Re: Is PCI passthrough definitely needed for Ntopng Edge on KVM?

Hi Luca,

Thanks for getting back!

My knowledge of some of this is a little lacking, so forgive me if this is
naive.

However - what if you created a dedicated bridge interface in KVM, attach a
single physical Ethernet interface to that bridge, and only assign that
bridge to the ntopng Edge VM?

(I'm sorry, I didn't understand what you meant by bump in the wire).

Thanks!
Victor

On Mon, 19 Nov 2018 at 07:03 Luca Deri <[email protected]> wrote:

> Victor
> the problem is that when using virtual adapters you in essence use a
> switch and thus we cannot implement the bump in the wire as the collision
> domain will prevent it from working, So yes, you need PCIe passthrough
>
> Regards Luca
>
> On 18 Nov 2018, at 20:33, Victor Hooi <[email protected]> wrote:
>
> Hi,
>
> Does Ntopng edge always need PCI passthrough on network cards?
>
> I'm thinking of setting up a Proxmox 5.2 system, running ntopng Edge in a
> KVM virtual-machine.
>
> The physical machine has four on-board Ethernet ports, so I was going to
> pass through two of these to act inline.
>
> However, I see that
> https://www.ntop.org/guides/nedge/get_started.html#running-into-a-vm mentions
> that you must enable PCI passthrough.
>
> Is this for performance reasons? Or there's some other reasons for it?
>
> Thanks,
> Victor
>
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