diff --git a/model/ndn-l3-protocol.cc b/model/ndn-l3-protocol.cc
index 86002e3..372df77 100644
--- a/model/ndn-l3-protocol.cc
+++ b/model/ndn-l3-protocol.cc
@@ -51,9 +51,24 @@
 
 const uint16_t L3Protocol::ETHERNET_FRAME_TYPE = 0x7777;
 
+uint64_t L3Protocol::s_interestCounter = 0;
+uint64_t L3Protocol::s_dataCounter = 0;
 
 NS_OBJECT_ENSURE_REGISTERED (L3Protocol);
 
+uint64_t
+L3Protocol::GetInterestCounter ()
+{
+  return s_interestCounter;
+}
+
+uint64_t
+L3Protocol::GetDataCounter ()
+{
+  return s_dataCounter;
+}
+
+
 TypeId 
 L3Protocol::GetTypeId (void)
 {
@@ -240,6 +255,7 @@
         {
         case HeaderHelper::INTEREST:
           {
+            s_interestCounter ++;
             Ptr<InterestHeader> header = Create<InterestHeader> ();
 
             // Deserialization. Exception may be thrown
@@ -255,6 +271,7 @@
           }
         case HeaderHelper::CONTENT_OBJECT:
           {
+            s_dataCounter ++;
             Ptr<ContentObjectHeader> header = Create<ContentObjectHeader> ();
             
             static ContentObjectTail contentObjectTrailer; //there is no data in this object
diff --git a/model/ndn-l3-protocol.h b/model/ndn-l3-protocol.h
index 25dfd39..40278d6 100644
--- a/model/ndn-l3-protocol.h
+++ b/model/ndn-l3-protocol.h
@@ -134,6 +134,12 @@
   virtual Ptr<Face>
   GetFaceByNetDevice (Ptr<NetDevice> netDevice) const;
 
+  static uint64_t
+  GetInterestCounter ();
+
+  static uint64_t
+  GetDataCounter ();
+  
 private:
   void
   Receive (const Ptr<Face> &face, const Ptr<const Packet> &p);
@@ -155,6 +161,9 @@
   uint32_t m_faceCounter; ///< \brief counter of faces. Increased every time a new face is added to the stack
   FaceList m_faces; ///< \brief list of faces that belongs to ndn stack on this node
 
+  static uint64_t s_interestCounter;
+  static uint64_t s_dataCounter;
+  
   // These objects are aggregated, but for optimization, get them here
   Ptr<Node> m_node; ///< \brief node on which ndn stack is installed
   Ptr<ForwardingStrategy> m_forwardingStrategy; ///< \brief smart pointer to the selected forwarding strategy