Open source solution to measure bandwidth

Lafflin
Lafflin used Ask the Experts™
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I would like to use something such as Iperf to regularly test bandwidth/throughput (other measures are a bonus) from point to point. Points being windows hosts unless someone knows how to do this from Cisco 3560/70's switches using IP SLA. I do not use Cisco routers.

The catch is that I would like to log either via SNMP or syslog the results. I don't see any way  to using Iperf.
 Any  ideas?
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Andrew Hancock (VMware vExpert / EE Fellow)VMware and Virtualization Consultant
Fellow 2018
Expert of the Year 2017

Commented:

Commented:
If you have a linux machine use Nagios.  http://www.nagios.org/

But it will take alot of personalization as will PRTG. PRTG also is not open source, but it is free on a limited amount of resources.
Paessler isn't open source. They do provide a "free" version with significant limitations though. I use their commercial version and it rocks.

A good open source solution would be to use Cacti
http://www.cacti.net

Author

Commented:
This would be perfect were it free. I would need about 25 monitors, and I'm trying to remain on the free side.

Author

Commented:
I think I am liking cacti so far, I do appreciate all of your input though.
Andrew Hancock (VMware vExpert / EE Fellow)VMware and Virtualization Consultant
Fellow 2018
Expert of the Year 2017

Commented:
im sure prtg used to be opensource and free, we have a free version, thats not branded paessler!?
A long time ago, it was branded differently, or owned differently, but it has since changed brands.
Andrew Hancock (VMware vExpert / EE Fellow)VMware and Virtualization Consultant
Fellow 2018
Expert of the Year 2017

Commented:
thats the version we still use for bandwidth! thanks for clearing that up best make an archive on dvd!
Commented:
Hi Lafflin, my opinion is, the tool you use depends on how thorough and detailed you need your measurements. If just with checking graphs visually is enough for you, cacti is great. It can also provide you with alerts. The most common deployment for this kind of use, i would say, is a joint one with nagios.
If you need deeper data, my recomendation is the use of netflow. But this involves higher complexity.
As you also seem interested in logging, I recommend you take a look at splunk, wich is kind of a data collector, with great graphing (and more) capabilities.

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Commented:
Thanks to everyone who weighed in.

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