diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/l2monitoring/cfm/MepEntry.java b/incubator/api/src/main/java/org/onosproject/incubator/net/l2monitoring/cfm/MepEntry.java
new file mode 100644
index 0000000..5259ec6
--- /dev/null
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/l2monitoring/cfm/MepEntry.java
@@ -0,0 +1,187 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.incubator.net.l2monitoring.cfm;
+
+import java.util.Collection;
+
+import org.onlab.packet.MacAddress;
+import org.onosproject.incubator.net.l2monitoring.cfm.service.CfmConfigException;
+import org.onosproject.incubator.net.l2monitoring.soam.delay.DelayMeasurementEntry;
+import org.onosproject.incubator.net.l2monitoring.soam.loss.LossMeasurementEntry;
+
+/**
+ * An extension of the Mep interface to represent the state attributes.
+ *
+ */
+public interface MepEntry extends Mep {
+    /**
+     * Get the MAC address of the MEP.
+     *
+     * @return The MAC address of the MEP
+     */
+    MacAddress macAddress();
+
+    /**
+     * Get the state of the MEPs Fault Notification Generator.
+     *
+     * @return The state of the MEPs Fault Notification Generator
+     */
+    FngState fngState();
+
+    /**
+     * Get the highest-priority defect that has been present since last FNG reset.
+     * @return The highest-priority defect
+     */
+    FaultDefectType getHighestPriorityDefect();
+
+    /**
+     * Get flag indicating that some other MEP in this MEP’s MA is transmitting the RDI bit.
+     * @return true or false
+     */
+    boolean activeRdiCcmDefect();
+
+    /**
+     * Get flag indicating that a Port Status or Interface Status TLV is indicating an error condition.
+     * @return true or false
+     */
+    boolean activeMacStatusDefect();
+
+    /**
+     * Get flag indicating that CCMs are not being received from at least one of the configured remote MEPs.
+     * @return true or false
+     */
+    boolean activeRemoteCcmDefect();
+
+    /**
+     * Get flag indicating that erroneous CCMs are being received from some MEP in this MEP’s MA.
+     * @return true or false
+     */
+    boolean activeErrorCcmDefect();
+
+    /**
+     * Get flag indicating indicating that CCMs are being received from a MEP that could be in some other MA.
+     * @return true or false
+     */
+    boolean activeXconCcmDefect();
+
+    /**
+     * The last-received CCM that triggered a DEF_ERROR_CCM fault.
+     *
+     * @return An array of bytes (length 1-1522) containing the CCM
+     */
+    byte[] lastErrorCcm();
+
+    /**
+     * The last-received CCM that triggered a DEF_XCON_CCM fault.
+     *
+     * @return An array of bytes (length 1-1522) containing the CCM
+     */
+    byte[] lastXconCcm();
+
+    /**
+     * Get the total number of out-of-sequence CCMs received.
+     * @return The total number of out-of-sequence CCMs received
+     */
+    int ccmSequenceErrorCount();
+
+    /**
+     * Get the total number of CCMs transmitted.
+     * @return The total number of CCMs transmitted
+     */
+    int totalCcmsTransmitted();
+
+    /**
+     * Get the collection of attributes related to loopback.
+     * @return An object with loopback attributes
+     */
+    MepLbEntry loopbackAttributes();
+
+    /**
+     * Get the collection of attributes related to linktrace.
+     * @return An object with linktrace attributes
+     */
+    MepLtEntry linktraceAttributes();
+
+    /**
+     * Get the list of active Remote MEPs.
+     * @return A list of remote MEPs including their states
+     */
+    Collection<RemoteMepEntry> activeRemoteMepList();
+
+    /**
+     * Get the list of Delay Measurements for this MEP.
+     * @return A list of the Delay Measurements including their states
+     */
+    Collection<DelayMeasurementEntry> delayMeasurementList();
+
+    /**
+     * Get the list of Loss Measurements for this MEP.
+     * @return A list of the Loss Measurements including their states
+     */
+    Collection<LossMeasurementEntry> lossMeasurementList();
+
+    /**
+     * States of Fault Notification Generator.
+     */
+    public enum FngState {
+        FNG_RESET,
+        FNG_DEFECT,
+        FNG_REPORT_DEFECT,
+        FNG_DEFECT_REPORTED,
+        FNG_DEFECT_CLEARING
+    }
+
+    /**
+     * Builder for {@link org.onosproject.incubator.net.l2monitoring.cfm.MepEntry}.
+     */
+    interface MepEntryBuilder extends MepBuilder {
+        MepEntryBuilder macAddress(MacAddress macAddress);
+
+        MepEntryBuilder fngState(FngState fngState);
+
+        MepEntryBuilder highestPriorityDefect(FaultDefectType highestPriorityDefect);
+
+        MepEntryBuilder activeRdiCcmDefect(boolean activeRdiCcmDefect);
+
+        MepEntryBuilder activeMacStatusDefect(boolean activeMacStatusDefect);
+
+        MepEntryBuilder activeRemoteCcmDefect(boolean activeRemoteCcmDefect);
+
+        MepEntryBuilder activeErrorCcmDefect(boolean activeErrorCcmDefect);
+
+        MepEntryBuilder activeXconCcmDefect(boolean activeXconCcmDefect);
+
+        MepEntryBuilder lastErrorCcm(byte[] lastErrorCcm);
+
+        MepEntryBuilder lastXconCcm(byte[] lastXconCcm);
+
+        MepEntryBuilder ccmSequenceErrorCount(int ccmSequenceErrorCount);
+
+        MepEntryBuilder totalCcmsTransmitted(int totalCcmsTransmitted);
+
+        MepEntryBuilder loopbackAttributes(MepLbEntry loopbackAttributes);
+
+        MepEntryBuilder linktraceAttributes(MepLtEntry linktraceAttributes);
+
+        MepEntryBuilder addToActiveRemoteMepList(RemoteMepEntry activeRemoteMep);
+
+        MepEntryBuilder addToDelayMeasurementList(DelayMeasurementEntry delayMeasurement);
+
+        MepEntryBuilder addToLossMeasurementList(LossMeasurementEntry lossMeasurement);
+
+        MepEntry buildEntry() throws CfmConfigException;
+    }
+}