netdev - Re: MASQUERADE/SNAT and multiple interfaces with the same IP

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Message-ID: <CAKfDRXjqm-7q_2g=KZPCQj2bSU+Th_p3zjXPQvhsaxXOMK2+rw@mail.gmail.com>
Date:	Fri, 16 Aug 2013 13:23:31 +0200
From:	Kristian Evensen <kristian.evensen@...il.com>
To:	Florian Westphal <fw@...len.de>
Cc:	netfilter@...r.kernel.org, netdev@...r.kernel.org
Subject: Re: MASQUERADE/SNAT and multiple interfaces with the same IP

On Fri, Aug 16, 2013 at 1:18 PM, Florian Westphal <fw@...len.de> wrote:
>> Does this mean that even when using SNAT, the old mapping is deleted
>> and a new created?
>
> No.

Thank you very much for the help, I see now that I was a little bit
too fast and missed a detail in nf_nat_oif_changed(). If anyone ever
stumbles across the question in the future: SNAT does not set
masq_index and, thus, nf_nat_oif_changed() will always return false.

Have a nice weekend!

-Kristian
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