[ovs-discuss] Installing VM on KVM hypervisor in Ubuntu 14.04 with OVS bridge

Gurucharan Shetty shettyg at nicira.com
Mon Oct 5 16:08:29 UTC 2015


On Mon, Oct 5, 2015 at 1:03 AM, Ramana Reddy <gtvrreddy at gmail.com> wrote:
> Hi all,
>
> I installed a VM in NAT mode using virt-manager and edited the xml file as
> per the
> instructions  given in this link:
>
> http://git.openvswitch.org/cgi-bin/gitweb.cgi?p=openvswitch;a=blob_plain;f=INSTALL.Libvirt;hb=HEAD
>
> Basically It tells the following modofications:
>
> And change it to something like this:
>
>  ...
>  <interface type='bridge'>
>   <mac address='52:54:00:71:b1:b6'/>
>   <source bridge='ovsbr'/>
>   <virtualport type='openvswitch'/>
>   <address type='pci' domain='0x0000' bus='0x00' slot='0x03'
> function='0x0'/>
>  </interface>
>  ...
>
> After modifications, I started VM. But its throwing the errors: Unable to
> complete install: 'Unable to add bridge br0 port vnet0: Operation not
> supported'
>

I suppose 'dpkg -l | grep libvirt' shows version number greater than 0.9.11?
Also, have you already created your bridge "br0"? i.e. do you see it
in 'ovs-vsctl show' ?

Do you also have ovs-vswitchd seen in 'ps -ef | grep ovs'



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