1. Anonymous
   Unregistered

   Hi, Currently, Im writting a part of program in C# that is use to determind which PC in my network in down and therefore I have to ping them inorder to test the connectivity. To simplify the process, I have to ping all machines at one go. For example, the range of IP addresses in my network in from 192.168.1.1 till 192.168.1.100. After pinging all of them, I have to print out at the console screen that which hosts are up and which of them are down. I may have to add all IP addresses in a array and start pinging them one by one. How do I determind which are the successfully ones? Can you please kindly advise me on where to start? Warmest regards, Keng Yiam

   Posted 4 years ago #

2. Anonymous
   Unregistered

   What part of the program are you writing in C#? If you get a response, before the timeout from the host, it will tell you how long it took to reply. Then you can tell if it is up or not. You probably want to put some tolerance in the program, so if it drops 5 packets in a row, then it says the machine is down. Because once in a while, a packet will be lost.

   Posted 4 years ago #

3. Anonymous
   Unregistered

   Hi, I will write every line of code using C#. How do I get a response from the program? Is there any example of tutorial on this topic? Thanks

   Posted 4 years ago #

4. Anonymous
   Unregistered

   Check this out.. http://www.c-sharpcorner.com/network/ping.asp

   Posted 4 years ago #

5. Anonymous
   Unregistered

   two listbox one button First using System.Net; using System.Diagnostics; write in www-address in listBox1 private void button1_Click(object sender, System.EventArgs e) { Process myYttre; string sida = ""; sida = textBox1.Text; string IPNummer = ""; IPHostEntry IPHost = Dns.Resolve(sida); //ops sida Console.WriteLine(IPHost.HostName); IPAddress[] addr = IPHost.AddressList; for(int i= 0; i < addr.Length ; i++) { IPNummer += addr[i].ToString(); } textBox2.Text = IPNummer; myYttre = Process.Start(sida); }

   Posted 4 years ago #

6. Aice_22
   Member

   Try this, the method pings an ip address where the ip address is in the form of a string, you'll have to modify it a little to deal with responses and stick in a loop to cycle through the ip range

   http://randomiam.net/About.aspx?tutname=17

   Posted 7 months ago #

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