diff --git a/apps/ndn-producer.cc b/apps/ndn-producer.cc
index 28c9551..4f7afc4 100644
--- a/apps/ndn-producer.cc
+++ b/apps/ndn-producer.cc
@@ -59,6 +59,10 @@
                    UintegerValue (1024),
                    MakeUintegerAccessor(&Producer::m_virtualPayloadSize),
                    MakeUintegerChecker<uint32_t>())
+    .AddAttribute ("Freshness", "Freshness of data packets, if 0, then unlimited freshness",
+                   TimeValue (Seconds (0)),
+                   MakeTimeAccessor (&Producer::m_freshness),
+                   MakeTimeChecker ())
     ;
         
   return tid;
@@ -114,6 +118,7 @@
   static ContentObjectTail tail;
   Ptr<ContentObjectHeader> header = Create<ContentObjectHeader> ();
   header->SetName (Create<NameComponents> (interest->GetName ()));
+  header->SetFreshness (m_freshness);
 
   NS_LOG_INFO ("node("<< GetNode()->GetId() <<") respodning with ContentObject:\n" << boost::cref(*header));
   
diff --git a/apps/ndn-producer.h b/apps/ndn-producer.h
index dc50ea7..dcc9581 100644
--- a/apps/ndn-producer.h
+++ b/apps/ndn-producer.h
@@ -61,6 +61,7 @@
 private:
   NameComponents m_prefix;
   uint32_t m_virtualPayloadSize;
+  Time m_freshness;
 };
 
 } // namespace ndn