[lug] Bandwidth Monitoring

[Stephen Kraus]

I've used Nagios for Bandwidth monitoring in the past

On Tue, Mar 22, 2011 at 9:32 AM, Aaron Nichols <anichols at trumped.org> wrote:

> On Tue, Mar 22, 2011 at 9:26 AM, George Sexton <georges at mhsoftware.com>
> wrote:
> > iptop is kind of what I’m looking for. The problem with it is that unless
> > you’re watching right when the spike in traffic happens, it’s no good.
> What
> > I really need is something that shows bucketed values:
> >
> > IP      30 seconds              60 Seconds              300 Seconds
> > 3600 Seconds
>
> For ongoing monitoring of traffic breakdown by port/protocol - the
> common mechanism for larger networks is netflow analysis. There are
> free collectors (capture traffic and output netflow data) for Linux
> which can listen to local traffic, then you combine a collector with
> an analysis/graphing tool to produce the type of statistics you want
> ongoing.
>
> You can see a list of free tools for this here:
> http://www.networkuptime.com/tools/netflow/
>
> If you are looking for historical data about what protocols are
> consuming how much throughput these are probably going to give you
> what you want. They can capture IP sources, etc, and you can display
> the info however you want typically.
>
> A quick look through the list and I'm already curious about this guy:
> http://sourceforge.net/projects/nfsen/
>
> Aaron
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