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. > Devices making a connection from the ethernet side, have to be > forwarded to the serial side. Will this forwarding work for multiple > devices without (stateful)NAT? I would think not, but I'm not sure > on this. I don't follow you, there is no such concept of "connection" for IP forwarding because this is working on the IP level. Are you confusing IP forwarding and NAT ? Sylvain
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