module Cisco-IOS-XE-tunnel-types {

    yang-version 1;

    namespace
      "http://cisco.com/ns/yang/Cisco-IOS-XE-tunnel-types";

    prefix tunnel-types;

    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 tunnel types.
Copyright (c) 2018-2019 by Cisco Systems, Inc.
All rights reserved.";

    revision "2021-07-01" {
      description "IPSEC IPV4 Dual Overlay";
      reference
        "1.2.0";

    }

    revision "2019-05-01" {
      description "Added semantic version";
      reference
        "1.1.0";

    }

    revision "2018-11-01" {
      description "Initial revision";
      reference
        "1.0.0";

    }

    cisco-semver:module-version "1.2.0";
    cisco-semver:module-version "1.1.0";
    cisco-semver:module-version "1.0.0";

    typedef tunnel-domain-mode {
      type enumeration {
        enum
          "uninitialized-tunnel-domain-mode" {
          value 0;
          description
            "Uninitialized tunnel domain mode";
        }
        enum "tunnel-domain-mode-eogre" {
          value 1;
          description
            "GRE over point to point IPV4/IPV6 domain";
        }
        enum "tunnel-domain-mode-pmipv6" {
          value 2;
          description
            "Proxy Mobile IPV6 domain";
        }
        enum "tunnel-domain-mode-gtpv2" {
          value 3;
          description
            "GPRS Tunneling Protocol Version 2 domain";
        }
      }
      description
        "Represents the tunnel domain mode";
    }

