trying to simulate VoIP traffic - help on -l, -n needed

To: Iperf Users <iperf-users --at-- dast.nlanr.net>
Subject: trying to simulate VoIP traffic - help on -l, -n needed
From: rsenykoff --at-- harrislogic.com
Date: Thu, 10 Feb 2005 10:47:08 -0600
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I've got iperf working great, just confused on how -l, -n, and -t work together.

I want to simulate an 80Kbps stream of 204 Byte UDP packets (ulaw transported over IAX2 protocol). Can someone please help me with the settings for this? I tried -l and -n and wasn't quite sure of what I was accomplishing. I think I was getting the packet size about right, but the rate was way off.

Currently I use the settings below on the client, but while the rate is good, the packets by default are much too large.
./iperf -c x.x.x.x -u -t 600 -p 4569 -b 80Kb

Thanks,

-Ron

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