We've got some machine (or machines) sucking up a lot of bandwidth on
our network. I'm trying to pin down exactly what, but not having much
luck so far.
The network's got about a dozen machines, behind a firewall. What I'd
like to see is a high-level view of the whole network's bandwidth usage
over the span of, say, 24 hours. I.e., which machines are using the
most bandwidth (i.e., in Gb), and connections to which external sites
are causing most of the hogging.
Clearly, micro-level tools like iftop aren't going to cut it here, as
they only show me a) what's using bandwidth right now, and b) an
individual machine basis.
I tried running darkstat on each machine in the network, but it didn't
really give me what I was looking for. Again, the reporting was
per-machine, and so didn't provide a comprehensive view. (Among other
problems.)
Bandwidthd looks like it might have some promise, but would take some
time to set up to give me a comprehensive view. (I.e., configure a
pgsql database.)
Anyone have any particular recommendations for a situation like this?
Thanks,
DR
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