View the most recent changes for the iperf port at: iperf.darwinports.com/diff
Scroll down toward the bottom of the page to get installation instructions for iperf.
The raw portfile for iperf 2.0.4 is located here:
http://iperf.darwinports.com/dports/net/iperf/Portfile
Find related portfiles with the unique DarwinPorts.com search feature.
Check for any related Fink projects here: pdb.finkproject.org/pdb/package.php/iperf

The iperf Portfile 41592 2008-11-06 19:59:44Z pmq macports.org $

PortSystem 1.0

Name: iperf
Version: 2.0.4
Category: net
Platform: darwin
Maintainers: pmq

Description: A tool to measure maximum TCP and UDP bandwidth
Long Description: Iperf is a tool for measuring maximum TCP and UDP bandwidth, reminiscent of ttcp and nettest. It has been written to overcome the shortcomings of those aging tools. Iperf can also test UDP bandwidth, loss, and jitter.

Homepage: http://iperf.sourceforge.net
Master Sites: sourceforge
Checksums: md5 8c5bc14cc2ea55f18f22afe3c23e3dcb

If you haven't already installed Darwin Ports, you can find easy instructions for doing so at the main Darwin Ports page.
Once Darwin Ports has been installed, in a terminal window and while online, type the following and hit return:

%  cd /opt/local/bin/portslocation/dports/iperf
%  sudo port install iperf  
Password: 

You will then be prompted for your root password, which you should enter. You may have to wait for a few minutes while the software is retrieved from the network and installed for you. Y ou should see something that looks similar to:

--->  Fetching iperf
--->  Verifying checksum for iperf
--->  Extracting iperf
--->  Configuring iperf
--->  Building iperf with target all

--->  Staging iperf into destroot

--->  Installing iperf

- Make sure that you do not close the terminal window while Darwin Ports is working. Once the software has been installed, you can find further information about using iperf with these commands:

%  man iperf
%  apropos iperf
%  which iperf
%  locate iperf

 Where to find more information: