On Thu, 09 Aug 2018 21:17:46 -0000 anurag.porripireddi(a)bigswitch.com wrote: VLAN tagging on external providers is working according to the OpenStack Networking API via "physical networks" with ovirt-provider-ovn and planned for ovirt-4.2.7 with neutron on top of ovn, see https://ovirt.org/develop/release-management/features/network/provider-ph... for details. This is not yet supported, because this requires the not supported "Open vSwitch" switchtype, which is does not provider all features of the "Linux Bridge" switchtype.