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Internet Bandwidth Test

I want to run a scheduled bandwidth test on my Nagios/Cacti box and collect the data in a graph. There is a post here about using iperf, but I cannot seem to get it to work (when I have it run a 20MB test, it says it runs 20Mbps). Can someone show me how to run a speed test from the command line firstly, then how to script the test into Cacti? Half-credit for the command-line and full for a script usable in Cacti.

Michael Best

network bandwidth test software:
http://wareseeker.com/free-network-bandwidth-test/

Kamran Arshad

Hi,

You can check out the below applications;

Iperf      dast.nlanr.net/Projects/Iperf      Open-Source
ttcp      www.pcausa.com/      Open-Source
Netperf      www.netperf.org/      Open-Source
NetQoS      www.netqos.com      Propriety
Qcheck      www.netiq.com/Qcheck/default.asp      Propriety
simplenetsoftware      simplenetsoftware.com      Propriety
Bandwidth Meter      www.bandwidth-meter.net      Propriety

Personal recommendation is IPerf which also has a live server.

datatechas

What often gives you an accurate indication of bandwidth, is to connect to a nearby ftp server and download a file. for instance (replace with nearby ftp server and file to get more accurate results)

wget ftp://anonymous:anonymous@ftp.it.debian.org/debian/ls-lR.gz

This gives you a line at the bottom like this one:

2009-08-06 00:22:15 (427 KB/s) - `ls-lR.gz' saved [5926821]

Notice the KB/s output

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drbill1

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ampranti

Contact someone to write a perl script! Use outsource ;)