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Date:      Tue, 16 Dec 2003 19:50:57 -0800
From:      Kevin Stevens <kevin_stevens@pursued-with.net>
To:        freebsd-net@freebsd.org
Subject:   Re: suffering from poor network performance...
Message-ID:  <38E6743A-3044-11D8-B24B-000A959CEE6A@pursued-with.net>
In-Reply-To: <DB9B6109-3030-11D8-AB9B-003065ABFD92@mac.com>
References:  <2B766ABB-3027-11D8-A624-000A95775140@battleface.com> <DB9B6109-3030-11D8-AB9B-003065ABFD92@mac.com>

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On Dec 16, 2003, at 17:32, Charles Swiger wrote:

> On Dec 16, 2003, at 7:22 PM, Alex (ander Sendzimir) wrote:
> [ ... ]
>
> First, Barney was correct: using "ping -f" will run into the ICMP 
> response limitation.  Try using "ping -i 0.01 _hostname_", instead, 
> and you may find out that you don't have a problem with packet loss at 
> all at this lower speed.

I wish I had a FreeBSD box to check this on, but from an OS X G5 to an 
Athlon WinXP box (both at 100% CPU from distribfolding client:

> babelfish:~ root# ping -f -c 10000 denizen
> PING denizen.pursued-with.net (192.168.168.1): 56 data bytes
> .
> --- denizen.pursued-with.net ping statistics ---
> 10000 packets transmitted, 10000 packets received, 0% packet loss
> round-trip min/avg/max = 0.079/0.112/1.01 ms
> babelfish:~ root#

That's through a cheap Gb switch.  Just a data point.

KeS



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