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Re: Redhat6.1 and DR via the director itself.

To: Stephen Zander <gibreel@xxxxxxxxx>
Subject: Re: Redhat6.1 and DR via the director itself.
Cc: catls <catls@xxxxxxxxx>, lvs-users@xxxxxxxxxxxxxxxxxxxxxx
From: Lars Marowsky-Bree <lmb@xxxxxxx>
Date: Thu, 11 May 2000 16:03:10 -0700
On 2000-05-11T15:32:14,
   Stephen Zander <gibreel@xxxxxxxxx> said:

>     Lars> The new fw-mark stuff should bypass this problem too, no?
> I don't see how.  The problem is the director's handling of packets
> from the realserver that have source addresses the director thinks it
> owns.  That doesn't go away just because you're performing finer grade
> load-balancing on incoming packets (packets travelling outside source
> -> director -> realserver).

It does.

Because with the fw-mark stuff, the load balancer doesn't have to have that
interface any more.

> Remember, this issue only ever occurs when doing IP-DR with the
> director as a gateway for the realserver.

Thanks for re-explaining this to me. I haven't been watching this project for
too long and also don't have a clue about networking nor Linux, so I must have
missed that.

> Whether you should just suffer through the additional overhead of NAT in
> such a situation is left as an exercise for the reader. :)

You may not wish to use NAT for different reasons.

Sincerely,
    Lars Marowsky-Brée <lmb@xxxxxxx>
    Development HA

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