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Date:      Sat, 1 Jul 1995 10:40:44 +0300
From:      Petri Helenius <pete@sms.fi>
To:        Jim Leppek <jleppek@harris.com>
Cc:        freebsd-questions@freefall.cdrom.com
Subject:   tcpblast 
Message-ID:  <199507010740.KAA17554@silver.sms.fi>
In-Reply-To: <199506251815.OAA00556@cyclops>
References:  <199506251815.OAA00556@cyclops>

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Jim Leppek writes:
 > I was running the following:
 > 
 > tcpblast 127.0.0.1 <some blocks>
 > 
 > and got some strange results would anyone care to explain them?
 > this is on a DX4/100 16Meg, X is running with three idle xterms.
 > the system is a 2.0.5R, only the test is active, no build worlds 
 > or anything :-)
 > 
 > (the use of my hostname, localhost, or 127.0.0.1 makes no difference)
 > 
 > these tests were run in a row, I just "up arrowed" and changed
 > the number of blocks.
 > 
 > The thruput varies greatly, is this normal?

Would it be possible that because of the large MTU of the loopback-
interface you are experiencing TCP deadlock?

Pete



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