private NetworkInterface getDevice() throws Exception { devices = JpcapCaptor.getDeviceList(); device = devices[0]; jpcap = JpcapCaptor.openDevice(device, 2000, false, 10000); jpcap.setFilter("ip", true); // sender = jpcap.getJpcapSenderInstance(); jpcap.loopPacket(-1, new PacketReceiverImpl()); return device; }