Re: redundant office of redundancy
You might find this recent System Administrators article very interesting..
It's titled "Redundant Internet Connections Using Linux"
----- Original Message -----
From: "David Bishop" <email@example.com>
Sent: Wednesday, March 06, 2002 10:40 PM
Subject: redundant office of redundancy
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> Howdy! As you can tell from my subject line, I am interested today in
> sure that I can always surf por^W^Wserve webpages. My business
> small-time webhosting) is dependent on my always having an internet
> connection. Currently, I have a fairly stable dsl line that serves my
> but some stupid redback issues on my isp's side have made me wary. I
> the chances of both a dsl line and cable going out at the same time are
> fairly small, and throwing $50 a month at the problem is acceptable. Now,
> I'm planning on doing this, it begs the question(s): 1) how to aggregate
> bandwidth of both pipes into one, transparently (I will be using two
> computers as well, might as well do it right); 2) how do you go about
> up "failover", such that if one of the machines drops out, the other takes
> over dns/mail/web?
> I know some of you out there are about to exclaim "Get your isp to do
> idiot!" Well, I'm large enough to seriously look at this, but small
> (and geeky enough) that I'd really like to take care of it myself. I have
> decent background in setting up linux as a firewall/proxy/nat box, and a
> basic understanding of "real" routing. Pointers, hints, tips, all are
> welcomed gratefully.
> To sum up: currently, my setup is 2 machines hot to the 'net, the rest
> off, all using 1 dsl and a block of ips, all nat routing through 1 of the
> machines. I would like to end up with dual-connections, bandwidth
> through both the machines, and failover for high-priority services.
> - --
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