diff --git a/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/BgpErrorType.java b/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/BgpErrorType.java
new file mode 100644
index 0000000..c0932eb
--- /dev/null
+++ b/bgp/bgpio/src/main/java/org/onosproject/bgpio/types/BgpErrorType.java
@@ -0,0 +1,74 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * 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.bgpio.types;
+
+/**
+ * BgpErrorType class defines all errorCodes and error Subcodes required for Notification message.
+ */
+public final class BgpErrorType {
+    private BgpErrorType() {
+    }
+
+    //Error Codes
+    public static final byte MESSAGE_HEADER_ERROR = 1;
+    public static final byte OPEN_MESSAGE_ERROR = 2;
+    public static final byte UPDATE_MESSAGE_ERROR = 3;
+    public static final byte HOLD_TIMER_EXPIRED = 4;
+    public static final byte FINITE_STATE_MACHINE_ERROR = 5;
+    public static final byte CEASE = 6;
+
+    //Message Header Error subcodes
+    public static final byte CONNECTION_NOT_SYNCHRONIZED = 1;
+    public static final byte BAD_MESSAGE_LENGTH = 2;
+    public static final byte BAD_MESSAGE_TYPE = 3;
+
+    //OPEN Message Error subcodes
+    public static final byte UNSUPPORTED_VERSION_NUMBER = 1;
+    public static final byte BAD_PEER_AS = 2;
+    public static final byte BAD_BGP_IDENTIFIER = 3;
+    public static final byte UNSUPPORTED_OPTIONAL_PARAMETER = 4;
+    public static final byte UNACCEPTABLE_HOLD_TIME = 5;
+    public static final byte UNSUPPORTED_CAPABILITY = 7;
+
+    //UPDATE Message Error subcodes
+    public static final byte MALFORMED_ATTRIBUTE_LIST = 1;
+    public static final byte UNRECOGNIZED_WELLKNOWN_ATTRIBUTE = 2;
+    public static final byte MISSING_WELLKNOWN_ATTRIBUTE = 3;
+    public static final byte ATTRIBUTE_FLAGS_ERROR = 4;
+    public static final byte ATTRIBUTE_LENGTH_ERROR = 5;
+    public static final byte INVALID_ORIGIN_ATTRIBUTE = 6;
+    public static final byte INVALID_NEXTHOP_ATTRIBUTE = 8;
+    public static final byte OPTIONAL_ATTRIBUTE_ERROR = 9;
+    public static final byte INVALID_NETWORK_FIELD = 10;
+    public static final byte MALFORMED_ASPATH = 11;
+
+    //FSM  Error subcodes
+    public static final byte UNSPECIFIED_ERROR = 0;
+    public static final byte RECEIVE_UNEXPECTED_MESSAGE_IN_OPENSENT_STATE = 1;
+    public static final byte RECEIVE_UNEXPECTED_MESSAGE_IN_OPENCONFIRM_STATE = 2;
+    public static final byte RECEIVE_UNEXPECTED_MESSAGE_IN_ESTABLISHED_STATE = 3;
+
+    //Cease  Error subcodes
+    public static final byte MAXIMUM_NUMBER_OF_PREFIXES_REACHED = 1;
+    public static final byte ADMINISTRATIVE_SHUTDOWN = 2;
+    public static final byte PEER_DECONFIGURED = 3;
+    public static final byte ADMINISTRATIVE_RESET = 4;
+    public static final byte CONNECTION_REJECTED = 5;
+    public static final byte OTHER_CONFIGURATION_CHANGE = 6;
+    public static final byte CONNECTION_COLLISION_RESOLUTION = 7;
+    public static final byte OUT_OF_RESOURCES = 8;
+}
\ No newline at end of file