diff --git a/nbproject/Makefile-Debug.mk b/nbproject/Makefile-Debug.mk
index aa76813..6eeb954 100644
--- a/nbproject/Makefile-Debug.mk
+++ b/nbproject/Makefile-Debug.mk
@@ -36,6 +36,7 @@ OBJECTDIR=${CND_BUILDDIR}/${CND_CONF}/${CND_PLATFORM}
 # Object Files
 OBJECTFILES= \
 	${OBJECTDIR}/src/PduSender.o \
+	${OBJECTDIR}/src/PduSniffer.o \
 	${OBJECTDIR}/src/main.o \
 	${OBJECTDIR}/src/map/NatRange.o \
 	${OBJECTDIR}/src/map/natmap.o
@@ -76,6 +77,11 @@ ${OBJECTDIR}/src/PduSender.o: src/PduSender.cpp
 	${RM} "$@.d"
 	$(COMPILE.cc) -g -Wall -std=c++11 -MMD -MP -MF "$@.d" -o ${OBJECTDIR}/src/PduSender.o src/PduSender.cpp
 
+${OBJECTDIR}/src/PduSniffer.o: src/PduSniffer.cpp 
+	${MKDIR} -p ${OBJECTDIR}/src
+	${RM} "$@.d"
+	$(COMPILE.cc) -g -Wall -std=c++11 -MMD -MP -MF "$@.d" -o ${OBJECTDIR}/src/PduSniffer.o src/PduSniffer.cpp
+
 ${OBJECTDIR}/src/main.o: src/main.cpp 
 	${MKDIR} -p ${OBJECTDIR}/src
 	${RM} "$@.d"
@@ -126,6 +132,19 @@ ${OBJECTDIR}/src/PduSender_nomain.o: ${OBJECTDIR}/src/PduSender.o src/PduSender.
 	    ${CP} ${OBJECTDIR}/src/PduSender.o ${OBJECTDIR}/src/PduSender_nomain.o;\
 	fi
 
+${OBJECTDIR}/src/PduSniffer_nomain.o: ${OBJECTDIR}/src/PduSniffer.o src/PduSniffer.cpp 
+	${MKDIR} -p ${OBJECTDIR}/src
+	@NMOUTPUT=`${NM} ${OBJECTDIR}/src/PduSniffer.o`; \
+	if (echo "$$NMOUTPUT" | ${GREP} '|main$$') || \
+	   (echo "$$NMOUTPUT" | ${GREP} 'T main$$') || \
+	   (echo "$$NMOUTPUT" | ${GREP} 'T _main$$'); \
+	then  \
+	    ${RM} "$@.d";\
+	    $(COMPILE.cc) -g -Wall -std=c++11 -Dmain=__nomain -MMD -MP -MF "$@.d" -o ${OBJECTDIR}/src/PduSniffer_nomain.o src/PduSniffer.cpp;\
+	else  \
+	    ${CP} ${OBJECTDIR}/src/PduSniffer.o ${OBJECTDIR}/src/PduSniffer_nomain.o;\
+	fi
+
 ${OBJECTDIR}/src/main_nomain.o: ${OBJECTDIR}/src/main.o src/main.cpp 
 	${MKDIR} -p ${OBJECTDIR}/src
 	@NMOUTPUT=`${NM} ${OBJECTDIR}/src/main.o`; \
diff --git a/nbproject/Makefile-Release.mk b/nbproject/Makefile-Release.mk
index 84063e1..554cc2e 100644
--- a/nbproject/Makefile-Release.mk
+++ b/nbproject/Makefile-Release.mk
@@ -36,6 +36,7 @@ OBJECTDIR=${CND_BUILDDIR}/${CND_CONF}/${CND_PLATFORM}
 # Object Files
 OBJECTFILES= \
 	${OBJECTDIR}/src/PduSender.o \
+	${OBJECTDIR}/src/PduSniffer.o \
 	${OBJECTDIR}/src/main.o \
 	${OBJECTDIR}/src/map/NatRange.o \
 	${OBJECTDIR}/src/map/natmap.o
@@ -76,6 +77,11 @@ ${OBJECTDIR}/src/PduSender.o: src/PduSender.cpp
 	${RM} "$@.d"
 	$(COMPILE.cc) -O2 -MMD -MP -MF "$@.d" -o ${OBJECTDIR}/src/PduSender.o src/PduSender.cpp
 
+${OBJECTDIR}/src/PduSniffer.o: src/PduSniffer.cpp 
+	${MKDIR} -p ${OBJECTDIR}/src
+	${RM} "$@.d"
+	$(COMPILE.cc) -O2 -MMD -MP -MF "$@.d" -o ${OBJECTDIR}/src/PduSniffer.o src/PduSniffer.cpp
+
 ${OBJECTDIR}/src/main.o: src/main.cpp 
 	${MKDIR} -p ${OBJECTDIR}/src
 	${RM} "$@.d"
@@ -126,6 +132,19 @@ ${OBJECTDIR}/src/PduSender_nomain.o: ${OBJECTDIR}/src/PduSender.o src/PduSender.
