module Cisco-IOS-XE-nat-oper {

    yang-version 1;

    namespace
      "http://cisco.com/ns/yang/Cisco-IOS-XE-nat-oper";

    prefix nat-ios-xe-oper;

    import ietf-inet-types {
      prefix inet;
    }
    import cisco-semver {
      prefix cisco-semver;
    }

    organization "Cisco Systems, Inc.";

    contact
      "Cisco Systems, Inc.
     Customer Service

     Postal: 170 W Tasman Drive
     San Jose, CA 95134

     Tel: +1 1800 553-NETS

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

    description
      "This module contains a collection of YANG definitions
     for NAT operational data.
     Copyright (c) 2017-2019 by Cisco Systems, Inc.
     All rights reserved.";

    revision "2019-05-01" {
      description "Added semantic version";
      reference
        "2.2.0";

    }

    revision "2018-10-29" {
      description
        "Cleaned up spelling errors in descriptions.";
      reference
        "2.1.0";

    }

    revision "2018-03-17" {
      description
        "The second generally available version";
      reference
        "2.0.0";

    }

    revision "2017-11-01" {
      description "Initial revision";
      reference
        "1.0.0";

    }

    cisco-semver:module-version "2.2.0";
    cisco-semver:module-version "2.1.0";
    cisco-semver:module-version "2.0.0";
    cisco-semver:module-version "1.0.0";

    grouping ip-nat-statistics {
      description "ip nat global statistics";
      leaf initialized {
        type boolean;
        description
          "Indicates if the NAT feature has been initialized";
      }

      leaf entries {
        type uint64;
        description "Total translations";
      }

      leaf statics {
        type uint64;
        description
          "Total static translations";
      }

      leaf-list statics-sorted {
        type uint64;
        max-elements 4;
        ordered-by user;
        description
          "Sorted static translations by domain";
      }

      leaf flows {
        type uint64;
        description "Total flows";
      }

      leaf insides {
        type uint64;
        description
          "Number of inside interfaces";
      }

      leaf outsides {
        type uint64;
        description
          "Number of outside interfaces";
      }

      leaf entry-timeouts {
        type uint64;
        description
          "Number of entries which timed out ";
      }

      leaf hits {
        type uint64;
        description
          "Successful searches with matching NAT session";
      }

      leaf misses {
        type uint64;
        description
          "Unsuccessful searches without matching NAT session";
      }

      leaf interrupt-switched {
        type uint64;
        description
          "Translated in interrupt switching";
      }

      leaf packets-punted {
        type uint64;
        description
          "Packets punted to process";
      }

      leaf frag-pak-count {
        type uint64;
        description
          "Counter for saved fragment packets";
      }

      leaf pool-stats-drop {
        type uint64;
        description
          "Dropped pool stats from platform";
      }

      leaf mapping-stats-drop {
        type uint64;
        description
          "Dropped mapping stats from platform";
      }

      leaf portlist-req-fail {
        type uint64;
        description
          "Counter for port block allocation request failures";
      }

      leaf ipalias-add-fail {
        type uint64;
        description
          "Counter for add IP alias fails drops";
      }

      leaf limit-entry-add-fail {
        type uint64;
        description
          "Counter for add limit entry fails drops";
      }

      leaf in2out-drops {
        type uint64;
        description
          "Counter for NAT inside->outside drops";
      }

      leaf out2in-drops {
        type uint64;
        description
          "Counter for NAT outside->inside drops";
      }

      leaf mib-addr-binds {
        type uint32;
        description
          "MIB counter for address binds";
      }

      leaf mib-addport-binds {
        type uint32;
        description
          "MIB counter for address port binds";
      }
    }  // grouping ip-nat-statistics

    grouping nat-translation-key {
      description "NAT translation key";
      leaf inside-local-addr {
        type inet:ipv4-address;
        description "Inside local address";
      }

      leaf outside-local-addr {
        type inet:ipv4-address;
        description "Outside local address";
      }

      leaf inside-local-port {
        type uint16;
        description "Inside local port";
      }

      leaf outside-local-port {
        type uint16;
        description "Outside local port";
      }

      leaf vrfid {
        type uint16;
        description "VRF ID";
      }

      leaf protocol {
        type uint8;
        description "Protocol";
      }
    }  // grouping nat-translation-key

    grouping nat-translation-param {
      description
        "NAT translation parameters";
      leaf inside-global-addr {
        type inet:ipv4-address;
        description "Inside global address";
      }

      leaf outside-global-addr {
        type inet:ipv4-address;
        description "Outside global address";
      }

      leaf inside-global-port {
        type uint16;
        description "Inside global port";
      }

      leaf outside-global-port {
        type uint16;
        description "Outside global port";
      }

      leaf flags {
        type uint32;
        description "Translation flags";
      }

      leaf application-type {
        type uint8;
        description "Application type";
      }

      leaf vrf-name {
        type string;
        description
          "Virtual Routing and Forwarding name";
      }
    }  // grouping nat-translation-param

    container nat-data {
      config false;
      description "NAT statistics";
      container ip-nat-statistics {
        presence "ip-nat-statistics";
        description "Global NAT statistics";
        uses nat-ios-xe-oper:ip-nat-statistics;
      }  // container ip-nat-statistics

      list ip-nat-translation {
        key "inside-local-addr outside-local-addr inside-local-port outside-local-port vrfid protocol";
        description "IP NAT translations";
        uses nat-ios-xe-oper:nat-translation-param;

        uses nat-ios-xe-oper:nat-translation-key;
      }  // list ip-nat-translation
    }  // container nat-data
  }  // module Cisco-IOS-XE-nat-oper