title: Is it possible to filter TCP retranmission packet in tcpdump?
body: <p>I am trying to see TCP retransmission packet in tcpdump.</p>
  
  <p>I find commands to filter sync packet, ACK packet but could not able to find filter of retransmitted packet</p>
  
  <p>Is there any command for filter such packets.</p>
  
  <p>Thanks in advance.</p>