On 03/06/2016 03:21 PM, Lars Kellogg-Stedman wrote:
I was hoping that I could delegate creation of bridge devices to
libvirt for address-less bridges, in order to not have to deal with
the various ways distributions handle persistent network
configuration, but while this creates a libvirt network...
<network>
<name>provision</name>
<forward mode='bridge'/>
<bridge name='brprov'/>
</network>
...it doesn't actually create the bridge. Configuring the bridge
using either <forward mode="route"/> or <forward mode="nat"/> *will*
create the bridge device, but both of these require assigning an
address to the bridge which means I have to suddenly worry about
IPAM and conflicts with local networks.
Remove the <forward mode='bridge'/> line from your config above and it
should do what you want - libvirt will create the bridge, but won't
assign any IP address to it (nor will it attach it to any physical device).
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