    typedef tunnel-intf-mode {
      type enumeration {
        enum "uninitialized-tunnel-mode" {
          value 0;
          description
            "Uninitialized tunnel mode";
        }
        enum "tunnel-mode-gre-ip" {
          value 1;
          description
            "GRE over point to point IPV4 tunnel mode";
        }
        enum "tunnel-mode-mgre-ip" {
          value 2;
          description
            "GRE over multipoint IPv4 tunnel mode";
        }
        enum "tunnel-mode-mgre-ipv6" {
          value 3;
          description
            "GRE over multipoint IPv6 tunnel mode";
        }
        enum "tunnel-mode-nos-ip" {
          value 4;
          description
            "NOS over IPv4 tunnel mode";
        }
        enum "tunnel-mode-ip-ip" {
          value 5;
          description
            "IP over point to point IPv4 tunnel mode";
        }
        enum "tunnel-mode-dvmrp-ip" {
          value 6;
          description
            "DVMRP over IPv4 tunnel mode";
        }
        enum "tunnel-mode-eon-ip" {
          value 7;
          description
            "EON over IPv4 tunnel mode";
        }
        enum "tunnel-mode-cayman-udp" {
          value 8;
          description
            "CAYMAN over UDP over IPv4 tunnel mode";
        }
        enum "tunnel-mode-aurp-udp" {
          value 9;
          description
            "AURP over UDP over IPv4 tunnel mode";
        }
        enum "tunnel-mode-iptalk-udp" {
          value 10;
          description
            "IPTALK over UDP over multipoint IPv4 tunnel mode";
        }
        enum "tunnel-mode-tagswitching" {
          value 11;
          description
            "mpls transport tunnel mode";
        }
        enum "tunnel-mode-ip-ip-dcap-any" {
          value 12;
          description
            "IPv4 over point to point IPv4 tunnel mode (receive only)";
        }
        enum "tunnel-mode-gre-ipmcast" {
          value 13;
          description
            "GRE over IPv4 multicast tunnel mode (deprecated)";
        }
        enum "tunnel-mode-cdma" {
          value 14;
          description
            "GRE over IPV4 tunnel mode used by the CDMA client";
        }
        enum "tunnel-mode-ipv6-ip" {
          value 15;
          description
            "IPv6 over point to point IPv4 tunnel mode";
        }
        enum "tunnel-mode-ipv6-auto-tunnel" {
          value 16;
          description
            "IPv6 over multipoint IPv4 tunnel mode";
        }
        enum "tunnel-mode-ipv6-6to4" {
          value 17;
          description
            "IPv6 over multipoint IPv4 tunnel mode";
        }
        enum "tunnel-mode-ipv6-6rd" {
          value 18;
          description
            "IPv6 over multipoint IPv4 tunnel mode";
        }
        enum "tunnel-mode-ipv6-isatap" {
          value 19;
          description
            "IPv6 over multipoint IPv4 tunnel mode";
        }
        enum "tunnel-mode-ipv6" {
          value 20;
          description
            "IPv6 over point to point IPv6 tunnel mode";
        }
        enum "tunnel-mode-gre-ipv6" {
          value 21;
          description
            "GRE over point to point IPv6 tunnel mode";
        }
        enum "tunnel-mode-pim-embd-enc-ipv6" {
          value 22;
          description
            "PIM register encapsulation over multipoint IPv6 tunnel mode";
        }
        enum "tunnel-mode-pim-enc-ipv6" {
          value 23;
          description
            "PIM register encapsulation over point to point IPv6 tunnel mode";
        }
        enum "tunnnel-mode-pim-dec-ipv6" {
          value 24;
          description
            "PIM register decapsulation over point to point IPv6 tunnel mode";
        }
        enum "tunnel-mode-pim-enc-ipv4" {
          value 25;
          description
            "PIM register encapsulation over point to point IPv4 tunnel mode";
        }
        enum "tunnel-mode-pim-dec-ipv4" {
          value 26;
          description
            "PIM register decapsulation over point to point IPv4 tunnel mode";
        }
        enum "tunnel-mode-rbscp-ip" {
          value 27;
          description
            "RBSCP over point to point IPv4 tunnel mode";
        }
        enum "tunnel-mode-mip-udp" {
          value 28;
          description
            "UDP over point to point IPV4 tunnel mode used by ip mobile client";
        }
        enum "tunnel-mode-ipsec-ip" {
          value 29;
          description
            "Encapsulating Security Protocol (ESP) over point 2 point IPv4 used by the ipsec client";
        }
        enum "tunnel-mode-ipsec-ipv6" {
          value 30;
          description
            "Encapsulating Security Protocol (ESP) over point 2 point IPv6 used by the ipsec client";
        }
        enum "tunnel-mode-gtp-ipv4" {
          value 31;
          description
            "GPRS Tunnelling Protocol (GTP) IPV4 used by the GTP module";
        }
        enum "tunnel-mode-ether-gre-ipv4" {
          value 32;
          description
            "Ethernet Over GRE IPV4";
        }
        enum "tunnel-mode-ether-gre-ipv6" {
          value 33;
          description
            "Ethernet Over GRE IPV6";
        }
        enum "tunnel-mode-udp-ip" {
          value 34;
          description "UDP Over IPV4";
        }
        enum "tunnel-mode-udp-ipv6" {
          value 35;
          description "UDP Over IPV6";
        }
        enum "tunnel-mode-mudp-ip" {
          value 36;
          description
            "UDP Over multipoint IPV4";
        }
        enum "tunnel-mode-mudp-ipv6" {
          value 37;
          description
            "UDP Over multipoint IPV6";
        }
        enum "tunnel-mode-vxlan-gpe-ip" {
          value 38;
          description "VXLAN_GPE Over IPV4";
        }
        enum "tunnel-mode-mvxlan-gpe-ip" {
          value 39;
          description "MVXLAN-GPE Over IPV4";
        }
        enum "tunnel-mode-vxlan-gpe-ipv6" {
          value 40;
          description "VXLAN_GPE Over IPV6";
        }
        enum "tunnel-mode-mvxlan-gpe-ipv6" {
          value 41;
          description "MVXLAN-GPE Over IPV6";
        }
        enum "tunnel-mode-vxlan-mac-ip" {
          value 42;
          description "VXLAN_Over IPV4";
        }
        enum "tunnel-mode-vxlan-mac-ipv6" {
          value 43;
          description "VXLAN_Over IPV6";
        }
        enum "tunnel-mode-ether-l2tpv3-ipv6" {
          value 44;
          description
            "L2TPv3 over point to point IPv6 tunnel mode";
        }
        enum "tunnel-mode-sdwan" {
          value 45;
          description
            "SDWAN Overlay tunnel mode";
        }
        enum "tunnel-mode-mvxlan-mac-ip" {
          value 46;
          description
            "VXLAN Over IPV4 tunnel mode";
        }
        enum "tunnel-mode-mvxlan-mac-ipv6" {
          value 47;
          description
            "VXLAN Over IPV6 tunnel mode";
        }
        enum
          "tunnel-mode-p2p-ethernet-gre-ip" {
          value 48;
          description
            "Ethernet Over GRE IPV4 tunnel mode";
        }
        enum
          "tunnel-mode-p2p-ethernet-gre-ipv6" {
          value 49;
          description
            "Ethernet Over GRE IPV6 tunnel mode";
        }
        enum
          "tunnel-mode-ipsec-ipv4-dualoverlay" {
          value 50;
          description
            "IPSEC IPV4 Dual Overlay";
        }
      }
      description
        "Represents the tunnel interface mode";
    }

