On 09/02/2012 01:53 PM, Jagath Weerasinghe wrote: > Hi All, > > Can a VM connected as IEEE802.1Qbh be migrated to a destination host > as it were connected as IEEE802.1Qbg? What I wanted to know is, is it > possible to change the configuration from IEEE802.1Qbh to IEEE802.1Qbg > on the fly? > IIUC, you want to migrate the guest from host A, where it has a network interface connected to 802.1Qbh switch, to host B, where it should be connected to 802.1Qbg switch, right? I see three possibilities to do that, but unfortunately I cannot say if these will work. If the guest has <interface type='network'> and that network has <virtualport type='802.1Qbh'> on host A and <virtualport type='802.1Qbg'> on host B, that might be working as-is. If the guest has <virtualport type='802.1Qbh'> specified in its <interface>, you should be able to change the type using migrate hook [1] on host B. There should be one more option in case the <virtualport> is specified in the guest's <interface>. According to the docs [2], when no "type=" is specified for the <virtualport> element, this should be auto-completed on the domain startup, but that's most probably not applicable for your situation (migration). Is that what you wanted to know? Martin [1] http://libvirt.org/hooks.html#qemu_migration [2] http://libvirt.org/formatdomain.html#elementsNICSVirtual -- libvir-list mailing list libvir-list@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/libvir-list