[c-nsp] Cisco IOS as traffic generator ?

kostas anagnopoulos kostas.anagnopoulos at oteglobe.net
Wed Feb 15 09:01:30 EST 2006


tcp window size was set to max  (~1GB)

Kostas

-----Original Message-----
From: Mark Rogaski [mailto:wendigo at pobox.com]
Sent: Wednesday, February 15, 2006 3:53 PM
To: kostas anagnopoulos
Cc: cisco-nsp at puck.nether.net
Subject: Re: [c-nsp] Cisco IOS as traffic generator ?


An entity claiming to be kostas anagnopoulos
(kostas.anagnopoulos at oteglobe.net) wrote: : Not sure if ttcp when running on
a cisco router is able to fill up an STM1 : pipe. : For example, a
7200-NPE400 was able to generate only ~30Mbps before : the CPU hits 70% :
I think the limiting factor is going to be the TCP window size.  But the CPU
utilization is one reason that ttcp should not be used on a production
router.
Mark
--  []                       |     "I'd like a large order of FiboNachos."
[] Mark Rogaski          |     "Okay sir, that'll cost as much as a small []
wendigo at pobox.com     |     order and a medium order combined." []
mrogaski at cpan.org     |     -- Unknown []                       |



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