Hi, I am using NS and am trying to read in a trace file as my traffic object. My trace file looks like this 976 1267 300 100 120 34 110 56 340 345 ..... ... .. etc. I am unable to read in this as a trace file, can U please tell me what I should do to be able to read in this file. Bye Sujatha Balaraman. Graduate Student. Dept. Of Computer Science Univ. of California, Davis. CA 95616.