diff --git a/src/route/nlsr_npte.cpp b/src/route/nlsr_npte.cpp
new file mode 100644
index 0000000..60013ff
--- /dev/null
+++ b/src/route/nlsr_npte.cpp
@@ -0,0 +1,83 @@
+#include <list>
+#include <utility>
+#include "nlsr_npte.hpp"
+#include "nlsr_rte.hpp"
+#include "nlsr_nexthop.hpp"
+
+namespace nlsr
+{
+
+    using namespace std;
+
+    void
+    Npte::generateNhlfromRteList()
+    {
+        nhl.resetNhl();
+        for( std::list<RoutingTableEntry>::iterator it=rteList.begin();
+                it != rteList.end(); ++it )
+        {
+            for(std::list< NextHop >::iterator nhit=(*it).getNhl().getNextHopList().begin();
+                    nhit != (*it).getNhl().getNextHopList().end(); ++nhit)
+            {
+                nhl.addNextHop((*nhit));
+            }
+        }
+    }
+
+
+
+    static bool
+    rteCompare(RoutingTableEntry& rte, string& destRouter)
+    {
+        return rte.getDestination()==destRouter;
+    }
+
+    void
+    Npte::removeRoutingTableEntry(RoutingTableEntry& rte)
+    {
+        std::list<RoutingTableEntry >::iterator it = std::find_if( rteList.begin(),
+                rteList.end(),
+                bind(&rteCompare, _1, rte.getDestination()));
+        if ( it != rteList.end() )
+        {
+            rteList.erase(it);
+        }
+    }
+
+    void
+    Npte::addRoutingTableEntry(RoutingTableEntry &rte)
+    {
+        std::list<RoutingTableEntry >::iterator it = std::find_if( rteList.begin(),
+                rteList.end(),
+                bind(&rteCompare, _1, rte.getDestination()));
+        if ( it == rteList.end() )
+        {
+            rteList.push_back(rte);
+        }
+        else
+        {
+            (*it).getNhl().resetNhl(); // reseting existing routing table's next hop
+            for(std::list< NextHop >::iterator nhit=rte.getNhl().getNextHopList().begin();
+                    nhit != rte.getNhl().getNextHopList().end(); ++nhit)
+            {
+                (*it).getNhl().addNextHop((*nhit));
+            }
+        }
+    }
+
+//debugging purpose
+    ostream&
+    operator<<(ostream& os, Npte& npte)
+    {
+        os<<"Name: "<<npte.getNamePrefix()<<endl;
+        std::list<RoutingTableEntry> rteList=npte.getRteList();
+        for(std::list<RoutingTableEntry >::iterator it=rteList.begin();
+                it !=rteList.end(); ++it)
+        {
+            cout<<(*it);
+        }
+        os<<npte.getNhl();
+        return os;
+    }
+
+}//namespace nlsr