[libvirt-users] libvirt bridge configuration

Justin Clift jclift at redhat.com
Mon Jan 31 05:18:48 UTC 2011

On 31/01/2011, at 5:52 AM, Taras Lipatov wrote:
> Hi Every one,
> I'm hoping some one can point me in the right direction.
> We are piloting KVM + Libvirt for migrating off Xen and I'm stuck with the network bridge configuration via libvirt.
> What we have currently with xen is:
> 1 server with Wan/lan interfaces and a pool of public ip addresses.
> Using xen bridge scripts I'd start a xenbr0 and attach eth0 (wan) and go ahead and assign public IP's
> to images attached to xenbr0.
> Now with creating virbr0, I need to assign it an ip address? and routing methods? what about creating a transparent bridge via libvirt?
> I kno I can achieve this using bridge utils, but it would be nice to have everything handled by libvirt.
> Any help would be appreciated.

Hi Taras,

Is this helpful at all?


I'm thinking the "Routed" mode there might be what you're looking for?

(note, the URL may change over time, as we're considering merging the info into other places, etc)

Regards and best wishes,

Justin Clift

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