submodule openconfig-aaa-tacacs {

    yang-version 1;

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

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

    organization "OpenConfig working group";

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

    description
      "This module defines configuration and operational state data
    related to the TACACS+ protocol for authentication,
    authorization, and accounting.";

    revision "2017-09-18" {
      description
        "Updated to use OpenConfig types modules";
      reference
        "0.3.0";

    }

    revision "2017-07-06" {
      description
        "Move to oc-inet types, add IETF attribution, add RADIUS
      counters, changed password leaf names to indicate hashed";
      reference
        "0.2.0";

    }

    revision "2017-01-29" {
      description "Initial public release";
      reference
        "0.1.0";

    }

    oc-ext:openconfig-version "0.3.0";

    identity TACACS {
      base oc-aaa-types:AAA_SERVER_TYPE;
      description
        "Terminal Access Controller Access Control System (TACACS+)
      AAA server";
      reference
        "The TACACS+ Protocol (draft-ietf-opsawg-tacacs-05)
         RFC 1492 - An Access Control Protocol, Sometimes Called
        TACACS";

    }

    grouping aaa-tacacs-server-config {
      description
        "Configuration data for a TACACS+ server";
      leaf port {
        type oc-inet:port-number;
        default '49';
        description
          "The port number on which to contact the TACACS server";
      }

      leaf secret-key {
        type oc-types:routing-password;
        description
          "The unencrypted shared key used between the authentication
        server and the device.";
      }

      leaf source-address {
        type oc-inet:ip-address;
        description
          "Source IP address to use in messages to the TACACS server";
      }
    }  // grouping aaa-tacacs-server-config

    grouping aaa-tacacs-server-state {
      description
        "Operational state data for a TACACS+ server";
    }  // grouping aaa-tacacs-server-state

    grouping aaa-tacacs-server-top {
      description
        "Top-level grouping for TACACS+ sever data";
      container tacacs {
        description
          "Top-level container for TACACS+ server data";
        container config {
          description
            "Configuration data for TACACS+ server";
          uses aaa-tacacs-server-config;
        }  // container config

        container state {
          config false;
          description
            "Operational state data for TACACS+ server";
          uses aaa-tacacs-server-config;

          uses aaa-tacacs-server-state;
        }  // container state
      }  // container tacacs
    }  // grouping aaa-tacacs-server-top
  }  // submodule openconfig-aaa-tacacs