Re: Dual WAN set-up

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On Thu, 2012-01-12 at 17:48 -0500, Dimitri Yioulos wrote:
> > > Now, I need to add a second WAN (provided by a second
> > > provider). I need it to serve specific boxes in the DMZ, both
> > > inbound and outbound.  Currently, all boxes in the DMZ are
> > > served by the single WAN connection.  I'm not sure what other
> > > information I need to provide you, but I'm hoping you all can
> > > help with very specific instructions or a very detailed
> > > how-to
> >
> > If you check the list archives there's been a few discussions
> > on this recently (search for load balancing).
> >
> > One way of doing it is marking each connection and balancing
> > those, as described in this excellent web page:
> >
> > http://www.sysresccd.org/Sysresccd-Networking-EN-Iptables-and-n
> >etfilter-load-balancing-using-connmark
> >
> 
> Thank, Andy.  I'll give it a read.  I'm not sure I'm after load 
> balancing, though, but rather dedicating one WAN to a specific 
> set of machines, if that's even possible.

Ah, sorry, you did say that, I just misread your email (and original
diagram of course!)

>   Also, I've seen 
> how-to's on the NET, but all assume that you're starting fresh, 
> and adding two WAN connections.  I already have one in place, and 
> working fine.

Well that should be pretty easy to be honest. What Lloyd wrote looks
pretty spot-on, and is the way that I would approach this problem.

Andy


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