    typedef tunnel-redundancy-model {
      type enumeration {
        enum
          "tunnel-nonrevertive-redundancy" {
          value 0;
          description
            "Nonrevertive redundancy";
        }
        enum "tunnel-revertive-redundancy" {
          value 1;
          description "Revertive redundancy";
        }
      }
      description
        "Represents the tunnel redundancy models";
    }

    typedef tunnel-intf-status {
      type enumeration {
        enum "tunnel-down" {
          value 0;
          description "Tunnel not operative";
        }
        enum "tunnel-up" {
          value 1;
          description "Tunnel operative";
        }
      }
      description
        "Represents the tunnel status";
    }

    grouping tunnel-domain-index {
      description
        "Tunnel domain database entry key";
      leaf name {
        type string;
        description "Domain Name";
      }

      leaf type {
        type tunnel-domain-mode;
        description "Tunnel Type";
      }
    }  // grouping tunnel-domain-index

    grouping tunnel-stats {
      description "Tunnel Statistics";
      leaf flap-count {
        type uint32;
        description
          "Tunnel flap (up/down) count";
      }

      leaf total-rx-bytes {
        type uint64;
        description "Total received bytes";
      }

      leaf total-tx-bytes {
        type uint64;
        description
          "Total transmitted bytes";
      }

      leaf total-rx-pkts {
        type uint64;
        description "Total received packets";
      }

      leaf total-tx-pkts {
        type uint64;
        description
          "Total transmitted packets";
      }

      leaf client-count {
        type uint32;
        description
          "Number of clients in this tunnel";
      }

      leaf up-time {
        type uint32;
        description
          "How long this tunnel has been up";
      }

      leaf keepalive-tx {
        type uint64;
        description
          "Number of transmitted keepalives in last window";
      }

      leaf keepalive-rx {
        type uint64;
        description
          "Number of received keepalives in last window";
      }

      leaf keepalive-windows {
        type uint32;
        description "Keepalive windows";
      }

      leaf keepalive-dropped {
        type uint32;
        description
          "Number of dropped keepalives in last window";
      }

      leaf total-keepalive-tx {
        type uint64;
        description
          "Number of transmitted keepalives";
      }

      leaf total-keepalive-rx {
        type uint64;
        description
          "Number of received keepalives";
      }
    }  // grouping tunnel-stats

    grouping tunnel-domain-common {
      description
        "Tunnel domain common data";
      leaf primary-tunnel-name {
        type string;
        description "Primary tunnel";
      }

      leaf secondary-tunnel-name {
        type string;
        description "Secondary tunnel";
      }

      leaf redundancy-model {
        type tunnel-redundancy-model;
        description "Redundancy model";
      }

      leaf enable {
        type boolean;
        description "Whether it is enabled";
      }
    }  // grouping tunnel-domain-common
  }  // module Cisco-IOS-XE-tunnel-types