diff --git a/model/ccnx-face.cc b/model/ccnx-face.cc
new file mode 100644
index 0000000..27483b0
--- /dev/null
+++ b/model/ccnx-face.cc
@@ -0,0 +1,165 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2005,2006,2007 INRIA
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ *
+ * Author:
+ *
+ */
+
+#include "ccnx-face.h"
+
+#include "ns3/ccnx-address.h"
+#include "ns3/ccnx-l3-protocol.h"
+#include "ns3/net-device.h"
+#include "ns3/log.h"
+#include "ns3/packet.h"
+#include "ns3/node.h"
+#include "ns3/pointer.h"
+
+NS_LOG_COMPONENT_DEFINE ("CcnxFace");
+
+namespace ns3 {
+
+NS_OBJECT_ENSURE_REGISTERED (CcnxFace);
+
+TypeId 
+CcnxFace::GetTypeId (void)
+{
+  static TypeId tid = TypeId ("ns3::CcnxFace")
+    .SetParent<Object> ()
+  ;
+  return tid;
+}
+
+/** 
+ * By default, Ccnx face are created in the "down" state
+ *  with no IP addresses.  Before becoming useable, the user must 
+ * invoke SetUp on them once an Ccnx address and mask have been set.
+ */
+CcnxFace::CcnxFace () 
+  : m_ifup (false),
+    m_metric (1),
+    m_node (0), 
+    m_device (0),
+{
+  NS_LOG_FUNCTION (this);
+}
+
+CcnxFace::~CcnxFace ()
+{
+  NS_LOG_FUNCTION_NOARGS ();
+}
+
+void
+CcnxFace::DoDispose (void)
+{
+  NS_LOG_FUNCTION_NOARGS ();
+  m_node = 0;
+  m_device = 0;
+  Object::DoDispose ();
+}
+
+void 
+CcnxFace::SetNode (Ptr<Node> node)
+{
+  m_node = node;
+}
+
+void 
+CcnxFace::SetDevice (Ptr<NetDevice> device)
+{
+  m_device = device;
+}
+
+Ptr<NetDevice>
+CcnxFace::GetDevice (void) const
+{
+  return m_device;
+}
+
+void
+CcnxFace::SetMetric (uint16_t metric)
+{
+  NS_LOG_FUNCTION (metric);
+  m_metric = metric;
+}
+
+uint16_t
+CcnxFace::GetMetric (void) const
+{
+  NS_LOG_FUNCTION_NOARGS ();
+  return m_metric;
+}
+
+/**
+ * These are face states and may be distinct from 
+ * NetDevice states, such as found in real implementations
+ * (where the device may be down but face state is still up).
+ */
+bool 
+CcnxFace::IsUp (void) const
+{
+  NS_LOG_FUNCTION_NOARGS ();
+  return m_ifup;
+}
+
+bool 
+CcnxFace::IsDown (void) const
+{
+  NS_LOG_FUNCTION_NOARGS ();
+  return !m_ifup;
+}
+
+void 
+CcnxFace::SetUp (void)
+{
+  NS_LOG_FUNCTION_NOARGS ();
+  m_ifup = true;
+}
+
+void 
+CcnxFace::SetDown (void)
+{
+  NS_LOG_FUNCTION_NOARGS ();
+  m_ifup = false;
+}
+
+void
+CcnxFace::Send (Ptr<Packet> packet)
+{
+  NS_ASSERT_MSG (packet->GetSize () <= GetDevice ()->GetMtu (), 
+                 "Packet size " << packet->GetSize () << " exceeds device MTU "
+                                << GetDevice ()->GetMtu ()
+                                << " for Ccnx; fragmentation not supported");
+
+  NS_LOG_FUNCTION (*packet);
+  if (!IsUp ())
+    {
+      return;
+    }
+
+  m_device->Send (packet, m_device->GetBroadcast (), 
+                  CcnxL3Protocol::PROT_NUMBER);
+}
+
+std::ostream& operator<< (std::ostream& os, CcnxFace const& face)
+{
+  os << "dev=" << face.GetDevice ()->GetIfIndex ();
+  return os;
+}
+
+}; // namespace ns3
+