submodule Cisco-IOS-XR-ip-tcp-oper-sub4 {

    yang-version 1;

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

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

    include Cisco-IOS-XR-ip-tcp-oper-sub1 {
      revision-date "2020-05-15";
    }

    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-tcp package operational data.
     
     Copyright (c) 2013-2020 by Cisco Systems, Inc.
     All rights reserved.";

    revision "2020-05-15" {
      description
        "First SYN delay timer added";
    }

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

    revision "2018-11-01" {
      description
        "Added socket async double free prevention count in tcp statistics summary";
    }

    revision "2018-02-14" {
      description
        "PCB_ID argument is passed in string format.";
    }

    revision "2018-02-14" {
      description
        "Added support for TCP-AO feature.";
    }

    revision "2017-05-01" {
      description
        "Fixing backward compatibility error in module.";
    }

    revision "2016-02-26" {
      description "Descriptions updated.";
    }

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

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

    typedef Message-id {
      type uint32;
      description "Message id";
    }

    typedef Message-type-igmp {
      type enumeration {
        enum "membership-query" {
          value 17;
          description
            "IGMP Packet type: Membership query";
        }
        enum "v1-membership-report" {
          value 18;
          description
            "IGMP Packet type: V1 membership report";
        }
        enum "dvmrp" {
          value 19;
          description
            "IGMP Packet type: DVMRP";
        }
        enum "pi-mv1" {
          value 20;
          description
            "IGMP Packet type: PIM version 1";
        }
        enum "cisco-trace-messages" {
          value 21;
          description
            "IGMP Packet type: Cisco Trace Messages";
        }
        enum "v2-membership-report" {
          value 22;
          description
            "IGMP Packet type: V2 membership report";
        }
        enum "v2-leave-group" {
          value 23;
          description
            "IGMP Packet type: V2 leave group";
        }
        enum "multicast-traceroute-response" {
          value 30;
          description
            "IGMP Packet type: Multicast traceroute response";
        }
        enum "multicast-traceroute" {
          value 31;
          description
            "IGMP Packet type: MulticastTraceroute";
        }
        enum "v3-membership-report" {
          value 34;
          description
            "IGMP Packet type: V3 membership report";
        }
        enum
          "multicast-router-advertisement" {
          value 48;
          description
            "IGMP Packet type: Multicast router
           advertisement";
        }
        enum "multicast-router-solicitation" {
          value 49;
          description
            "IGMP Packet type: Multicast router solicitation";
        }
        enum "multicast-router-termination" {
          value 50;
          description
            "IGMP Packet type: Multicast router termination";
        }
      }
      description "LPTS IGMP message types";
    }

    typedef Message-igmp {
      type Message-type-igmp;
      description "Message igmp";
    }

    typedef Message-type-icmpv6 {
      type enumeration {
        enum "destination-unreachable" {
          value 1;
          description
            "ICMPv6 Packet type: Destination unreachable";
        }
        enum "packet-too-big" {
          value 2;
          description
            "ICMPv6 Packet type: packet too big";
        }
        enum "time-exceeded" {
          value 3;
          description
            "ICMPv6 Packet type: Time exceeded";
        }
        enum "parameter-problem" {
          value 4;
          description
            "ICMPv6 Packet type: Parameter problem";
        }
        enum "echo-request" {
          value 128;
          description
            "ICMPv6 Packet type: Echo request";
        }
        enum "echo-reply" {
          value 129;
          description
            "ICMPv6 Packet type: Echo reply";
        }
        enum "multicast-listener-query" {
          value 130;
          description
            "ICMPv6 Packet type: Multicast listener query";
        }
        enum "multicast-listener-report" {
          value 131;
          description
            "ICMPv6 Packet type: Multicast listener report";
        }
        enum "multicast-listener-done" {
          value 132;
          description
            "ICMPv6 Packet type: Multicast listener done";
        }
        enum "router-solicitation" {
          value 133;
          description
            "ICMPv6 Packet type: Router solicitation";
        }
        enum "router-advertisement" {
          value 134;
          description
            "ICMPv6 Packet type: Router advertisement";
        }
        enum "neighbor-solicitation" {
          value 135;
          description
            "ICMPv6 Packet type: Neighbor solicitation";
        }
        enum "neighbor-advertisement" {
          value 136;
          description
            "ICMPv6 Packet type: Neighbor advertisement";
        }
        enum "redirect-message" {
          value 137;
          description
            "ICMPv6 Packet type: Redirect message";
        }
        enum "router-renumbering" {
          value 138;
          description
            "ICMPv6 Packet type: Router renumbering";
        }
        enum "node-information-query" {
          value 139;
          description
            "ICMPv6 Packet type: Node information query";
        }
        enum "node-information-reply" {
          value 140;
          description
            "ICMPv6 Packet type: Node information reply";
        }
        enum
          "inverse-neighbor-discovery-solicitaion" {
          value 141;
          description
            "ICMPv6 Packet type: Inverse neighbor discovery
           solicitation message";
        }
        enum
          "inverse-neighbor-discover-advertisement" {
          value 142;
          description
            "ICMPv6 Packet type: Inverse neighbor discovery
           advertisement message";
        }
        enum "v2-multicast-listener-report" {
          value 143;
          description
            "ICMPv6 Packet type: Version 2 multicast
           listener report";
        }
        enum
          "home-agent-address-discovery-request" {
          value 144;
          description
            "ICMPv6 Packet type: Home agent address
           discovery request message";
        }
        enum
          "home-agent-address-discovery-reply" {
          value 145;
          description
            "ICMPv6 Packet type: Home agent address
           discovery reply message";
        }
        enum "mobile-prefix-solicitation" {
          value 146;
          description
            "ICMPv6 Packet type: Mobile prefix solicitation";
        }
        enum "mobile-prefix-advertisement" {
          value 147;
          description
            "ICMPv6 Packet type: Mobile prefix advertisement";
        }
        enum
          "certification-path-solicitation-message" {
          value 148;
          description
            "ICMPv6 Packet type: Certification path
           solicitation message";
        }
        enum
          "certification-path-advertisement-message" {
          value 149;
          description
            "ICMPv6 Packet type: Certification path
           advertisement message";
        }
        enum
          "experimental-mobility-protocols" {
          value 150;
          description
            "ICMPv6 Packet type: ICMP messages utilized by
           experimental mobility  protocols such as
           seamoby";
        }
        enum
          "multicast-router-advertisement" {
          value 151;
          description
            "ICMPv6 Packet type: Multicast router
           advertisement";
        }
        enum "multicast-router-solicitation" {
          value 152;
          description
            "ICMPv6 Packet type: Multicast router
           solicitation";
        }
        enum "multicast-router-termination" {
          value 153;
          description
            "ICMPv6 Packet type: Multicast router
           termination";
        }
        enum "fmipv6-messages" {
          value 154;
          description
            "ICMPv6 Packet type: FMIPv6 messages";
        }
      }
      description
        "LPTS ICMPv6 message types";
    }

