submodule Cisco-IOS-XR-ip-tcp-oper-sub2 {

    yang-version 1;

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

    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 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";

    grouping IP-TCP {
      description "TCP Traffic Information";
      leaf tcp-input-packets {
        type uint32;
        description "TCP packets received";
      }

      leaf tcp-checksum-error-packets {
        type uint32;
        description
          "TCP packets with checksum errors";
      }

      leaf tcp-dropped-packets {
        type uint32;
        description
          "TCP packets dropped (no port)";
      }

      leaf tcp-output-packets {
        type uint32;
        description
          "TCP packets transmitted";
      }

      leaf tcp-retransmitted-packets {
        type uint32;
        description
          "TCP packets retransmitted";
      }
    }  // grouping IP-TCP
  }  // submodule Cisco-IOS-XR-ip-tcp-oper-sub2