----- "Les Mikesell" <lesmikesell@xxxxxxxxx> escreveu:
> Neil Aggarwal wrote:
> > Matt:
> >
> >> why not just use your current cacti setup and
> >> enable snmp on each of the hosts? That seems like
> >> the simplest and cheapest approach.
> >
> > As I understand it, I would actually have to
> > enable snmp on each of the guests, not the hosts.
> >
> > Am I wrong?
> >
>
> Yes - the host would see the total traffic. The only other way to
> separate it would be something upstream (switch/router, etc.) that knows how to do
> sflow plus a collector device. These are typically pretty expensive. For
> some small number of guests it might be cheaper to add NICs to your hosts and
> bridge the guests to individual NICs where you could monitor on either the host
> interface or the connected switch port. You might be able to simulate this with
> some clever use of vlans but I'm not sure how they interact with the
> virtual nic bridges.
Hum... I haven't tried it myself but maybe it is possible to try on the virtual NICs.
The only drawback is that the need to create a way to link the data from the vifs to
the corret guest :)
Antonio.
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