submodule Cisco-IOS-XR-ip-ntp-oper-sub1 {

    yang-version 1;

    belongs-to Cisco-IOS-XR-ip-ntp-oper {
        prefix Cisco-IOS-XR-ip-ntp-oper;
    }

    import ietf-inet-types {
      prefix inet;
    }
    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 ip-ntp package operational data.
     
     Copyright (c) 2013-2019 by Cisco Systems, Inc.
     All rights reserved.";

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

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

    semver:module-version "1.0.1";

    typedef Clock-update-node {
      type enumeration {
        enum "clk-never-updated" {
          value 0;
          description
            " clock is never updated";
        }
        enum "clk-updated" {
          value 1;
          description " clock is updated";
        }
        enum "clk-no-update-info" {
          value 2;
          description
            " clock has no update info";
        }
      }
      description "Mode of Clock Update";
    }

    typedef Ntp-loop-filter-state {
      type enumeration {
        enum "ntp-loop-flt-n-set" {
          value 1;
          description " never set";
        }
        enum "ntp-loop-flt-f-set" {
          value 2;
          description " drift set from file";
        }
        enum "ntp-loop-flt-spik" {
          value 3;
          description " spike";
        }
        enum "ntp-loop-flt-freq" {
          value 4;
          description
            " drift being measured";
        }
        enum "ntp-loop-flt-sync" {
          value 5;
          description
            " normal controlled loop";
        }
        enum "ntp-loop-flt-unkn" {
          value 6;
          description " unknown";
        }
      }
      description "Loop filter state";
    }

    typedef Ntp-peer-status {
      type enumeration {
        enum "ntp-ctl-pst-sel-reject" {
          value 0;
          description "   reject";
        }
        enum "ntp-ctl-pst-sel-sane" {
          value 1;
          description " x falsetick";
        }
        enum "ntp-ctl-pst-sel-correct" {
          value 2;
          description " . excess ";
        }
        enum "ntp-ctl-pst-sel-selcand" {
          value 3;
          description " - outlyer";
        }
        enum "ntp-ctl-pst-sel-sync-cand" {
          value 4;
          description " + candidate";
        }
        enum "ntp-ctl-pst-sel-distsys-peer" {
          value 5;
          description " # selected";
        }
        enum "ntp-ctl-pst-sel-sys-peer" {
          value 6;
          description " * sys peer";
        }
        enum "ntp-ctl-pst-sel-pps" {
          value 7;
          description " o pps peer";
        }
      }
      description "Type of peer status";
    }

    typedef Ntp-mode {
      type enumeration {
        enum "ntp-mode-unspec" {
          value 0;
          description
            "Unspecified probably old NTP version";
        }
        enum "ntp-mode-symetric-active" {
          value 1;
          description "Symmetric active";
        }
        enum "ntp-mode-symetric-passive" {
          value 2;
          description "Symmetric passive";
        }
        enum "ntp-mode-client" {
          value 3;
          description "Client mode";
        }
        enum "ntp-mode-server" {
          value 4;
          description "Server mode";
        }
        enum "ntp-mode-xcast-server" {
          value 5;
          description "Broadcast mode";
        }
        enum "ntp-mode-control" {
          value 6;
          description "Control mode packet";
        }
        enum "ntp-mode-private" {
          value 7;
          description
            "Implementation defined function";
        }
        enum "ntp-mode-xcast-client" {
          value 8;
          description
            "A broadcast client mode";
        }
      }
      description "Type of mode";
    }

    typedef Ntp-leap {
      type enumeration {
        enum "ntp-leap-no-warning" {
          value 0;
          description
            "Normal, no leap second warning";
        }
        enum "ntp-leap-addse-cond" {
          value 1;
          description
            "Last minute of day has 61 seconds";
        }
        enum "ntp-leap-delse-cond" {
          value 2;
          description
            "Last minute of day has 59 seconds";
        }
        enum "ntp-leap-not-in-sync" {
          value 3;
          description
            "Overload, clock is free running";
        }
      }
      description "Type of leap";
    }
  }  // submodule Cisco-IOS-XR-ip-ntp-oper-sub1