madhub/dotnetipv4nipv6.md

## dotnetipv4nipv6.md

      
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              dotnetipv4nipv6.md
            
          
    Supporting IPv4 and IPv6 dual mode network with one socket
// TCP Server
var listener = new TcpListener(new IPEndPoint(IPAddress.IPv6Any, 8080));
listener.Server.DualMode = true;
listener.Start();

// TCP Client
var client = new TcpClient(AddressFamily.InterNetworkV6);
client.Client.DualMode = true;
await client.ConnectAsync("127.0.0.1", port: 8080);

// UDP Server
var listener = new UdpClient(AddressFamily.InterNetworkV6);
listener.Client.DualMode = true;
listener.Client.Bind(new IPEndPoint(IPAddress.IPv6Any, 8080));

// UDP Client
var client = new UdpClient(AddressFamily.InterNetworkV6);
client.Client.DualMode = true;
client.Connect("127.0.0.1", port : 8080);