall)
> configure one NIC with the real live IP address, gateway, mask setting
> etc., hooked up to the outside world, and the other one with a
> 192.168.1.x IP address, directly connected to the other machine's
> similarly (though with a different IP address, of course) configured
> 192.168.1.y IP address over a cross-wire.
>
> Correct, or am I missing something?
>
> Also: when not using sysinstall: is /etc/rc.conf the only location where
> such settings need to be made, or are there other files as well that
> need to be manipulated for multiple NICs?
>
> Note: Normally I would simply test this myself and make it work, but
> tomorrow I'll have to add my new second server to the production
> environment and my current live machine is one of the two machines that
> need to be reconfigured. As I'll have preciously little time allocated
> for the installation, I want to get as much anticipated in advance as
> possible...
>
> Cheers, and tnx for any and all replies!
> Olafo
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>

I don't think you've missed anything. In /etc/rc.conf
you can add something like:
ifconfig_rl0=3D"inet 192.168.17.1 netmask 0xffffff00"
ifconfig_lo0_alias0=3D"inet 172.17.0.1 netmask 0xffffffff"
ifconfig_vge0=3D"dhcp"
...to give you the general idea. It's enough to bring
the NICs up and running, but then consider DNS
and other issues that provide for a networking
environment.


Good luck,
Andrew P.



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