module Cisco-IOS-XR-ip-iep-cfg {

    yang-version 1;

    namespace
      "http://cisco.com/ns/yang/Cisco-IOS-XR-ip-iep-cfg";

    prefix ip-iep-cfg;

    import ietf-inet-types {
      prefix inet;
    }
    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 module contains a collection of YANG definitions
     for Cisco IOS-XR ip-iep package configuration.
     
     This module contains definitions
     for the following management objects:
       ip-explicit-paths: IP Explicit Path config data
     
     Copyright (c) 2013-2019 by Cisco Systems, Inc.
     All rights reserved.";

    revision "2019-10-31" {
      description "Added mandatory nodes.";
    }

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

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

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

    semver:module-version "2.0.0";
    semver:module-version "1.0.0";

    typedef Ip-iep-num {
      type enumeration {
        enum "unnumbered" {
          value 1;
          description "Unnumbered";
        }
        enum "numbered" {
          value 2;
          description "Numbered";
        }
      }
      description "Ip iep num";
    }

    typedef Ip-iep-hop {
      type enumeration {
        enum "next-strict" {
          value 2;
          description "NextStrict";
        }
        enum "next-loose" {
          value 3;
          description "NextLoose";
        }
        enum "exclude" {
          value 4;
          description "Exclude";
        }
        enum "exclude-srlg" {
          value 5;
          description
            "Exclude Shared Risk Link Group";
        }
        enum "next-label" {
          value 6;
          description "NextLabel";
        }
      }
      description "Ip iep hop";
    }

    typedef Ip-iep-path {
      type enumeration {
        enum "identifier" {
          value 1;
          description "Identifier";
        }
        enum "name" {
          value 2;
          description "Name";
        }
      }
      description "Ip iep path";
    }

    container ip-explicit-paths {
      description
        "IP Explicit Path config data";
      container paths {
        description
          "A list of explicit paths";
        list path {
          must "name or identifier" {
            description
              "Name or Identifier must be present.";
          }
          key "type";
          description
            "Config data for a specific explicit path";
          leaf type {
            type Ip-iep-path;
            description "Path type";
          }

          list name {
            when "../type = 'name'" {
              description "../Type = Name";
            }
            key "name";
            description "name";
            leaf name {
              type xr:Cisco-ios-xr-string;
              description "Path name";
            }

            container hops {
              description "List of Hops";
              list hop {
                key "index-number";
                description
                  "Hop Information";
                leaf index-number {
                  type uint32 {
                    range "1..65535";
                  }
                  description "Index number";
                }

                leaf ip-address {
                  when
                    "../hop-type != 'next-label'" {
                    description
                      "../HopType != NextLabel";
                  }
                  type inet:ipv4-address-no-zone;
                  mandatory true;
                  description
                    "IP address of the hop";
                }

                leaf hop-type {
                  type Ip-iep-hop;
                  mandatory true;
                  description
                    "Include or exclude this hop in the path";
                }

                leaf if-index {
                  when
                    "../hop-type != 'next-label'" {
                    description
                      "../HopType != NextLabel";
                  }
                  type uint32;
                  mandatory true;
                  description
                    "Ifindex value";
                }

                leaf num-type {
                  when
                    "../hop-type != 'next-label'" {
                    description
                      "../HopType != NextLabel";
                  }
                  type Ip-iep-num;
                  mandatory true;
                  description
                    "Number type Numbered or Unnumbered";
                }

                leaf mpls-label {
                  when
                    "../hop-type = 'next-label'" {
                    description
                      "../HopType = NextLabel";
                  }
                  type uint32 {
                    range "0..1048575";
                  }
                  description "MPLS Label";
                }
              }  // list hop
            }  // container hops

            leaf disable {
              type empty;
              description
                "Disable the explicit path";
            }
          }  // list name

          list identifier {
            when "../type = 'identifier'" {
              description
                "../Type = Identifier";
            }
            key "id";
            description "identifier";
            leaf id {
              type uint32 {
                range "1..65535";
              }
              description "Path identifier";
            }

            container hops {
              description "List of Hops";
              list hop {
                key "index-number";
                description
                  "Hop Information";
                leaf index-number {
                  type uint32 {
                    range "1..65535";
                  }
                  description "Index number";
                }

                leaf ip-address {
                  when
                    "../hop-type != 'next-label'" {
                    description
                      "../HopType != NextLabel";
                  }
                  type inet:ipv4-address-no-zone;
                  mandatory true;
                  description
                    "IP address of the hop";
                }

                leaf hop-type {
                  type Ip-iep-hop;
                  mandatory true;
                  description
                    "Include or exclude this hop in the path";
                }

                leaf if-index {
                  when
                    "../hop-type != 'next-label'" {
                    description
                      "../HopType != NextLabel";
                  }
                  type uint32;
                  mandatory true;
                  description
                    "Ifindex value";
                }

                leaf num-type {
                  when
                    "../hop-type != 'next-label'" {
                    description
                      "../HopType != NextLabel";
                  }
                  type Ip-iep-num;
                  mandatory true;
                  description
                    "Number type Numbered or Unnumbered";
                }

                leaf mpls-label {
                  when
                    "../hop-type = 'next-label'" {
                    description
                      "../HopType = NextLabel";
                  }
                  type uint32 {
                    range "0..1048575";
                  }
                  description "MPLS Label";
                }
              }  // list hop
            }  // container hops

            leaf disable {
              type empty;
              description
                "Disable the explicit path";
            }
          }  // list identifier
        }  // list path
      }  // container paths
    }  // container ip-explicit-paths
  }  // module Cisco-IOS-XR-ip-iep-cfg