submodule Cisco-IOS-XR-ipv6-io-oper-sub1 {

    yang-version 1;

    belongs-to Cisco-IOS-XR-ipv6-io-oper {
        prefix Cisco-IOS-XR-ipv6-io-oper;
    }

    import ietf-inet-types {
      prefix inet;
    }
    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 ipv6-io package operational data.
     
     Copyright (c) 2013-2019 by Cisco Systems, Inc.
     All rights reserved.";

    revision "2019-10-21" {
      description
        "Added List of VRF IDs for path-mtu cache.";
    }

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

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

    revision "2015-08-27" {
      description "IOS XR 6.0.0 revision.";
    }

    semver:module-version "1.1.0";
    semver:module-version "1.0.1";
  }  // submodule Cisco-IOS-XR-ipv6-io-oper-sub1