[118935] in North American Network Operators' Group
Re: Speed Testing and Throughput testing
daemon@ATHENA.MIT.EDU (William F. Maton Sotomayor)
Tue Nov 3 07:20:58 2009
Date: Tue, 3 Nov 2009 07:19:51 -0500 (EST)
From: "William F. Maton Sotomayor" <wmaton@ryouko.imsb.nrc.ca>
To: Jason Biel <jason@biel-tech.com>
In-Reply-To: <b4fbab630911030405n7334c00fk5bb6c03b7bc11317@mail.gmail.com>
Cc: "nanog@nanog.org" <nanog@nanog.org>
Reply-To: wmaton@ryouko.imsb.nrc.ca
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
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On Tue, 3 Nov 2009, Jason Biel wrote:
> Please take note with using iperf that you'll want to make sure the
> appropriate TCP Window Size has been negotiated. We recently did some
> testing with systems that had decided to pick less than optimal window si=
zes
> and in turn had to manually set the size within iperf options.
Indeed this is true.
Also, if you use one of the Internet2 network test web100-enabled servers,=
=20
you can try testing through a web browser. There's both NPAD and NDT on=20
distributed on different nodes, although each has its own slightly=20
different tests. It's also not a bad set of tools for support people=20
wanting to troubleshoot bandwidth problems caused by duplex misconfigs.
>
> Jason
>
> On Tue, Nov 3, 2009 at 4:01 AM, Benoit VANNIER <benoit.vannier@apog.net>w=
rote:
>
>> Hello,
>>
>> Iperf is pretty good at this ... It s free
>>
>>
>> Ben
>>
>>
>> -----Message d'origine-----
>> De : Mark Urbach [mailto:mark.urbach@pnpt.com]
>> Envoy=E9 : lundi 2 novembre 2009 22:57
>> =C0 : nanog@nanog.org
>> Objet : Speed Testing and Throughput testing
>>
>> Anyone have a good solution to get "accurate" speed results when testing=
at
>> 10/100/1000 Ethernet speeds?
>>
>> Do you have a server/software that customer can test too?
>>
>>
>>
>> Thanks,
>> Mark Urbach
>> PinPoint Communications, Inc.
>> 100 N. 12th St Suite 500
>> Lincoln, NE 68508
>> 402-438-6211 ext 1923 Office
>> 402-660-7982 Cell
>> mark.urbach@pnpt.com
>> [cid:image003.jpg@01CA5BD5.1A5CEE20]
>>
>>
>>
>
>
> --=20
> Jason Biel
>
wfms
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