submodule Cisco-IOS-XR-ipv6-nd-oper-sub1 {

    yang-version 1;

    belongs-to Cisco-IOS-XR-ipv6-nd-oper {
        prefix Cisco-IOS-XR-ipv6-nd-oper;
    }

    import ietf-inet-types {
      prefix inet;
    }
    import ietf-yang-types {
      prefix yang;
    }
    import Cisco-IOS-XR-types {
      prefix xr;
    }
    import cisco-semver {
      prefix semver;
    }

    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 submodule contains a collection of YANG definitions
     for Cisco IOS-XR ipv6-nd package operational data.
     
     Copyright (c) 2013-2019 by Cisco Systems, Inc.
     All rights reserved.";

    revision "2019-11-08" {
      description
        "Modified bag with dns server/searchlist count.";
    }

    revision "2019-04-05" {
      description
        "Establish semantic version baseline.";
    }

    revision "2019-02-18" {
      description
        "Fixing yang usability warnings.";
    }

    revision "2015-11-09" {
      description "IOS XR 6.0 revision.";
    }

    semver:module-version "1.1.0";
    semver:module-version "1.0.0";

    typedef Ipv6-nd-sh-vr-flags {
      type enumeration {
        enum "no-flags" {
          value 0;
          description "None";
        }
        enum "final-ra" {
          value 1;
          description "Final RA";
        }
      }
      description
        "IPv6 ND VR Entry Flags Type ";
    }

    typedef Ipv6-nd-sh-vr-state {
      type enumeration {
        enum "deleted" {
          value 0;
          description "Delete";
        }
        enum "standby" {
          value 1;
          description "Standby";
        }
        enum "active" {
          value 2;
          description "Active";
        }
      }
      description
        "IPv6 ND VR Entry State Type ";
    }

    typedef Ipv6-nd-bndl-state {
      type enumeration {
        enum "run" {
          value 0;
          description "Running state";
        }
        enum "error" {
          value 1;
          description "Error state";
        }
        enum "wait" {
          value 2;
          description "Wait state";
        }
      }
      description "IPv6 ND Bundle State";
    }

    typedef Ipv6-nd-neighbor-origin {
      type enumeration {
        enum "other" {
          value 0;
          description "Other Address";
        }
        enum "static" {
          value 1;
          description "Static Address";
        }
        enum "dynamic" {
          value 2;
          description "Dynamic Address";
        }
      }
      description
        "IPv6 ND Neighbor Origin Type";
    }

    typedef Ipv6-nd-media-encap {
      type enumeration {
        enum "none" {
          value 0;
          description "No encapsulation";
        }
        enum "arpa" {
          value 1;
          description "ARPA encapsulation";
        }
        enum "snap" {
          value 2;
          description "SNAP encapsulation";
        }
        enum "ieee802-1q" {
          value 3;
          description "802_1Q encapsulation";
        }
        enum "srp" {
          value 4;
          description "SRP encapsulation";
        }
        enum "srpa" {
          value 5;
          description "SRPA encapsulation";
        }
        enum "srpb" {
          value 6;
          description "SRPB encapsulation";
        }
        enum "ppp" {
          value 7;
          description "PPP encapsulation";
        }
        enum "hdlc" {
          value 8;
          description "HDLC encapsulation";
        }
        enum "chdlc" {
          value 9;
          description "CHDLC encapsulation";
        }
        enum "dot1q" {
          value 10;
          description "DOT1Q encapsulation";
        }
        enum "fr" {
          value 11;
          description "FR encapsulation";
        }
        enum "gre" {
          value 12;
          description "GRE encapsulation";
        }
      }
      description
        "IPv6 ND Media Encapsulation Type";
    }

    typedef Ipv6-nd-sh-state {
      type enumeration {
        enum "incomplete" {
          value 0;
          description "Incomplete";
        }
        enum "reachable" {
          value 1;
          description "Reachable";
        }
        enum "stale" {
          value 2;
          description "Stale";
        }
        enum "glean" {
          value 3;
          description "Glean";
        }
        enum "delay" {
          value 4;
          description "Delay";
        }
        enum "probe" {
          value 5;
          description "Probe";
        }
        enum "delete" {
          value 6;
          description "Delete";
        }
      }
      description
        "IPv6 ND Neighbor Reachability State";
    }
  }  // submodule Cisco-IOS-XR-ipv6-nd-oper-sub1