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An overlay tunnel interface is created with type 'tunnel' and particular 'tunnel-interface-type'. Tunnel interfaces are created on a particular DPN with a pair of (local, remote) IP addresses. Currently supported tunnel interface types are VxLAN, GRE and MPLSoverGRE. overlay tunnel interfaces are based on tunnel interafces provided by OVS. Some of these interfaces are not yet available with standard OVS versions. However, there are OVS patches available add specific tunnel interface implementation in OVS. Following are tunnel types for which specific patches are available -
1. VxLAN GPE interafce - following link provides information on how to add VxLAN GPE patch to OVS -
URL: /restconf/config/ietf-interfaces:interfaces
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