diff --git a/src/encoding/nfd-constants.hpp b/src/encoding/nfd-constants.hpp
new file mode 100644
index 0000000..54794bb
--- /dev/null
+++ b/src/encoding/nfd-constants.hpp
@@ -0,0 +1,50 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (c) 2013-2014 Regents of the University of California.
+ *
+ * This file is part of ndn-cxx library (NDN C++ library with eXperimental eXtensions).
+ *
+ * ndn-cxx library is free software: you can redistribute it and/or modify it under the
+ * terms of the GNU Lesser General Public License as published by the Free Software
+ * Foundation, either version 3 of the License, or (at your option) any later version.
+ *
+ * ndn-cxx library is distributed in the hope that it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
+ * PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more details.
+ *
+ * You should have received copies of the GNU General Public License and GNU Lesser
+ * General Public License along with ndn-cxx, e.g., in COPYING.md file.  If not, see
+ * <http://www.gnu.org/licenses/>.
+ *
+ * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
+ */
+
+#ifndef NDN_ENCODING_NFD_CONSTANTS_HPP
+#define NDN_ENCODING_NFD_CONSTANTS_HPP
+
+namespace ndn {
+namespace nfd {
+
+static const uint64_t INVALID_FACE_ID = std::numeric_limits<uint64_t>::max();
+
+/**
+ * \ingroup management
+ */
+enum {
+  // route origin
+  ROUTE_ORIGIN_APP      = 0,
+  ROUTE_ORIGIN_AUTOREG  = 64,
+  ROUTE_ORIGIN_CLIENT   = 65,
+  ROUTE_ORIGIN_AUTOCONF = 66,
+  ROUTE_ORIGIN_NLSR     = 128,
+  ROUTE_ORIGIN_STATIC   = 255,
+
+  // route inheritance flags
+  ROUTE_FLAG_CHILD_INHERIT = 1,
+  ROUTE_FLAG_CAPTURE       = 2
+};
+
+} // namespace nfd
+} // namespace ndn
+
+#endif // NDN_ENCODING_NFD_CONSTANTS_HPP
diff --git a/src/encoding/tlv-nfd.hpp b/src/encoding/tlv-nfd.hpp
index ba00cad..3cde88b 100644
--- a/src/encoding/tlv-nfd.hpp
+++ b/src/encoding/tlv-nfd.hpp
@@ -23,6 +23,7 @@
 #define NDN_ENCODING_TLV_NFD_HPP
 
 #include "../common.hpp"
+#include "nfd-constants.hpp"
 
 namespace ndn {
 namespace tlv {
@@ -94,13 +95,6 @@
 
 } // namespace nfd
 } // namespace tlv
-
-namespace nfd {
-
-static const uint64_t INVALID_FACE_ID = std::numeric_limits<uint64_t>::max();
-
-} // namespace nfd
-
 } // namespace ndn
 
 #endif // NDN_ENCODING_TLV_NFD_HPP