[libvirt-users] OVS / KVM / libvirt / MTU

[Michal Privoznik]

On 7/29/19 9:23 PM, Sven Vogel wrote:
> Hi Michal,
> 
> Thanks for your answer.
> 
> I don’t understand why an interface created without mtu gets only 1500 visible in the virtual machine but if I create an interface with mtu higher than 1500 e.g. 2000 the bridge will change too. Before the bridge was e.g. by 9000.
> I ask because you wrote if I don’t set an mtu of the interface I will get the mtu of the bridge. But it seems so.
> 
> Can you clarify it a little better for me?

I don't know enough about OVS internals to answer that, sorry. Maybe we 
should ask OVS developers why OVS bridge behaves this way.

Michal