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Re: [internet-drafts@ietf.org: New Version Notification for draft-jones-6man-historic-rfc2675-00.txt]

Brian E Carpenter <brian.e.carpenter@gmail.com> Tue, 21 May 2019 20:47 UTC

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Subject: Re: [internet-drafts@ietf.org: New Version Notification for draft-jones-6man-historic-rfc2675-00.txt]
To: Nick Hilliard <nick@foobar.org>, Gyan Mishra <hayabusagsm@gmail.com>
Cc: "ipv6@ietf.org" <ipv6@ietf.org>
References: <20190508125743.GA19360@tom-desk.erg.abdn.ac.uk> <19A018DE-280E-4400-95AC-7A3697ABE4B8@employees.org> <20190509062922.GA39281@profitmargin> <8e9b7085-78a7-4ad6-2e1b-73dcb1e0a15e@gmail.com> <6e3652d0-fed3-a672-16ad-ef3194dc13ed@dougbarton.us> <7280D1E3-8D42-48D7-8B99-F1D659123BD4@jisc.ac.uk> <BC60C287-2447-4007-8334-7AB569D88343@gmail.com> <192d82ab-57b0-dd20-4cb4-e198d31576a0@foobar.org>
From: Brian E Carpenter <brian.e.carpenter@gmail.com>
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Date: Wed, 22 May 2019 08:47:17 +1200
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On 22-May-19 00:31, Nick Hilliard wrote:
> Gyan Mishra wrote on 20/05/2019 23:41:
>> now in the mpls core I have deployed many networks to date bumping from 
>> 9216 to 65535 for future super jumbo for customers and host OS and NIC 
>> to eventually have enough memory bump mtu close to 65535 subtracting out 
>> mpls and misc overhead bytes.
> 
> Not much networking kit supports MTU > 11k.

Jumbograms were specifically designed on that assumption, hence the restriction to interfaces capable of supporting >64K MTUs and the entirely optional nature of the whole thing.

Again, I don't see any reason to change the content or status of the RFC.

    Brian

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