anchor.diff:  
   image::images/stl_streams_example_02.png[title="Example of multiple streams",align="left",width={p_width}, link="images/stl_streams_example_02.png"]
   
  -==== High level functionality - near future
  -
  -// "near future" and "roadmap" (below) are ~ same. Typically, Cisco does not document features before they're ready, but open source is a little different. We might want to find a better place to put the roadmap for the future - maybe a separate document.
  -
  -* ARP emulation - learn server MAC. Support unlimited MAC addresses per port.
   
   ==== High level functionality - Roadmap for future development
   
  
positive.code: It is possible, under service mode to ping the DUT or even a TRex port
  from the console / API.
  
  [source,bash]
  ----
  
  *TRex Console*:
  
  trex(service)>ping --help
  usage: ping [-h] --port PORT -d PING_IPV4 [-s PKT_SIZE] [-n COUNT]
  
negative.code: 
  Disabling service mode on port(s) [0, 1]:                    [SUCCESS]
  
  ----
  
  .*Example Of Switcing Between 'Service' And 'Normal' Mode-API*
  [source,Python]
  ----
  
    client.set_service_mode(ports = [0, 1], enabled = True)
    
    client.set_service_mode(ports = [0, 1], enabled = False)
  
  ----
  
  