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Date:      Sun, 09 Oct 2011 11:10:07 -0500
From:      Jorge Biquez <jbiquez@intranet.com.mx>
To:        freebsd-questions@freebsd.org
Subject:   Re: two networks in one server?
Message-ID:  <3401021471-106896244@intranet.com.mx>
In-Reply-To: <4E9187AC.6000006@infracaninophile.co.uk>
References:  <CANNwXraKe6mQuhJic6F=XOJt3SsBfhM9Ft9dNzE98OLCWXgV2Q@mail.gmail.com> <4E9187AC.6000006@infracaninophile.co.uk>

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Hello all.

Another solution I have seen some clients use... a router that 
accepts different ISP's in this case ADSL. The equipment does the job 
and integrates all the internet services so the internal network see 
them as only one). I guess there are equipments of 24-8 and 16 connections.

I hope this helps.

At 06:38 a.m. 09/10/2011, Matthew Seaman wrote:
>On 09/10/2011 10:36, pepe wrote:
> > I'm just asking before trying if it possible to use two network uplinks in
> > one server so other would be just backup way in?
> > I have currently connection from two ISPs and server is up with one
> > connection. Is it possible to add another nic and wire that to connection
> > from another isp? So isp 1 would be in normal use in/out, but isp 
> 2 could be
> > used connecting in?
>
>This is a very commonly asked question around the Internet.
>
>The answer is -- it's a lot harder to do properly than you might think.
>  Requires understanding Internet routing protocols like BGP and you will
>need the cooperation of both ISPs to make it all work.
>
>However there is a "light" version which might work for you.  Keywords
>here are "policy based routing."  In this case you can use firewall
>software to forward packets by an alternate gateway.  This only affects
>the outward path from your system: no good at all if all the incoming
>traffic is using an uplink that fails, but you can use it to load
>balance across multiple links.
>
>         Cheers,
>
>         Matthew
>
>--
>Dr Matthew J Seaman MA, D.Phil.                   7 Priory Courtyard
>                                                   Flat 3
>PGP: http://www.infracaninophile.co.uk/pgpkey     Ramsgate
>JID: matthew@infracaninophile.co.uk               Kent, CT11 9PW
>
>




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