Hi, I am learning ns tutorial at http://www-mash.cs.berkeley.edu/ns/tutorial/ The question is I can use nam to watch the result of .nam file. but how can I watch the result of .tr file ? I just want to know the result of .tr file. cheers Xiaoyan Zhu ________________________________________________________________________ Get Your Private, Free E-mail from MSN Hotmail at http://www.hotmail.com