sending and receiving data from ethernet

hi all,

I am doing school project of reading and writing data using TCP or UDP. but, i am not able test this.

always i am getting an warning as, "the specified amount of data was not returned within the time"

what should i do to solve out this?

as i have developed,

 u=udp('192.168.1.1',80);
 fopen(u);
 fwrite(u,1:5);
 fclose(u);

chinny.

[Walter Roberson]

To confirm: even though you are not reading any data, it is still complaining about data not being returned within the time? Or did you also have something that tried to read a response?

[Walter Roberson]

Is this the same question as http://www.mathworks.co.uk/matlabcentral/answers/38811-difference-between-embedded-matlab-and-simulink ?