 	    ${CP} ${OBJECTDIR}/src/PduSender.o ${OBJECTDIR}/src/PduSender_nomain.o;\
 	fi
 
+${OBJECTDIR}/src/PduSniffer_nomain.o: ${OBJECTDIR}/src/PduSniffer.o src/PduSniffer.cpp 
+	${MKDIR} -p ${OBJECTDIR}/src
+	@NMOUTPUT=`${NM} ${OBJECTDIR}/src/PduSniffer.o`; \
+	if (echo "$$NMOUTPUT" | ${GREP} '|main$$') || \
+	   (echo "$$NMOUTPUT" | ${GREP} 'T main$$') || \
+	   (echo "$$NMOUTPUT" | ${GREP} 'T _main$$'); \
+	then  \
+	    ${RM} "$@.d";\
+	    $(COMPILE.cc) -O2 -Dmain=__nomain -MMD -MP -MF "$@.d" -o ${OBJECTDIR}/src/PduSniffer_nomain.o src/PduSniffer.cpp;\
+	else  \
+	    ${CP} ${OBJECTDIR}/src/PduSniffer.o ${OBJECTDIR}/src/PduSniffer_nomain.o;\
+	fi
+
 ${OBJECTDIR}/src/main_nomain.o: ${OBJECTDIR}/src/main.o src/main.cpp 
 	${MKDIR} -p ${OBJECTDIR}/src
 	@NMOUTPUT=`${NM} ${OBJECTDIR}/src/main.o`; \
diff --git a/nbproject/Makefile-Unitest.mk b/nbproject/Makefile-Unitest.mk
index 20ed031..aa716f9 100644
--- a/nbproject/Makefile-Unitest.mk
+++ b/nbproject/Makefile-Unitest.mk
@@ -36,6 +36,7 @@ OBJECTDIR=${CND_BUILDDIR}/${CND_CONF}/${CND_PLATFORM}
 # Object Files
 OBJECTFILES= \
 	${OBJECTDIR}/src/PduSender.o \
+	${OBJECTDIR}/src/PduSniffer.o \
 	${OBJECTDIR}/src/main.o \
 	${OBJECTDIR}/src/map/NatRange.o \
 	${OBJECTDIR}/src/map/natmap.o
@@ -76,6 +77,11 @@ ${OBJECTDIR}/src/PduSender.o: src/PduSender.cpp
 	${RM} "$@.d"
 	$(COMPILE.cc) -g -Itest -std=c++11 -MMD -MP -MF "$@.d" -o ${OBJECTDIR}/src/PduSender.o src/PduSender.cpp
 
+${OBJECTDIR}/src/PduSniffer.o: src/PduSniffer.cpp 
+	${MKDIR} -p ${OBJECTDIR}/src
+	${RM} "$@.d"
+	$(COMPILE.cc) -g -Itest -std=c++11 -MMD -MP -MF "$@.d" -o ${OBJECTDIR}/src/PduSniffer.o src/PduSniffer.cpp
+
 ${OBJECTDIR}/src/main.o: src/main.cpp 
 	${MKDIR} -p ${OBJECTDIR}/src
 	${RM} "$@.d"
@@ -126,6 +132,19 @@ ${OBJECTDIR}/src/PduSender_nomain.o: ${OBJECTDIR}/src/PduSender.o src/PduSender.
