using System;  using System.Collections.Generic;  using System.Linq;  using System.Text;  using System.Net;      namespace ConsoleApplication1  {      class Program      {          static void Main(string[] args)          {              System.Net.NetworkInformation.Ping p = new System.Net.NetworkInformation.Ping();              System.Net.NetworkInformation.PingOptions option = new System.Net.NetworkInformation.PingOptions();              option.DontFragment = true;              string data = "123456789";              byte[] buffer = Encoding.ASCII.GetBytes(data);                  int timeout = 1000;              for (int i = 0; i < 1000; i++)              {                  System.Net.NetworkInformation.PingReply reply = p.Send("kcs001", timeout);                  Console.WriteLine(reply.Status.ToString());              }          }                  }  }