SSH Connection Failure (when setting up a connection for the second time): Session operation has timed out #1049

private static string h = string.Empty;
private static string u = string.Empty;
private static string p = string.Empty;

public static void RunTest(string DeviceName, string userName, string pswd)
{
    h = DeviceName;
    u = userName;
    p = pswd;
    
    ConnectionInfo ConnInfo = new ConnectionInfo(h, 22, u, new AuthenticationMethod[]
    {
        new PasswordAuthenticationMethod(u, p),
    });
    
    using (var client = new SshClient(ConnInfo))
    {
        client.Connect();
        using (var stream = client.CreateShellStream("", 80, 40, 80, 40, 1024))
        {
            // Run command
            command = "<Command 1>";
            stream.WriteLine(command);
    
            command = "<Command 2>";
            stream.WriteLine(command);
            ...
            command = "<Command 20>";
            stream.WriteLine(command);
    
            // Read Output
            output = stream.Read();
    
            // Print Output
            ...
    
            stream.Dispose();
        }
    
        client.Disconnect();
        client.Dispose();
    }

}