module Cisco-IOS-XR-tunnel-l2tun-oper {

    yang-version 1;

    namespace
      "http://cisco.com/ns/yang/Cisco-IOS-XR-tunnel-l2tun-oper";

    prefix tunnel-l2tun-oper;

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

    include Cisco-IOS-XR-tunnel-l2tun-oper-sub1 {
      revision-date "2019-04-05";
    }

    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 IOS-XR tunnel-l2tun package operational data.
     
     This module contains definitions
     for the following management objects:
       l2tp: L2TP operational data
       l2tpv2: L2TPv2 operational data
     
     Copyright (c) 2013-2019 by Cisco Systems, Inc.
     All rights reserved.";

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

    revision "2018-11-01" {
      description
        "Added Yang support show l2tpv2 internal.";
    }

    revision "2017-09-07" {
      description
        "Fixed type translation error.";
    }

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

    semver:module-version "1.0.1";

    grouping CONTROL {
      description
        "Common node of counters, counters";
      container control {
        description
          "L2TP control messages counters";
        container tunnel-xr {
          description
            "L2TP control tunnel messages counters";
          container authentication {
            description
              "Tunnel authentication counters";
            uses L2TP-AUTHEN-STATS-DATA;
          }  // container authentication

          container global {
            description "Tunnel counters";
            uses L2TP-CTRL-MSG-STATS-GLOBAL-DATA;
          }  // container global
        }  // container tunnel-xr

        container tunnels {
          description
            "Table of tunnel IDs of control message counters";
          list tunnel {
            key "tunnel-id";
            description
              "L2TP tunnel control message counters";
            leaf tunnel-id {
              type uint32;
              description "L2TP tunnel ID";
            }

            uses L2TP-CTRL-MSG-STATS-DATA;
          }  // list tunnel
        }  // container tunnels
      }  // container control
    }  // grouping CONTROL

    grouping SESSION-TABLE {
      description
        "Common node of node, node";
      container sessions {
        description "List of session IDs";
        list session {
          key "local-tunnel-id local-session-id";
          description
            "L2TP information for a particular session";
          leaf local-tunnel-id {
            type uint32;
            description "Local tunnel ID";
          }

          leaf local-session-id {
            type uint32;
            description "Local session ID";
          }

          uses L2TP-SESSION-INFO;
        }  // list session
      }  // container sessions
    }  // grouping SESSION-TABLE

    grouping SESSION {
      description
        "Common node of node, node";
      container session {
        description
          "L2TP control messages counters";
        container unavailable {
          description
            "L2TP session unavailable  information";
          uses L2TP-SESSION-ID-HOLD-DB-DATA;
        }  // container unavailable
      }  // container session
    }  // grouping SESSION

    grouping TUNNEL-CONFIGURATION-TABLE {
      description
        "Common node of node, node";
      container tunnel-configurations {
        description "List of tunnel IDs";
        list tunnel-configuration {
          key "local-tunnel-id";
          description
            "L2TP tunnel information";
          leaf local-tunnel-id {
            type uint32;
            description "Local tunnel ID";
          }

          uses L2TP-CC-CFG-DATA;
        }  // list tunnel-configuration
      }  // container tunnel-configurations
    }  // grouping TUNNEL-CONFIGURATION-TABLE

    grouping TUNNEL-TABLE {
      description
        "Common node of node, node";
      container tunnels {
        description "List of tunnel IDs";
        list tunnel {
          key "local-tunnel-id";
          description
            "L2TP tunnel  information";
          leaf local-tunnel-id {
            type uint32;
            description "Local tunnel ID";
          }

          uses L2TP-CC-INFO;
        }  // list tunnel
      }  // container tunnels
    }  // grouping TUNNEL-TABLE

    grouping INTERNAL {
      description
        "Common node of node, node";
      container internal {
        description
          "L2TP v2/v3 internal information";
        uses L2TP-INTERNAL-STATS-BAG-DATA;
      }  // container internal
    }  // grouping INTERNAL

    grouping COUNTER-HIST-FAIL {
      description
        "Common node of node, node";
      container counter-hist-fail {
        description
          "Failure events leading to disconnection";
        uses L2TP-HIST-FAIL-STATS-BAG-DATA;
      }  // container counter-hist-fail
    }  // grouping COUNTER-HIST-FAIL

    grouping CLASS-TABLE {
      description
        "Common node of node, node";
      container classes {
        description
          "List of L2TP class names";
        list class {
          key "class-name";
          description "L2TP class name";
          leaf class-name {
            type xr:Cisco-ios-xr-string {
              length "1..31";
            }
            description "L2TP class name";
          }

          uses L2TP-CC-CLASS-DATA;
        }  // list class
      }  // container classes
    }  // grouping CLASS-TABLE

    container l2tp {
      config false;
      description "L2TP operational data";
      container nodes {
        description
          "List of nodes for which subscriber data is
         collected";
        list node {
          key "node-name";
          description
            "Subscriber data for a particular node";
          container counters {
            description
              "L2TP control messages counters";
            uses CONTROL;
          }  // container counters

          leaf node-name {
            type xr:Node-id;
            description "Node name";
          }

          uses TUNNEL-CONFIGURATION-TABLE;

          uses COUNTER-HIST-FAIL;

          uses CLASS-TABLE;

          uses TUNNEL-TABLE;

          uses SESSION-TABLE;

          uses SESSION;

          uses INTERNAL;
        }  // list node
      }  // container nodes
    }  // container l2tp

    container l2tpv2 {
      config false;
      description "L2TPv2 operational data";
      container nodes {
        description
          "List of nodes for which subscriber data is
         collected";
        list node {
          key "node-name";
          description
            "Subscriber data for a particular node";
          container counters {
            description
              "L2TP control messages counters";
            container forwarding {
              description
                "L2TP forwarding messages counters";
              container sessions {
                description
                  "List of class and session IDs";
                list session {
                  key "tunnel-id session-id";
                  description
                    "L2TP information for a particular session";
                  leaf tunnel-id {
                    type uint32;
                    description
                      "Local tunnel ID";
                  }

                  leaf session-id {
                    type uint32;
                    description
                      "Local session ID";
                  }

                  uses L2TP-SESS-FWD-STATS;
                }  // list session
              }  // container sessions
            }  // container forwarding

            uses CONTROL;
          }  // container counters

          container statistics {
            description
              "L2TP v2 statistics information";
            uses L2TPV2-STATS-DATA;
          }  // container statistics

          container tunnel {
            description "L2TPv2 tunnel ";
            container accounting {
              description
                "Tunnel accounting counters";
              container statistics {
                description
                  "Tunnel accounting statistics";
                uses L2TPV2-CC-ACCT-STATS-DATA;
              }  // container statistics
            }  // container accounting
          }  // container tunnel

          leaf node-name {
            type xr:Node-id;
            description "Node name";
          }

          uses TUNNEL-CONFIGURATION-TABLE;

          uses COUNTER-HIST-FAIL;

          uses CLASS-TABLE;

          uses TUNNEL-TABLE;

          uses SESSION-TABLE;

          uses SESSION;

          uses INTERNAL;
        }  // list node
      }  // container nodes
    }  // container l2tpv2
  }  // module Cisco-IOS-XR-tunnel-l2tun-oper