diff --git a/models/openconfig/src/main/yang/interfaces/openconfig-if-ethernet.yang b/models/openconfig/src/main/yang/interfaces/openconfig-if-ethernet.yang
new file mode 100644
index 0000000..0a3c2e8
--- /dev/null
+++ b/models/openconfig/src/main/yang/interfaces/openconfig-if-ethernet.yang
@@ -0,0 +1,345 @@
+module openconfig-if-ethernet {
+
+  yang-version "1";
+
+  // namespace
+  namespace "http://openconfig.net/yang/interfaces/ethernet";
+
+  prefix "oc-eth";
+
+  // import some basic types
+  import openconfig-interfaces { prefix oc-if; }
+  import iana-if-type { prefix ift; }
+  import openconfig-yang-types { prefix oc-yang; }
+  import openconfig-extensions { prefix oc-ext; }
+
+  // meta
+  organization "OpenConfig working group";
+
+  contact
+    "OpenConfig working group
+    netopenconfig@googlegroups.com";
+
+  description
+    "Model for managing Ethernet interfaces -- augments the IETF YANG
+    model for interfaces described by RFC 7223";
+
+  oc-ext:openconfig-version "2.0.0";
+
+  revision "2017-07-14" {
+    description
+      "Added Ethernet/IP state data; Add dhcp-client;
+      migrate to OpenConfig types modules; Removed or
+      renamed opstate values";
+    reference "2.0.0";
+  }
+
+  revision "2016-12-22" {
+    description
+      "Fixes to Ethernet interfaces model";
+    reference "1.1.0";
+  }
+
+  // extension statements
+
+  // feature statements
+
+  // identity statements
+
+  identity ETHERNET_SPEED {
+    description "base type to specify available Ethernet link
+    speeds";
+  }
+
+  identity SPEED_10MB {
+    base ETHERNET_SPEED;
+    description "10 Mbps Ethernet";
+  }
+
+  identity SPEED_100MB {
+    base ETHERNET_SPEED;
+    description "100 Mbps Ethernet";
+  }
+
+  identity SPEED_1GB {
+    base ETHERNET_SPEED;
+    description "1 GBps Ethernet";
+  }
+
+  identity SPEED_10GB {
+    base ETHERNET_SPEED;
+    description "10 GBps Ethernet";
+  }
+
+  identity SPEED_25GB {
+    base ETHERNET_SPEED;
+    description "25 GBps Ethernet";
+  }
+
+  identity SPEED_40GB {
+    base ETHERNET_SPEED;
+    description "40 GBps Ethernet";
+  }
+
+  identity SPEED_50GB {
+    base ETHERNET_SPEED;
+    description "50 GBps Ethernet";
+  }
+
+  identity SPEED_100GB {
+    base ETHERNET_SPEED;
+    description "100 GBps Ethernet";
+  }
+
+  identity SPEED_UNKNOWN {
+    base ETHERNET_SPEED;
+    description
+      "Interface speed is unknown.  Systems may report
+      speed UNKNOWN when an interface is down or unpopuplated (e.g.,
+      pluggable not present).";
+  }
+
+  // typedef statements
+
+
+  // grouping statements
+
+  grouping ethernet-interface-config {
+    description "Configuration items for Ethernet interfaces";
+
+    leaf mac-address {
+      type oc-yang:mac-address;
+      description
+        "Assigns a MAC address to the Ethernet interface.  If not
+        specified, the corresponding operational state leaf is
+        expected to show the system-assigned MAC address.";
+    }
+
+    leaf auto-negotiate {
+      type boolean;
+      default true;
+      description
+        "Set to TRUE to request the interface to auto-negotiate
+        transmission parameters with its peer interface.  When
+        set to FALSE, the transmission parameters are specified
+        manually.";
+      reference
+        "IEEE 802.3-2012 auto-negotiation transmission parameters";
+    }
+
+    leaf duplex-mode {
+      type enumeration {
+        enum FULL {
+          description "Full duplex mode";
+        }
+        enum HALF {
+          description "Half duplex mode";
+        }
+      }
+      description
+        "When auto-negotiate is TRUE, this optionally sets the
+        duplex mode that will be advertised to the peer.  If
+        unspecified, the interface should negotiate the duplex mode
+        directly (typically full-duplex).  When auto-negotiate is
+        FALSE, this sets the duplex mode on the interface directly.";
+    }
+
+    leaf port-speed {
+      type identityref {
+        base ETHERNET_SPEED;
+      }
+      description
+        "When auto-negotiate is TRUE, this optionally sets the
+        port-speed mode that will be advertised to the peer for
+        negotiation.  If unspecified, it is expected that the
+        interface will select the highest speed available based on
+        negotiation.  When auto-negotiate is set to FALSE, sets the
+        link speed to a fixed value -- supported values are defined
+        by ETHERNET_SPEED identities";
+    }
+
+    leaf enable-flow-control {
+      type boolean;
+      default false;
+      description
+        "Enable or disable flow control for this interface.
