submodule openconfig-aft-ipv4 {

    yang-version 1;

    belongs-to openconfig-aft {
        prefix oc-aft;
    }

    import openconfig-extensions {
      prefix oc-ext;
    }
    import openconfig-inet-types {
      prefix oc-inet;
    }

    include openconfig-aft-common;

    organization "OpenConfig working group";

    contact
      "OpenConfig working group
    www.openconfig.net";

    description
      "Submodule containing definitions of groupings for the abstract
    forwarding tables for IPv4.";

    revision "2017-05-10" {
      description
        "Refactor to provide concretised per-AF schemas per AFT.";
      reference
        "0.3.0";

    }

    oc-ext:openconfig-version "0.3.0";

    grouping aft-ipv4-unicast-structural {
      description
        "Structural grouping defining the schema for the IPv4 unicast
      abstract forwarding table.";
      list ipv4-entry {
        key "prefix";
        description
          "List of the IPv4 unicast entries within the abstract
        forwarding table. This list is keyed by the destination IPv4
        prefix.";
        leaf prefix {
          type leafref {
            path "../config/prefix";
          }
          description
            "Reference to the IPv4 unicast destination prefix which
          must be matched to utilise the AFT entry.";
        }

        container config {
          description
            "Configuration parameters for the IPv4 unicast AFT entry.";
          uses aft-ipv4-unicast-entry-config;
        }  // container config

        container state {
          config false;
          description
            "Operational state parameters for the IPv4 unicast AFT
          entry.";
          uses aft-ipv4-unicast-entry-config;

          uses aft-ipv4-unicast-entry-state;
        }  // container state

        uses aft-common-nhop-structural;
      }  // list ipv4-entry
    }  // grouping aft-ipv4-unicast-structural

    grouping aft-ipv4-unicast-entry-config {
      description
        "Configuration parameters for the IPv4 unicast entry.";
      leaf prefix {
        type oc-inet:ipv4-prefix;
        description
          "The IPv4 destination prefix that should be matched to
          utilise the AFT entry.";
      }
    }  // grouping aft-ipv4-unicast-entry-config

    grouping aft-ipv4-unicast-entry-state {
      description
        "Operational state parameters for the IPv4 unicast entry.";
      uses aft-common-entry-state;
    }  // grouping aft-ipv4-unicast-entry-state
  }  // submodule openconfig-aft-ipv4