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Re: [lwip-users] Split DNS for multihomed setup


From: Simon Goldschmidt
Subject: Re: [lwip-users] Split DNS for multihomed setup
Date: Sat, 16 Aug 2014 19:55:31 +0200

Sergio R. Caprile wrote:

> This to me is the same source routing issue and you will
> face it for every application in which you need some specific
> destination associated to a specific source address/interface.

It is, but this one is an additional problem to make one application use the 
source based routing. And DNS is one of the few application level protocols 
that are shipped with core lwIP.

And no, I don't have a better idea than the suggested changes you made to 
dns.c. But is this anything like standard dns? Can you pass a nameserver to use 
to resolving functions normally? At least I have never used such functions but 
always relied on the OS to select the correct namesever.

Simon



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