private void cleanARPTable(){

		GregorianCalendar tempTime = new GregorianCalendar();

		tempTime.add(Calendar.MINUTE,-2);

		Iterator it =  ARPTable.iterator();

		

		while(it.hasNext()){

			ARPTableEntry tempEntry = (ARPTableEntry)it.next();

			GregorianCalendar entryTime = tempEntry.getEntryTime();

			if(entryTime.getTimeInMillis()<tempTime.getTimeInMillis()){

				if(tempEntry.getIPAddress().equals(mLastIpRequest)){

					mLastIpRequest = "0.0.0.0";

				}				

				if(tempEntry.getEntryType().contains("Dynamic")) it.remove();				

			}			

		}		

	}