module nvo {

    yang-version 1;

    namespace
      "urn:ietf:params:xml:ns:yang:nvo";

    prefix nvo;

    import cisco-semver {
      prefix cisco-semver;
    }
    import ietf-inet-types {
      prefix inet;
    }
    import ietf-interfaces {
      prefix if;
    }
    import ietf-routing {
      prefix rt;
    }
    import pim {
      prefix pim;
    }

    organization "Cisco Systems, Inc.";

    contact
      "Cisco Systems, Inc.
Customer Service

Postal: 170 West Tasman Drive
San Jose, CA 95134

Tel: +1 800 553-NETS

E-mail: cs-yang@cisco.com";

    description
      "This module contains a collection of YANG definitions
for Cisco VxLAN feature configuration.

Copyright (c) 2013-2014 by Cisco Systems, Inc.
All rights reserved.";

    revision "2019-07-01" {
      description
        "Establish semantic version baseline";
    }

    revision "2015-06-02" {
      description
        "Revision based on Gov Review.";
      reference
        "";

    }

    cisco-semver:module-version "1.0.0";

    typedef virtual-network-id-type {
      type uint32 {
        range "1..16777214";
      }
      description
        "Virtual Network Identifier type";
    }

    identity overlay-encap-type {
      description
        "Base identity from which identities describing different
encapsulationtypes are derived.";
    }

    identity vxlan-type {
      base overlay-encap-type;
      description
        "This identity represents vxlan encapsulation.";
    }

    identity nvgre-type {
      base overlay-encap-type;
      description
        "This identity represents nvgre encapsulation.";
    }

    container nvo-instances {
      description "vxlan instances";
      list nvo-instance {
        key "nvo-id";
        description "List of instances";
        leaf nvo-id {
          type uint16;
          description
            "Network Virtualization Overlay Instance
Identifier";
        }

        leaf overlay-encapsulation {
          type identityref {
            base overlay-encap-type;
          }
          description "Encapsulation type";
        }

        leaf source-interface {
          type if:interface-ref;
          mandatory true;
          description
            "Source interface name";
        }

        list virtual-network {
          key "vni-start vni-end";
          description
            "VNI member attributes";
          leaf vni-start {
            type virtual-network-id-type;
            mandatory true;
            description
              "Single Virtual Network Identifier
or start of range";
          }

          leaf vni-end {
            type virtual-network-id-type;
            mandatory true;
            description
              "End of Virtual Network Identifier range
(make equal to vni-start for single vni";
          }

          choice replication-mode {
            mandatory true;
            description "vxlan replication";
            container multicast {
              description
                "Mulitcast group range associated
with the VxLAN segment(s)";
              leaf multicast-group-min {
                type pim:IPv4-Multicast-Group-Address;
                description
                  "Single IPV4 Multicast group
address or start of range";
              }

              leaf multicast-group-max {
                type pim:IPv4-Multicast-Group-Address;
                description
                  "End of IPV4 Multicast group
address (leave unspecified for single value";
              }
            }  // container multicast
            list peers {
              key "peer-ip";
              description
                "List of VTEP peers";
              leaf peer-ip {
                type inet:ip-address;
                description
                  "VTEP peer IP address";
              }
            }  // list peers
            leaf bgp {
              type empty;
              description
                "Use control protocol BGP to discover
peers";
            }
          }  // choice replication-mode

          leaf routing-instance {
            type rt:routing-instance-ref;
            description "VRF Name";
          }

          leaf end-host-discovery {
            type enumeration {
              enum "flood-and-learn" {
                value 0;
                description
                  "Discover end-hosts using data plane
	      flood and learn";
              }
              enum "bgp" {
                value 1;
                description
                  "Discover end-hosts using bgp-evpn";
              }
            }
            default "flood-and-learn";
            description
              "How to peform endpoint discovery";
          }

          leaf suppress-arp {
            type empty;
            description
              "Enable ARP request suppression for this VNI";
          }
        }  // list virtual-network
      }  // list nvo-instance
    }  // container nvo-instances
  }  // module nvo