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Re: Bandwidth measuring tool

From: Andreas John <lists(at)aj.net-lab.net>
Date: Sat Oct 13 2007 - 12:41:51 EDT

Hello,
I think your question is twofold:

Generate Traffic Have a look at the kernel module "pktgen". It creates UDP only IIRC, but the kernel has to do forwarding decisions per packet, so it's a quite good way to test a machine. You can saturate a GBit Link with that tool, as it works "below the stack"
Measure Traffic Well, many tools and ways exist. Examples

cmdline tools:

iptraf
bwm

collecting daemons

snmpd
sysstat (?)

GUIs/Frontends:

Cacti
OpenNMS
MRTG
RRD Tool

And, as Wojciech already posted, there a measurement tools like iperf. 'apt-cache search traffic' will shoe you lots of options. Personally I would go for a "snmpd + Cacti + pktgen"-solution and probe traffic + resource usages.

Keep in mind that "Traffic != Traffic". Usually it's more important to check how much packers per second you machine can handle.

rgds,
Andreas

Bernhard Krieger schrieb:
> Hi,
>
> does anyone know a bandwidth measuring/test tool?
>
> I have to produce more than 150Mbit.
>
> bye
> bernhard
>
>

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Received on Sat Oct 13 12:57:34 2007

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