module common-mpls-types {

    yang-version 1;

    namespace
      "urn:ietf:params:xml:ns:yang:common-mpls-types";

    prefix mpls-types;

    import cisco-semver {
      prefix cisco-semver;
    }

    organization
      "Cisco Systems
170 West Tasman Drive
San Jose, CA 95134-1706
USA";

    contact
      "Robert Sawaya - rsawaya@cisco.com,
Vasanth Sabavat - vsabavat@cisco.com";

    description
      "This module contains a collection of generally useful YANG types
that are specific to MPLS that can be usefully shared
between multiple models.

Terms and Acronyms

MPLS: Multi Protocol Label Switching";

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

    revision "2015-05-28" {
      description "Initial revision";
      reference
        "";

    }

    cisco-semver:module-version "1.0.0";

    typedef ietf-mpls-label {
      type union {
        type uint32 {
          range "16 .. 1048575";
        }
        type enumeration {
          enum "v4-explicit-null" {
            value 0;
            description
              "IETF MPLS IPv4 explicit null Label (0)";
          }
          enum "v6-explicit-null" {
            value 2;
            description
              "IETF MPLS IPv6 explicit null label (2)";
          }
          enum "implicit-null" {
            value 3;
            description
              "IETF MPLS implicit null label (3)";
          }
        }
      }
      description
        "Temporary type until IETF definition";
    }
  }  // module common-mpls-types