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 Vif-plugging with Open vSwitch Plugin

The choice of vif-plugging for the Open vSwitch plugin depends on what version of libvirt you are using, as well as whether you are using Nova security filtering (i.e., security groups, provider firewall, VM spoofing prevention).

  • When using libvirt (any version) with Nova security filtering: libvirt_vif_driver=nova.virt.libvirt.vif.LibvirtHybirdOVSBridgeDriver

  • When using libvirt (version < 0.9.11) without Nova security filtering: libvirt_vif_driver=nova.virt.libvirt.vif.LibvirtOpenVswitchDriver

  • When using libvirt (version >= 0.9.11) without Nova security groups: libvirt_vif_driver=nova.virt.libvirt.vif.LibvirtOpenVswitchVirtualPortDriver

[Note]Checking your libvirt version

To check your libvirt version, use libvirtd --version.



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