netflow in FreeBSD

m69

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Hi all. I want to use Netflow in FreeBSD. Who can help me? How I can use it in FreeBSD?
Thanks.
 

ecazamir

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I like net-mgmt/ipcad for netflow export. For reports, Adventnet Netflow Analyzer is a good tool, but the last time I checked it didn't run on FreeBSD.
 
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SirDice

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Netflow works fine. Ecazamir just said that "Adventnet Netflow Analyzer" doesn't run on FreeBSD. But besides that there are plenty of working Netflow tools.

But I have to ask, do you even know what Netflow is or does?
 
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m69

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I just know that Netflow can tell us about the traffic of the network, but really I don't know how it works on FreeBSD. I understand that I should install different ports but after that what I should do?
 

SirDice

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I'd suggest finding out how Netflow works in general. Once you figure that out it should be relatively easy to find what to install.
 

RusDyr

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I usually recommend ng_netflow + flow-tools. I use it on regular basis in ISP's environment.
 

throAU

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SirDice said:
I'd suggest finding out how Netflow works in general. Once you figure that out it should be relatively easy to find what to install.
To elaborate on this:

Usng "netflow" requires:

- netflow export from your network device(s) - e.g. on Cisco IOS "ip flow-export destination x.x.x.x yyyy"
- a netflow collector daemon/application to stick the exported flow info into a database
- an analysis tool to report on the netflow information collected.

What bits are you trying to do on FreeBSD?
 
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