 	    ${CP} ${OBJECTDIR}/src/PduSender.o ${OBJECTDIR}/src/PduSender_nomain.o;\
 	fi
 
+${OBJECTDIR}/src/PduSniffer_nomain.o: ${OBJECTDIR}/src/PduSniffer.o src/PduSniffer.cpp 
+	${MKDIR} -p ${OBJECTDIR}/src
+	@NMOUTPUT=`${NM} ${OBJECTDIR}/src/PduSniffer.o`; \
+	if (echo "$$NMOUTPUT" | ${GREP} '|main$$') || \
+	   (echo "$$NMOUTPUT" | ${GREP} 'T main$$') || \
+	   (echo "$$NMOUTPUT" | ${GREP} 'T _main$$'); \
+	then  \
+	    ${RM} "$@.d";\
+	    $(COMPILE.cc) -g -Itest -std=c++11 -Dmain=__nomain -MMD -MP -MF "$@.d" -o ${OBJECTDIR}/src/PduSniffer_nomain.o src/PduSniffer.cpp;\
+	else  \
+	    ${CP} ${OBJECTDIR}/src/PduSniffer.o ${OBJECTDIR}/src/PduSniffer_nomain.o;\
+	fi
+
 ${OBJECTDIR}/src/main_nomain.o: ${OBJECTDIR}/src/main.o src/main.cpp 
 	${MKDIR} -p ${OBJECTDIR}/src
 	@NMOUTPUT=`${NM} ${OBJECTDIR}/src/main.o`; \
diff --git a/nbproject/configurations.xml b/nbproject/configurations.xml
index a82e7fb..ab6086a 100644
--- a/nbproject/configurations.xml
+++ b/nbproject/configurations.xml
@@ -9,6 +9,7 @@
       </logicalFolder>
       <itemPath>src/map/NatRange.h</itemPath>
       <itemPath>src/PduSender.h</itemPath>
+      <itemPath>src/PduSniffer.h</itemPath>
     </logicalFolder>
     <logicalFolder name="ResourceFiles"
                    displayName="Resource Files"
@@ -22,6 +23,7 @@
       </logicalFolder>
       <itemPath>src/map/NatRange.cpp</itemPath>
       <itemPath>src/PduSender.cpp</itemPath>
+      <itemPath>src/PduSniffer.cpp</itemPath>
       <itemPath>src/main.cpp</itemPath>
     </logicalFolder>
     <logicalFolder name="TestFiles"
@@ -85,6 +87,10 @@
       </item>
       <item path="src/PduSender.h" ex="false" tool="3" flavor2="0">
       </item>
+      <item path="src/PduSniffer.cpp" ex="false" tool="1" flavor2="0">
+      </item>
+      <item path="src/PduSniffer.h" ex="false" tool="3" flavor2="0">
+      </item>
       <item path="src/main.cpp" ex="false" tool="1" flavor2="0">
       </item>
       <item path="src/map/NatRange.cpp" ex="false" tool="1" flavor2="0">
@@ -146,6 +152,10 @@
       </item>
       <item path="src/PduSender.h" ex="false" tool="3" flavor2="0">
       </item>
+      <item path="src/PduSniffer.cpp" ex="false" tool="1" flavor2="0">
+      </item>
+      <item path="src/PduSniffer.h" ex="false" tool="3" flavor2="0">
+      </item>
       <item path="src/main.cpp" ex="false" tool="1" flavor2="0">
       </item>
       <item path="src/map/NatRange.cpp" ex="false" tool="1" flavor2="0">
@@ -201,6 +211,10 @@
       </item>
       <item path="src/PduSender.h" ex="false" tool="3" flavor2="0">
       </item>
+      <item path="src/PduSniffer.cpp" ex="false" tool="1" flavor2="0">
+      </item>
+      <item path="src/PduSniffer.h" ex="false" tool="3" flavor2="0">
+      </item>
       <item path="src/main.cpp" ex="false" tool="1" flavor2="0">
       </item>
       <item path="src/map/NatRange.cpp" ex="false" tool="1" flavor2="0">
diff --git a/src/PduSniffer.cpp b/src/PduSniffer.cpp
new file mode 100644
index 0000000..f1a05d7
--- /dev/null
+++ b/src/PduSniffer.cpp
@@ -0,0 +1,67 @@
