netdev - Re: UDP path MTU discovery

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Message-ID: <20100330220450.GA14304@laped.iglesias.mooo.com>
Date:	Wed, 31 Mar 2010 00:04:51 +0200
From:	"Edgar E. Iglesias" <edgar.iglesias@...il.com>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	"Templin, Fred L" <Fred.L.Templin@...ing.com>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Rick Jones <rick.jones2@...com>, Glen Turner <gdt@....id.au>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
Subject: Re: UDP path MTU discovery

On Tue, Mar 30, 2010 at 04:12:37PM +0200, Andi Kleen wrote:
> > Where does the application controllable per socket MTU come into the
> > picture?
> 
> To set the minimum path MTU so that there is a guarantee that IPv6 routers
> (which are unable to fragment themselves) will never drop it.

Not sure I agree with that kind of solution but thats probably
because of missunderstandings on my side :)

Thanks for explaning.
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