May I suggest a snippet from my own code that I use all the time?
You'll need to adjust a couple variable names to match your code, but I use names that are easy to read.
listenPort is set before calling this method, rather than hard code values into it.
I commented out the line to convert the received data to ASCII since I don't know if that applies to what you are doing.
Something to note that might help: IPAddress.Any
This way you aren't listening for messages from a specific address, but from any address. Once you know that works, you can narrow down just one address.
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public void StartListener()
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{
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IPEndPoint groupEP = new IPEndPoint(IPAddress.Any, listenPort);
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done = false;
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try
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{
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while (!done)
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{
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Console.WriteLine("Waiting for broadcast");
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if (listener != null)
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{
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byte[] bytes = listener.Receive(ref groupEP);
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string FullMsg = Encoding.Default.GetString(bytes, 0, bytes.Length);
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Console.WriteLine("Received broadcast from {0} :\n {1}\n",
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groupEP.ToString(), FullMsg);
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/*Encoding.ASCII.GetString(bytes, 0, bytes.Length));*/
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ReceivedMsg(FullMsg);// Raise and event with the message, for any class that subscribes
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}
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}
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}
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catch (Exception e)
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{
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Console.WriteLine(e.ToString());
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}
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finally
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{
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if (listener !=null) listener.Close();
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StartListener();
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}
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}
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public void StopListener()
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{
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done = true;
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}
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