frr-eigrpd.yang

module frr-eigrpd {
  yang-version 1.1;
  namespace "http://frrouting.org/yang/eigrpd";
  prefix frr-eigrpd;

  import ietf-inet-types {
    prefix inet;
  }
  import ietf-yang-types {
    prefix yang;
  }
  import frr-interface {
    prefix frr-interface;
  }
  import frr-route-types {
    prefix frr-route-types;
  }

  organization "FRRouting";
  contact
    "FRR Users List:       <mailto:frog@lists.frrouting.org>
     FRR Development List: <mailto:dev@lists.frrouting.org>";
  description
    "This module defines a model for managing FRR eigrpd daemon.";

  revision 2019-09-09 {
    description
      "Changed interface references to use
      frr-interface:interface-ref typedef";
  }
  revision 2019-06-19 {
    description "Initial revision.";
    reference
      "RFC 7868: Cisco's Enhanced Interior Gateway Routing Protocol (EIGRP).";
  }

  /*
   * Types specification.
   */
  typedef autonomous-system {
    description "Administrative domain identification for a network";
    type uint16 {
      range 1..65535;
    }
  }

  typedef authentication-type {
    description "Authentication types";
    type enumeration {
      enum none {
        description "Don't authenticate";
        value 0;
      }

      enum text {
        description "User defined text";
        value 1;
      }

      enum md5 {
        description "MD5 algorithm";
        value 2;
      }

      enum hmac-sha-256 {
        description "HMAC SHA256 algorithm";
        value 3;
      }
    }
  }

  /*
   * EIGRP operational data.
   */
  container eigrpd {
    list instance {
      key "asn vrf";
      description "EIGRP autonomous system instance";

      leaf asn {
        description "Autonomous System Number";
        type autonomous-system;
      }

      leaf vrf {
        description "Virtual Routing Domain name";
        type string {
          length "0..16";
        }
      }

      /*
       * Configurations.
       */
      leaf router-id {
        description "Router identification";
        type inet:ipv4-address;
      }

      leaf-list passive-interface {
        description "List of suppressed interfaces";
        type frr-interface:interface-ref;
      }

      leaf active-time {
        description "ACTIVE time limit in seconds (0 disables limit)";
        type uint16 {
          range "0..65535";
        }
        units seconds;
        default 180;
      }

      leaf variance {
        description "Control load balance variance";
        type uint8 {
          range "1..128";
        }
      }

      leaf maximum-paths {
        description "Most number of paths to forward packets to";
        type uint8 {
          range "1..32";
        }
      }

      container metric-weights {
        description
          "Metrics and parameters for advertisement.

           EIGRP calculates the composite metric with the following formula:

               metric = 256 * ({(K1*BW) + [(K2*BW)/(256-LOAD)] + (K3*DELAY)} *
                        (K5/(REL+K4)))

           Composite calculation:
                                                                         K5
               metric =[(K1*Net-Throughput) + Latency)+(K6*ExtAttr)] * ------
                                                                       K4+Rel

           RFC 7868 Sections 5.5 and 5.6.2.5.";

        leaf K1 {
          description "Bandwidth coefficient.";
          type uint8 {
            range "0..255";
          }
        }

        leaf K2 {
          description "Bandwidth on load coefficient.";
          type uint8 {
            range "0..255";
          }
        }

        leaf K3 {
          description "Delay or latency-based coefficient.";
          type uint8 {
            range "0..255";
          }
        }

        leaf K4 {
          description "Link quality coefficient.";
          type uint8 {
            range "0..255";
          }
        }

        leaf K5 {
          description "Packet loss coefficient.";
          type uint8 {
            range "0..255";
          }
        }

        leaf K6 {
          description "Jitter coefficient.";
          type uint8 {
            range "0..255";
          }
        }
      }

      leaf-list network {
        description "Enable EIGRP on the specific network";
        type inet:ipv4-prefix;
      }

      leaf-list neighbor {
        description "Specific EIGRP neighbor";
        type inet:ipv4-address;
      }

      list redistribute {
        description "Redistribute routes learned from other routing protocols";

        key "protocol";

        leaf protocol {
          description "Routing protocol";
          type frr-route-types:frr-route-types-v4;
          must '. != "eigrp"';
        }

        leaf route-map {
          description
            "Applies the conditions of the specified route-map to
             routes that are redistributed into the EIGRP routing
             instance";
          type string {
            length "1..max";
          }
        }

        container metrics {
          description "Metric for the redistributed routes";

          leaf bandwidth {
            description "Bandwidth metric in Kbits per second";
            type uint32 {
              range "1..4294967295";
            }
          }

          leaf delay {
            description "Delay metric";
            units microseconds;
            type uint32 {
              range "0..4294967295";
            }
          }

          leaf reliability {
            description "Reliability metric";
            type uint32 {
              range "0..255";
            }
          }

          leaf load {
            description "Effective bandwidth usage";
            type uint32 {
              range "1..255";
            }
          }

          leaf mtu {
            description "Path Maximum Transmission Unit";
            type uint32 {
              range "1..65535";
            }
          }
        }
      }
    }
  }

  /*
   * EIGRP interface configurations.
   */
   augment "/frr-interface:lib/frr-interface:interface" {
     container eigrp {
       description "EIGRP interface parameters";

       leaf delay {
         description "Throughput delay";
         type uint32 {
           range "1..16777215";
         }
         default 10;
       }

       leaf bandwidth {
         description "Interface bandwidth value";
         type uint32 {
           range "1..10000000";
         }
         default 100000;
       }

       leaf hello-interval {
         description "Hello packet interval";
         type uint16 {
           range "1..65535";
         }
         units seconds;
         default 5;
       }

       leaf hold-time {
         description "Timeout amount to consider neighbor down";
         type uint16 {
           range "1..65535";
         }
         units seconds;
         default 15;
       }

       leaf split-horizon {
         description "Perform split horizon loop preventing technique";
         type boolean;
         default true;
       }

       /*
        * Per AS configuration.
        */
       list instance {
         description "Autonomous System specific configuration";

         key "asn";

         leaf asn {
           description "Autonomous System Number";
           type autonomous-system;
         }

         leaf-list summarize-addresses {
           description "Peform address summarization";
           type inet:ipv4-prefix;
         }

         leaf authentication {
           description "Authentication digest algorithm";
           type authentication-type;
           default "none";
         }

         leaf keychain {
           description "FRR key chain name to use with authentication";
           type string;
         }
       }
     }
   }
}