On Fri, 29 Jul 2011 10:15:09 +0100 Tom Hughes <tom@xxxxxxxxxx> wrote: > On 29/07/11 10:08, Vegard Vesterheim wrote: > >> I have a server running Ubuntu natty (libvirt 0.8.8) with separate >> ethernet interfaces. I have created an unnumbered bridge for each >> interface, these are connected to an already established network >> infrastructure, with preexisting DHCP and DNS services. >> >> I would like to handle *establishment* of these bridges outside libvirt >> (via /etc/network/interfaces), but still have them defined as networks >> within libvirt. So, libvirt shall not *configure* the bridges, just be >> aware of their existence and connect each VM to its configured >> bridge. This way I can use virt-manager/libvirt to connect my virtual >> hosts to the correct network. The libvirt commands net-start, >> net-destroy would become no-ops. It seems that libvirt is geared towards >> handling all network configuration itself, but I do not need help from >> libvirt for establishing the bridges, DHCP and DNS. > > If you want to connect your VMs to existing bridges then just ignore > all the network stuff in libvirt and tell your VMs to connect to those > bridges Yes, this is exactly what I would like to do. > - virt-manager should offer the bridges as options when you > create an interface and you just select the one you want. I do not see my bridges as options in virt-manager, but when configuring a network device for a VM, I can select "Specify shared device name" and manually enter the name of an existing bridge device. It would be nice if virt-manager could present a menu of existing devices, or alternatively, that one could define a network in libvirt which simply refers to the preexisting bridge, but this is good enough for me. Thanks. - Vegard V -
