i'm studing OPNET's series products,itdicision and so on,it is a app and network performance meassure and simulation suit,but i cann't access the company's presentations,because it needs customer id and pass,i do have a copy of their products(i download from their sites ) and only use it for studing,does anyone who have the id can help me,thanks a lot.

-- jin zuren (jinzr@citiz.net), June 12, 2001