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Date:      Thu, 12 Jul 2012 14:00:03 -0700
From:      Doug Barton <dougb@FreeBSD.org>
To:        George Neville-Neil <gnn@freebsd.org>
Cc:        Navdeep Parhar <np@FreeBSD.org>, net@freebsd.org
Subject:   Re: Interface MTU question...
Message-ID:  <4FFF3AD3.50703@FreeBSD.org>
In-Reply-To: <4C0DD966-6B60-4ADF-8476-D3C0CB3FC1C3@freebsd.org>
References:  <86liiqrnnq.wl%gnn@neville-neil.com> <4FFDF6C7.3030301@FreeBSD.org> <C06D346A-97BE-4498-B4E5-0ED85731A8BD@freebsd.org> <4FFF1742.9010906@FreeBSD.org> <4C0DD966-6B60-4ADF-8476-D3C0CB3FC1C3@freebsd.org>

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On 07/12/2012 01:50 PM, George Neville-Neil wrote:
> 
> On Jul 12, 2012, at 14:28 , Doug Barton wrote:
> 
>> While y'all are looking at MTU (which is an increasingly important topic
>> as we move into a Gig+ world) I'm wondering what our support is for
>> https://tools.ietf.org/html/rfc4821 ?? I asked this a while back and
>> never got an answer.
>>
>> This method of PMTUD is really important given the massive (stupid)
>> brokenness of people routinely blocking all of ICMPv4.
> 
> We do not support that RFC and support in other OSs is quite limited.
> It does not seem to be have been taken up by the Internet community
> in general.
> 
> That being said, it is an interesting mechanism.  Probably not a bad idea
> for a wish list item.

Thanks for the response.

Doug



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