[29301] in North American Network Operators' Group
RE: MAE-EAST Moving? from Tysons corner to reston VA.
daemon@ATHENA.MIT.EDU (Dmitri Krioukov)
Fri Jun 16 14:18:59 2000
From: "Dmitri Krioukov" <dima@dimension.net>
To: "John Fraizer" <nanog@EnterZone.Net>, <michael.dillon@gtsip.net>
Cc: <nanog@merit.edu>
Date: Fri, 16 Jun 2000 14:29:42 -0400
Message-ID: <NCBBIKACLKNMKDHKKKNFGEIFELAA.dima@dimension.net>
MIME-Version: 1.0
Content-Type: text/plain;
charset="us-ascii"
Content-Transfer-Encoding: 7bit
In-Reply-To: <Pine.LNX.3.96.1000616110901.28765A-100000@Overkill.EnterZone.Net>
Errors-To: owner-nanog-outgoing@merit.edu
the theoretical maximum (guaranteeing the same ber
via crc-32) is 12k. 9k is a trade-off between
this maximum and maximums of some applications
(like nfs -- 8k).
one of the first major jumbo frame pushers was
alteon.
--
dima.
> -----Original Message-----
> From: owner-nanog@merit.edu [mailto:owner-nanog@merit.edu]On Behalf Of
> John Fraizer
> Sent: Friday, June 16, 2000 11:11 AM
> To: michael.dillon@gtsip.net
> Cc: nanog@merit.edu
> Subject: Re: MAE-EAST Moving? from Tysons corner to reston VA.
>
>
>
>
> If I'm not mistaken, 9000bytes is the max.
>
> >From acenic.c (By D.Becker of course)
>
> * To enable jumbo frames, simply specify an mtu between 1500 and 9000
> * bytes to ifconfig. Jumbo frames can be enabled or disabled at any time
> * by running `ifconfig eth<X> mtu <MTU>' with <X> being the Ethernet
> * interface number and <MTU> being the MTU value.
>
> ---
> John Fraizer
> EnterZone, Inc
>
>
> On 16 Jun 2000 michael.dillon@gtsip.net wrote:
>
> >
> > On Fri, 16 June 2000, "Richard A. Steenbergen" wrote:
> >
> > >In a
> > > public exchange point where you're talking to multiple
> networks across a
> > > shared media it makes sense to do GigE, multiple GigE, 10GigE, etc,
> >
> > What is the largest MTU that you can use across a GigE fabric?
> >
> >
> > ---
> > Michael Dillon Phone: +44 (20) 7769 8489
> > Mobile: +44 (79) 7099 2658
> > Director of Product Engineering, GTS IP Services
> > 151 Shaftesbury Ave.
> > London WC2H 8AL
> > UK
> >
>
>
>
