IETF Logo Mail Archive

Re: [v6ops] PMTUD issue discussion

Jared Mauch <jared@puck.nether.net> Thu, 04 September 2014 22:10 UTC

Return-Path: <jared@puck.nether.net>
X-Original-To: v6ops@ietfa.amsl.com
Delivered-To: v6ops@ietfa.amsl.com
Received: from localhost (ietfa.amsl.com [127.0.0.1]) by ietfa.amsl.com (Postfix) with ESMTP id 3D2C11A00A3 for <v6ops@ietfa.amsl.com>; Thu, 4 Sep 2014 15:10:05 -0700 (PDT)
X-Virus-Scanned: amavisd-new at amsl.com
X-Spam-Flag: NO
X-Spam-Score: -2.57
X-Spam-Level:
X-Spam-Status: No, score=-2.57 tagged_above=-999 required=5 tests=[BAYES_00=-1.9, RP_MATCHES_RCVD=-0.668, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001] autolearn=ham
Received: from mail.ietf.org ([4.31.198.44]) by localhost (ietfa.amsl.com [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 4CFPRW5s-xv3 for <v6ops@ietfa.amsl.com>; Thu, 4 Sep 2014 15:10:03 -0700 (PDT)
Received: from puck.nether.net (puck.nether.net [IPv6:2001:418:3f4::5]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ietfa.amsl.com (Postfix) with ESMTPS id ACCAE1A005F for <v6ops@ietf.org>; Thu, 4 Sep 2014 15:10:03 -0700 (PDT)
Received: from [172.22.208.164] ([162.210.130.4]) (authenticated bits=0) by puck.nether.net (8.14.8/8.14.5) with ESMTP id s84MA0iq001441 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NO); Thu, 4 Sep 2014 18:10:00 -0400
Mime-Version: 1.0 (Mac OS X Mail 8.0 \(1974.6\))
Content-Type: text/plain; charset="us-ascii"
From: Jared Mauch <jared@puck.nether.net>
In-Reply-To: <540626F6.1020103@scea.com>
Date: Thu, 04 Sep 2014 18:09:59 -0400
Content-Transfer-Encoding: quoted-printable
Message-Id: <28F170C9-1E44-42CB-B11A-4A7173511D22@puck.nether.net>
References: <0D370E74-688B-4EB3-A691-309A03AF20BA@cisco.com> <53FBA174.2040302@isi.edu> <53FBA6E1.90905@bogus.com> <CAPi140PMeM9omtm11+NHa2ywUfof_tE7HknKExtoEb32mm7L_w@mail.gmail.com> <71D0D5E8-80E9-430B-8ED4-16C1F99082CC@cisco.com> <54020ECC.4000000@globis.net> <CAEmG1=redpYUnv9R-uf+cJ4e+iPCf6zMHzVxeKNMGjcC=BjR+Q@mail.gmail.com> <5402C26A.8060304@globis.net> <540626F6.1020103@scea.com>
To: Tom Perrine <tperrine@scea.com>
X-Mailer: Apple Mail (2.1974.6)
X-Greylist: Sender succeeded SMTP AUTH, not delayed by milter-greylist-4.5.7 (puck.nether.net [204.42.254.5]); Thu, 04 Sep 2014 18:10:01 -0400 (EDT)
Archived-At: http://mailarchive.ietf.org/arch/msg/v6ops/hYZhACK6jUfoRCLPuTjLzLmGL-I
Cc: v6ops@ietf.org
Subject: Re: [v6ops] PMTUD issue discussion
X-BeenThere: v6ops@ietf.org
X-Mailman-Version: 2.1.15
Precedence: list
List-Id: v6ops discussion list <v6ops.ietf.org>
List-Unsubscribe: <https://www.ietf.org/mailman/options/v6ops>, <mailto:v6ops-request@ietf.org?subject=unsubscribe>
List-Archive: <http://www.ietf.org/mail-archive/web/v6ops/>
List-Post: <mailto:v6ops@ietf.org>
List-Help: <mailto:v6ops-request@ietf.org?subject=help>
List-Subscribe: <https://www.ietf.org/mailman/listinfo/v6ops>, <mailto:v6ops-request@ietf.org?subject=subscribe>
X-List-Received-Date: Thu, 04 Sep 2014 22:10:05 -0000

We configure customer links at 1500 (default), 4470 and 9000.

- Jared

> On Sep 2, 2014, at 4:22 PM, Tom Perrine <tperrine@scea.com> wrote:
> 
> What MTUs are actually (commonly) seen in the wild?
> 
> I can only think of less than a dozen that I would expect to see, assuming that the actual MTU is based solely on the underlying network technology.
> 
> Is planning and assuming that we'll see each and every possible MTU actually necessary?
> 
> I agree that we wouldn't want to artificially limit MTUs to only a few common ones, I mean look how /64s became embedded in silicon...
> 
> 
> _______________________________________________
> v6ops mailing list
> v6ops@ietf.org
> https://www.ietf.org/mailman/listinfo/v6ops

v2.23.0 | Report a Bug | By Email