title: How to use C# to set the linkspeed and duplex mode of designated Network Adapter
body: <p><img src="https://i.stack.imgur.com/M0of7.jpg" alt="enter image description here"></p>
  
  <p>Just like the screenshot, I want to use C# to set the Link Speed and Duplex mode for Network adapters. For example, change the settings from Auto Negotiation to 10 Mbps Half Duplex.  </p>
  
  <p>Could you please point me out that how to start?</p>
  
  <p>Thanks</p>
  
  <p>SuT</p>