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Re: [lwip-users] forwarding and NAT

From: Sylvain Rochet
Subject: Re: [lwip-users] forwarding and NAT
Date: Thu, 5 Feb 2015 13:32:43 +0100
User-agent: Mutt/1.5.21 (2010-09-15)

Hello Marleen,

On Thu, Feb 05, 2015 at 01:20:46PM +0100, Marleen Vos wrote:
> On 4/02/2015 16:48, Sylvain Rochet wrote:
> >Hello,
> >
> >On Wed, Feb 04, 2015 at 04:19:39PM +0100, Marleen Vos wrote:
> >>
> >>Now I know NAT is out of the question, I could put my question in
> >>another way:
> >>
> >>The situation I have in mind is to use an embedded device as a
> >>router, with ethernet on one end, and serial on the other end
> >>(connected to GPRS).
> >>There can be multiple devices connecting over the ethernet link, so
> >>the forwarding would actually need to be able to work in this
> >>situation too.
> >>
> >>A connection coming in over the serial link would need port
> >>forwarding to reach the correct address behind the router. Is that
> >>possible with lwip?
> >
> >Maybe I was unclear, lwIP does not (currently) support NAT at all.
> This particular question was not about NAT, but about port forwarding.
> Is that possible with lwIP?

Port forwarding *IS* NAT.


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