[29297] in North American Network Operators' Group

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Re: MAE-EAST Moving? from Tysons corner to reston VA.

daemon@ATHENA.MIT.EDU (John Fraizer)
Fri Jun 16 11:15:15 2000

Date: Fri, 16 Jun 2000 11:10:55 -0400 (EDT)
From: John Fraizer <nanog@EnterZone.Net>
To: michael.dillon@gtsip.net
Cc: nanog@merit.edu
In-Reply-To: <20000616144550.1171.cpmta@c000.lhr.cp.net>
Message-ID: <Pine.LNX.3.96.1000616110901.28765A-100000@Overkill.EnterZone.Net>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Errors-To: owner-nanog-outgoing@merit.edu



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
> 



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