+        Ethernet flow control is a mechanism by which a receiver
+        may send PAUSE frames to a sender to stop transmission for
+        a specified time.
+
+        This setting should override auto-negotiated flow control
+        settings.  If left unspecified, and auto-negotiate is TRUE,
+        flow control mode is negotiated with the peer interface.";
+      reference
+        "IEEE 802.3x";
+    }
+  }
+
+  grouping ethernet-interface-state-counters {
+    description
+      "Ethernet-specific counters and statistics";
+
+    // ingress counters
+
+    leaf in-mac-control-frames {
+      type oc-yang:counter64;
+      description
+        "MAC layer control frames received on the interface";
+    }
+
+    leaf in-mac-pause-frames {
+      type oc-yang:counter64;
+      description
+        "MAC layer PAUSE frames received on the interface";
+    }
+
+    leaf in-oversize-frames {
+      type oc-yang:counter64;
+      description
+        "Number of oversize frames received on the interface";
+    }
+
+    leaf in-jabber-frames {
+      type oc-yang:counter64;
+      description
+        "Number of jabber frames received on the
+        interface.  Jabber frames are typically defined as oversize
+        frames which also have a bad CRC.  Implementations may use
+        slightly different definitions of what constitutes a jabber
+        frame.  Often indicative of a NIC hardware problem.";
+    }
+
+    leaf in-fragment-frames {
+      type oc-yang:counter64;
+      description
+        "Number of fragment frames received on the interface.";
+    }
+
+    leaf in-8021q-frames {
+      type oc-yang:counter64;
+      description
+        "Number of 802.1q tagged frames received on the interface";
+    }
+
+    leaf in-crc-errors {
+      type oc-yang:counter64;
+      description
+        "Number of receive error events due to FCS/CRC check
+        failure";
+    }
+
+    // egress counters
+
+    leaf out-mac-control-frames {
+      type oc-yang:counter64;
+      description
+        "MAC layer control frames sent on the interface";
+    }
+
+    leaf out-mac-pause-frames {
+      type oc-yang:counter64;
+      description
+        "MAC layer PAUSE frames sent on the interface";
+    }
+
+    leaf out-8021q-frames {
+      type oc-yang:counter64;
+      description
+        "Number of 802.1q tagged frames sent on the interface";
+    }
+  }
+
+  grouping ethernet-interface-state {
+    description
+      "Grouping for defining Ethernet-specific operational state";
+
+    leaf hw-mac-address {
+      type oc-yang:mac-address;
+      description
+        "Represenets the 'burned-in',  or system-assigned, MAC
+        address for the Ethernet interface.";
+    }
+
+    leaf negotiated-duplex-mode {
+      type enumeration {
+        enum FULL {
+          description "Full duplex mode";
+        }
+        enum HALF {
+          description "Half duplex mode";
+        }
+      }
+      description
+        "When auto-negotiate is set to TRUE, and the interface has
+        completed auto-negotiation with the remote peer, this value
+        shows the duplex mode that has been negotiated.";
+    }
+
+    leaf negotiated-port-speed {
+      type identityref {
+        base ETHERNET_SPEED;
+      }
+      description
+        "When auto-negotiate is set to TRUE, and the interface has
+        completed auto-negotiation with the remote peer, this value
+        shows the interface speed that has been negotiated.";
+    }
+
+    container counters {
+      description "Ethernet interface counters";
+
+      uses ethernet-interface-state-counters;
+
+    }
+
+  }
+
+  // data definition statements
+
+  grouping ethernet-top {
+    description "top-level Ethernet config and state containers";
+
+    container ethernet {
+      description
+        "Top-level container for ethernet configuration
+        and state";
+
+      container config {
+        description "Configuration data for ethernet interfaces";
+
+        uses ethernet-interface-config;
+
+      }
+
+      container state {
+
+        config false;
+        description "State variables for Ethernet interfaces";
+
+        uses ethernet-interface-config;
+        uses ethernet-interface-state;
+
+      }
+
+    }
+  }
+
+  // augment statements
+
+  augment "/oc-if:interfaces/oc-if:interface" {
+    description "Adds addtional Ethernet-specific configuration to
+    interfaces model";
+
+    uses ethernet-top {
+      when "oc-if:state/oc-if:type = 'ift:ethernetCsmacd'" {
+      description "Additional interface configuration parameters when
+      the interface type is Ethernet";
+      }
+    }
+  }
+
+  // rpc statements
+
+  // notification statements
+
+}