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Re: [lwip-users] Sending UDP data beyond MTU size

From: Simon Goldschmidt
Subject: Re: [lwip-users] Sending UDP data beyond MTU size
Date: Fri, 4 Feb 2011 16:45:48 +0100

 "Bill Auerbach" <address@hidden> wrote:

> The other concern is being positive the receiver can handle this - if you're
> talking to another embedded device it's possible it's not supported.  Isn't
> this kind of like Jumbo Frames - you can't guarantee that the other end is
> capable of supporting it?

Hehe, that's what happens if developers ignore the RFCs. As far as I remember, 
the requirements for internet hosts makes IP reassembly mandatory while 
fragmentation is optional...
Of course, it can be disabled in lwIP, too :-)

Ore than that, IP fragmentation and reassembly works with lwIP. I haven't 
tested it for a while now, but I see no reason it shouldn't work as we haven't 
been changing anything around that code path lately.


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