netdev - Re: Adding SNAT support to LVS/NAT

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Message-Id: <200809161104.07239.j.stubbs@linkthink.co.jp>
Date:	Tue, 16 Sep 2008 11:04:06 +0900
From:	Jason Stubbs <j.stubbs@...kthink.co.jp>
To:	Joseph Mack NA3T <jmack@...d.net>
Cc:	Simon Horman <horms@...ge.net.au>,
	Julius Volz <juliusv@...gle.com>, lvs-devel@...r.kernel.org,
	netdev@...r.kernel.org,
	Siim Põder <siim@...rad-teel.net>
Subject: Re: Adding SNAT support to LVS/NAT

On Tuesday 16 September 2008 10:54:04 Joseph Mack NA3T wrote:
> On Tue, 16 Sep 2008, Jason Stubbs wrote:
> 
> > For what it's worth, I'm currently using DNAT alongside LVS-NAT
> > for certain connections. It only serves a secondary purpose and
> > there are other ways (although not as simple) to achieve the
> > purpose, but it has proven useful.
> 
> I'm having a bit of trouble fitting DNAT into the OUTPUT of 
> a director (at least on the OUTPUT of the inside nic). What 
> are you doing this for?

Hmm.. with LVS-NAT happening in OUTPUT, it may not be possible - or at
least not useful. I'm using DNAT before LVS-NAT to redirect the VIP to
a different internal IP for certain source addresses. If LVS-NAT
happens before DNAT, DNAT could only be used with RIPs which I can't
imagine to be useful at all...

-- 
Jason Stubbs <j.stubbs@...kthink.co.jp>
LINKTHINK INC.
東京都渋谷区桜ヶ丘町22-14 N.E.S S棟 3F
TEL 03-5728-4772  FAX 03-5728-4773
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