title: I am trying to replay a pcap file that someone else captured for me (Im assuming they used tcpdump)
body: <p>Linux command: </p>
  
  <pre><code>tcpreplay -i replay -L 60000 -p 1000 20160627-ssmon01.pcap
  </code></pre>
  
  <p>Output:</p>
  
  <pre><code>sending out replay
  processing file: 20160627-080001-ssmon01-napa0.pcap
  
  Fatal Error: Error opening pcap file: unknown file format
  </code></pre>
  
  <p>I do not understand why this is happening? Can anyone help me out?</p>