[30371] in North American Network Operators' Group
Re: recent internet packet size samples
daemon@ATHENA.MIT.EDU (jlewis@lewis.org)
Sun Jul 30 23:45:01 2000
Date: Sun, 30 Jul 2000 23:43:15 -0400 (EDT)
From: jlewis@lewis.org
To: Mark Milhollan <mlm@ftel.net>
Cc: nanog@merit.edu
In-Reply-To: <2911.964719680@ftel.net>
Message-ID: <Pine.LNX.4.10.10007302341260.6070-100000@redhat1.mmaero.com>
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII
Errors-To: owner-nanog-outgoing@merit.edu
On Thu, 27 Jul 2000, Mark Milhollan wrote:
> Bill Woodcock writes:
> >
> > > I'm interested in seeing the distribution of packet sizes across a
> > > 1500-byte-constrained measurement point, with "real internet traffic"
> > > going past (for some reasonable interpretation of that phrase).
> >
> >Protocol Total Flows Packets Bytes Packets Active(Sec) Idle(Sec)
> >-------- Flows /Sec /Flow /Pkt /Sec /Flow /Flow
> >Total: 758613841 176.6 2 1170 440.8 6.1 14.6
>
> I.e., on cisco routers with "Flow switching" enabled on all interfaces
> you want data included from, the router will give you that ...
>
> >show ip cache flow
> IP packet size distribution (1242M total packets):
> 1-32 64 96 128 160 192 224 256 288 320 352 384 416 448 480
> .001 .436 .050 .018 .012 .008 .006 .005 .004 .005 .004 .006 .004 .003 .004
>
> 512 544 576 1024 1536 2048 2560 3072 3584 4096 4608
> .003 .003 .071 .030 .318 .000 .000 .000 .000 .000 .000
These numbers may vary quite a bit depending on the nature of your "real
internet traffic".
IP packet size distribution (34510M total packets):
1-32 64 96 128 160 192 224 256 288 320 352 384 416 448 480
.003 .316 .033 .024 .021 .018 .011 .010 .013 .013 .009 .010 .006 .006 .007
512 544 576 1024 1536 2048 2560 3072 3584 4096 4608
.005 .005 .413 .017 .049 .000 .000 .000 .000 .000 .000
----------------------------------------------------------------------
Jon Lewis *jlewis@lewis.org*| I route
System Administrator | therefore you are
Atlantic Net |
_________ http://www.lewis.org/~jlewis/pgp for PGP public key_________
