[ovs-discuss] How to associate Ovs port to a port-group

[Mani Devarajan]

Hello Scott,
  Thanks for you quick response. Currently I decided to implement the
option 2.
  But it would be ideal to have the option 1 working. So i did follow your
blog to use the port-group and vlans(
http://blog.scottlowe.org/2012/11/07/using-vlans-with-ovs-and-libvirt/).
But when i defined the vm again some
how the port-group config was ignored. Can you confirm the format is
correct. Please correct if my definition is wrong.

 <interface type='bridge'>
      <mac address='52:54:00:54:95:e6'/>
      <source bridge='L1' portgroup='port-group1'/>
      <virtualport type='openvswitch'>
        <parameters interfaceid='4b8d291b-d6e5-4226-887c-4a8ae9188205'/>
      </virtualport>
      <target dev='vnet6'/>
      <model type='rtl8139'/>
      <alias name='net2'/>
      <address type='pci' domain='0x0000' bus='0x00' slot='0x04'
function='0x0'/>
    </interface>

Thanks,
Mani

On Wed, Dec 3, 2014 at 9:56 AM, Scott Lowe <scott.lowe at scottlowe.org> wrote:

> Please see my response below.
>
>
> On Dec 3, 2014, at 9:54 AM, Mani Devarajan <manidevarajan at gmail.com>
> wrote:
>
> > Hello all,
> > I am using virt-install to spawn a virtual machine and attached to ovs
> network created through "virsh network" command. virt-install(0.9.5) doesnt
> support port-group option for network. Is there ovs-vsctl command which
> will help in adding the ovs port to a port-group. I did check
> ovs-vswitchd.conf, but i couldnt find any relevant information.
> >
> > Appreciate your response.
>
>
> OVS doesn't understand port groups; those are a libvirt construct that
> serve to apply a group of settings to an OVS port. There are a couple of
> ways to handle your situation:
>
> 1. Modify the libvirt XML definition to include the portgroup assignment
> after the VM is created.
>
> 2. Use ovs-vsctl to apply the settings (VLAN tags, etc.) manually to the
> VM port after it is created.
>
> I hope this helps!
>
> --
> Scott
>
>
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