28.10.2016 23:32, Michal Privoznik пишет:
On my host node i using system created bridge. example
brctl show br1
bridge name bridge id STP enabled interfaces
br1 8000.0025907925d3 no eth1
vnet0
vnet2
vnet3
vnetN - guest net adapter, It added to bridge at guest's node started.
bridge defined as
==
<network>
<name>internal</name>
<forward mode="bridge"/>
<bridge name="br1"/>
</network>
==
But in guest config xml vnet[0-3] nod defined
===
<interface type='network'>
<mac address='52:54:00:b3:b0:47'/>
<source network='internal'/>
<model type='virtio'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x03'
function='0x0'/>
</interface>
===
>> Can i assign static vnet* device for some guests?
> What do you mean?
> vnet* devices are created by libvirt when a domain is being started (or
> on device hotplug). In general, unless all devices would be statically
> allocated, it would be impossible to guarantee certain vnet name.
>
> However, what you can do is to create the device yourself and then just
> tell libvirt to use it:
>
> <interface type='bridge'>
> <source bridge='vnetX'/>
> </interface>
>
> But most likely, the problem you are trying to solve looks for a
> different solution. If you need the device name in order to set up some
> environment (e.g. apply some FW rules on the device), we have network
> hooks and domain hooks - user defined scripts that are run by libvirt on
> various events (e.g. domain startup, device hotplug, etc.). You should
> consider those.
>
> Michal
>
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