Speed Testing and Throughput testing
William F. Maton Sotomayor
wmaton at ryouko.imsb.nrc.ca
Tue Nov 3 12:19:51 UTC 2009
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 sizes
> 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,
you can try testing through a web browser. There's both NPAD and NDT on
distributed on different nodes, although each has its own slightly
different tests. It's also not a bad set of tools for support people
wanting to troubleshoot bandwidth problems caused by duplex misconfigs.
> On Tue, Nov 3, 2009 at 4:01 AM, Benoit VANNIER <benoit.vannier at apog.net>wrote:
>> Iperf is pretty good at this ... It s free
>> -----Message d'origine-----
>> De : Mark Urbach [mailto:mark.urbach at pnpt.com]
>> Envoyé : lundi 2 novembre 2009 22:57
>> À : nanog at 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?
>> 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 at pnpt.com
>> [cid:image003.jpg at 01CA5BD5.1A5CEE20]
> Jason Biel
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