Skip site navigation (1)Skip section navigation (2)
Date:      Mon, 04 Oct 2004 19:46:55 +0200
From:      "Devon H. O'Dell" <dodell@sitetronics.com>
To:        Claudiu Dragalina-Paraipan <dr.clau@rdslink.ro>
Cc:        freebsd-hackers@freebsd.org
Subject:   Re: 2 inet connections
Message-ID:  <41618C8F.6090703@sitetronics.com>
In-Reply-To: <41618AC7.1040808@rdslink.ro>
References:  <41618AC7.1040808@rdslink.ro>

next in thread | previous in thread | raw e-mail | index | archive | help
Claudiu Dragalina-Paraipan wrote:
> Hi,
> 
> I have this situation: 2 inet connection at 2 different ISP, one with 
> 2Mbps and one with 128kbps; and a big NATed network behind it, and a 
> small group of real addresses.
> I want to do this: use the first connection as "primary" connection, and 
> if this fails, go to the second connection, as a backup.
> The problem is that none of the ISP will help me in any way, so I have 
> to find a solution by my own.
> 
> I am trying to avoid the making of a software that watches the 
> connections and "declare" a line dead when no TCP connection can be 
> made, thus switching to the secondary/backup line.
> I realize that there is no way of using the group of real addresses on 
> the backup line, since they are not routed, but this is not of such 
> importance. I need only to provide Internet connection for the NATed 
> network.
> 
> So... can someone provide me with some good practical advice for this 
> situation ?
> 
> NOTE:
> I want to use FreeBSD for this, so FreeBSD specific advices are welcome. 
> In fact I don't even think of other solution.
> 
> I realize that this is not a very common situation, and I hope I have 
> explained it sufficiently clear.
> 
> Thank you very much.
> 
> Best regards,

You might want to look at various patches for FreeBSD multipath routing 
that are available via the mailing lists. They're pretty easy to find 
with a search for FreeBSD Multimath routing via google.

--Devon



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?41618C8F.6090703>