    typedef Message-icmpv6 {
      type Message-type-icmpv6;
      description "Message icmpv6";
    }

    typedef Message-type-icmp {
      type enumeration {
        enum "echo-reply" {
          value 0;
          description
            "ICMP Packet type: Echo reply";
        }
        enum "destination-unreachable" {
          value 3;
          description
            "ICMP Packet type: Destination unreachable";
        }
        enum "source-quench" {
          value 4;
          description
            "ICMP Packet type: Source quench";
        }
        enum "redirect" {
          value 5;
          description
            "ICMP Packet type: Redirect";
        }
        enum "alternate-host-address" {
          value 6;
          description
            "ICMP Packet type: Alternate host address";
        }
        enum "echo" {
          value 8;
          description
            "ICMP Packet type: Echo";
        }
        enum "router-advertisement" {
          value 9;
          description
            "ICMP Packet type: Router advertisement";
        }
        enum "router-selection" {
          value 10;
          description
            "ICMP Packet type: Router selection";
        }
        enum "time-exceeded" {
          value 11;
          description
            "ICMP Packet type: Time exceeded";
        }
        enum "parameter-problem" {
          value 12;
          description
            "ICMP Packet type: Parameter problem";
        }
        enum "time-stamp" {
          value 13;
          description
            "ICMP Packet type: Time stamp";
        }
        enum "time-stamp-reply" {
          value 14;
          description
            "ICMP Packet type: Time stamp reply";
        }
        enum "information-request" {
          value 15;
          description
            "ICMP Packet type: Information request";
        }
        enum "information-reply" {
          value 16;
          description
            "ICMP Packet type: Information reply";
        }
        enum "address-mask-request" {
          value 17;
          description
            "ICMP Packet type: Address mask request";
        }
        enum "address-mask-reply" {
          value 18;
          description
            "ICMP Packet type: Address mask reply";
        }
        enum "trace-route" {
          value 30;
          description
            "ICMP Packet type: Trace route";
        }
        enum "datagram-conversion-error" {
          value 31;
          description
            "ICMP Packet type: Datagram Conversion error";
        }
        enum "mobile-host-redirect" {
          value 32;
          description
            "ICMP Packet type: Mobile host redirect";
        }
        enum "where-are-you" {
          value 33;
          description
            "ICMP Packet type: IPv6 where-are-you";
        }
        enum "iam-here" {
          value 34;
          description
            "ICMP Packet type: IPv6 i-am-here";
        }
        enum "mobile-registration-request" {
          value 35;
          description
            "ICMP Packet type: Mobile registration request";
        }
        enum "mobile-registration-reply" {
          value 36;
          description
            "ICMP Packet type: Mobile registration reply";
        }
        enum "domain-name-request" {
          value 37;
          description
            "ICMP Packet type: Domain name request";
        }
      }
      description "LPTS ICMP message types";
    }

    typedef Message-icmp {
      type Message-type-icmp;
      description "Message icmp";
    }

    typedef Packet {
      type enumeration {
        enum "icmp" {
          value 0;
          description "ICMP packet type";
        }
        enum "icm-pv6" {
          value 1;
          description "ICMPv6 packet type";
        }
        enum "igmp" {
          value 2;
          description "IGMP packet type";
        }
        enum "unknown" {
          value 3;
          description "Packet type unknown";
        }
      }
      description "Packet type";
    }

    typedef Lpts-ipv6-address {
      type inet:ipv6-address;
      description "Lpts ipv6 address";
    }
  }  // submodule Cisco-IOS-XR-ip-tcp-oper-sub4