Re: Macvtap devices?

[Dongli Zhang]

I suggest you figure out the diff between different devices by reading some
online docs, e.g., the below doc.

https://developers.redhat.com/blog/2018/10/22/introduction-to-linux-interfaces-for-virtual-networking

Here is how I setup a software-only environment to play with macvtap device.

https://github.com/finallyjustice/sample/blob/master/kvm/macvtap.txt

Dongli Zhang

On 9/2/22 4:17 PM, X Tec wrote:
> I have used the -netdev tap,[...] options before, though almost exclusively 
> for bridged networking.
> 
> I understand this setup uses tap (or tun/tap?) virtual devices for the 
> virtual machines.
> 
> But, what are "macvtap" devices really?
> I saw the term while reading some libvirt docs for comparison purposes; they 
> particularly seem to favor these devices...
> But even after internet searching I was not able to understand them.
> 
> So, if someone could help,
> What are they, or what's their difference with "normal" tap devices commonly 
> used in QEMU?
> Are macvtap devices supported in QEMU? How can one use them?
> 
> Thanks beforehand.
>