OpenVSwitch L2 Agent

This Agent uses the OpenVSwitch virtual switch to create L2 connectivity for instances, along with bridges created in conjunction with OpenStack Nova for filtering.

ovs-neutron-agent can be configured to use two different networking technologies to create tenant isolation, either GRE tunnels or VLAN tags.

VLAN Tags

Further Reading

• Darragh O’Reilly - The Open vSwitch plugin with VLANs