PcapWriter pwr = new PcapWriter("capture2.pcap");

Zitm zitm = new Zitm();

zitm.InPacketFilters.Add(
    (Input packet_input) =>
    {
        pwr.AppendPacket(packet_input);
        return packet_input;
    });

zitm.OutPacketFilters.Add(
     (Input packet_input) =>
     {
         pwr.AppendPacket(packet_input);
         return packet_input;
     }
);

zitm.StartListener(
   new System.Net.IPEndPoint(
      IPAddress.Parse("192.168.1.55"), 1194));