[154573] in North American Network Operators' Group

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Re: job screening question

daemon@ATHENA.MIT.EDU (Owen DeLong)
Thu Jul 5 22:31:42 2012

From: Owen DeLong <owen@delong.com>
In-Reply-To: <34255.1341537452@turing-police.cc.vt.edu>
Date: Thu, 5 Jul 2012 19:30:04 -0700
To: valdis.kletnieks@vt.edu
Cc: "nanog@nanog.org" <nanog@nanog.org>
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org


On Jul 5, 2012, at 6:17 PM, valdis.kletnieks@vt.edu wrote:

> On Thu, 05 Jul 2012 15:05:01 -0600, Derek Andrew said:
>> Isn't MTU discovery on IP and not TCP?
>=20
> AIX actually supported PMTUD for UDP.  Not sure if it still does.  =
Yes, it was
> bizarro even for AIX.  No, I'm not aware of any actual UDP =
applications that
> were able to do anything useful with this info. ;)
>=20

Think IPSEC NAT Traversal over UDP and/or Teredo.

(Yes, Teredo is ugly and should be banned from any legitimate network, =
but...)

Owen



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