diff --git a/ryu/ofproto/ether.py b/ryu/ofproto/ether.py
new file mode 100644
index 00000000..747de7fe
--- /dev/null
+++ b/ryu/ofproto/ether.py
@@ -0,0 +1,22 @@
+# Copyright (C) 2012 Nippon Telegraph and Telephone Corporation.
+#
+# 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.
+
+
+ETH_TYPE_IP = 0x0800
+ETH_TYPE_ARP = 0x0806
+ETH_TYPE_8021Q = 0x8100
+ETH_TYPE_IPV6 = 0x86dd
+ETH_TYPE_MPLS = 0x8847
+ETH_TYPE_SLOW = 0x8809