[CentOS] Switch to measure traffic at IP level?

> I took a look and I think it requires software running on
> each guest to report the data back to the centralized
> system.  Is that correct?

Yes

> If so, I am looking for a solution that does not require
> any software on the guest machines.

Oh well, it is not for you then.  But it is a pretty sweet system for
monitoring your boxes - easy to write your own plugins so the only
limit is your imagination.


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