Please see my responses inline, prefixed by [SL]. Ramana Reddy <gtvrre...@gmail.com> wrote:
> Hi Scott, > > I followed your blog mentioned in the url. I tried the following steps: > > Create a br0.xml file: > <network> > <name>br0</name> > <forward mode='bridge'/> > <bridge name='br0'/> > <virtualport type='openvswitch'/> > </network> > > $sudo virsh net-define br0.xml > Network br0 defined from br0.xml > > $sudo virsh net-start br0 > Network br0 started > > $sudo virsh net-list --all > Name State Autostart Persistent > ---------------------------------------------------------- > br0 active no yes > > $sudo qemu-img create -f qcow2 /var/lib/libvirt/images/VM2.img 8G > Formatting '/var/lib/libvirt/images/VM2.img', fmt=qcow2 size=8589934592 > encryption=off cluster_size=65536 lazy_refcounts=off > > $sudo virt-install --connect qemu:///system --force --name VM2 --ram=1024 > --vcpus=1 --disk path=/var/lib/libvirt/images/VM2.img,size=8,format=qcow2 > --cdrom=/home/ramanar/Downloads/ubuntu-14.04.3-server-amd64.iso --vnc > --os-variant=ubuntutrusty --network=bridge:br0,model=virtio > > Starting install... > ERROR Unable to add bridge br0 port vnet0: Operation not supported > Domain installation does not appear to have been successful. > If it was, you can restart your domain by running: > virsh --connect qemu:///system start VM2 > > $sudo ovs-vsctl show > 92d0c0b6-bbbb-4f86-aebd-ec4cc33653a3 > Bridge "br0" > Port "br0" > Interface "br0" > type: internal > Port "eth0" > Interface "eth0" > > > > Any idea why this approach is not working. [SL] If you create a libvirt network to "front end" the OVS bridge, then you would no longer use "--network=bridge:br0,model=virtio" but "--network=br0,model=virtio" (specifying the name of the libvirt network that you created). Hope this makes sense. > Some how the second method is working fine. I created a VM using NAT, and > then modified VM XML file as per instructions mentioned below: > <interface type='bridge'> > <mac address='52:54:00:71:b1:b6'/> > <source bridge='br0'/> > <virtualport type='openvswitch'/> > <address type='pci' domain='0x0000' bus='0x00' slot='0x03' function='0x0'/> > </interface> > > This is working now. I tried this one previously, and not working. May be it > messed up with some thing!! > > Thanks for all your inputs. I thought that I can go with my old setup (ubuntu > 12.04 with brcompat module with ovs 1.9.3: it was working well). > > > > > > > On Mon, Oct 5, 2015 at 9:51 PM, Scott Lowe <scott.l...@scottlowe.org> wrote: > Please see my response below. > > Ramana Reddy <gtvrre...@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 started VM with both virsh start VM and virt-manager, but both are giving > > the same error. > > > > Does any one face the same problem. Please help me in this regards. > > > > Can you share the actual XML you're using (just the network interface portion > is needed), along with the output of "ovs-vsctl show"? > > Also, I (personally) find the easiest way to work with libvirt+KVM+OVS is to > use a libvirt network wrapped around OVS, as described here: > > <http://blog.scottlowe.org/2012/11/07/using-vlans-with-ovs-and-libvirt/> > > -- > Scott _______________________________________________ discuss mailing list discuss@openvswitch.org http://openvswitch.org/mailman/listinfo/discuss