+/* 
+ * File:   PduSniffer.cpp
+ * Author: dev
+ * 
+ * Created on 29. September 2015, 21:29
+ */
+
+#include "PduSniffer.h"
+
+namespace otonat {
+
+    PduSniffer::PduSniffer(NatMap * map) {
+        this->map = map;
+        this->isRunnig = false;
+        config.set_promisc_mode(true);
+        config.set_immediate_mode(true);
+    }
+
+    PduSniffer::PduSniffer(const PduSniffer& orig) : snifferList(orig.snifferList), config(orig.config) {
+        this->map = orig.map;
+        this->isRunnig = orig.isRunnig;
+    }
+
+    PduSniffer::~PduSniffer() {
+        Stop();
+        for (Tins::Sniffer * sniffer : snifferList) {
+            delete sniffer;
+        }
+        
+        this->snifferList.clear();
+    }
+
+    PduSniffer& PduSniffer::operator=(const PduSniffer& rhs) {
+        if (this == &rhs) return *this; // handle self assignment
+
+        this->map = rhs.map;
+        this->isRunnig = rhs.isRunnig;
+        this->config = rhs.config;
+        this->snifferList = rhs.snifferList;
+        return *this;
+    }
+
+    bool PduSniffer::sniffPdu(const Tins::PDU& pdu) {
+        this->map->pushPduToIncommingPduQueue(pdu.clone());
+        return this->isRunnig;
+    }
+
+    void PduSniffer::Start() {
+        this->isRunnig = true;
+    }
+
+    void PduSniffer::Stop() {
+        this->isRunnig = false;
+    }
+    
+    void PduSniffer::SniffInterface(const Tins::NetworkInterface & interface) {
+        Start();
+        Tins::Sniffer * sniffer = new Tins::Sniffer(interface.name(), config);
+        sniffer->sniff_loop(std::bind(&PduSniffer::sniffPdu, this,  std::placeholders::_1));
+        this->snifferList.push_back(sniffer);
+    }
+    
+    std::thread *  PduSniffer::SniffInterfaceInNewThread(const Tins::NetworkInterface& interface){
+        std::thread * newThread = new std::thread(std::bind(&PduSniffer::SniffInterface, this,  interface));
+        return newThread;
+    }
+}
\ No newline at end of file
diff --git a/src/PduSniffer.h b/src/PduSniffer.h
new file mode 100644
index 0000000..942c81c
--- /dev/null
+++ b/src/PduSniffer.h
@@ -0,0 +1,40 @@
+/* 
+ * File:   PduSniffer.h
+ * Author: dev
+ *
+ * Created on 29. September 2015, 21:29
+ */
+
+#ifndef PDUSNIFFER_H
+#define	PDUSNIFFER_H
+
+#include "map/natmap.h"
+#include <tins/tins.h>
+#include <thread>
+
+namespace otonat {
+
+    class PduSniffer {
+    public:
+        typedef std::vector<Tins::Sniffer *> SnifferList;
+        
+        PduSniffer(NatMap * map);
+        PduSniffer(const PduSniffer& orig);
+        PduSniffer& operator=(const PduSniffer& rhs);
+        virtual ~PduSniffer();
+        void SniffInterface(const Tins::NetworkInterface & interface);
+        std::thread * SniffInterfaceInNewThread(const Tins::NetworkInterface & interface);
+        void Start();
+        void Stop();
+    private:
+        SnifferList snifferList;
+        NatMap * map;
+        Tins::SnifferConfiguration config;
+        bool isRunnig;
+        bool sniffPdu(const Tins::PDU &pdu);
+    };
+
+}
+
+#endif	/* PDUSNIFFER_H */
+