While running the script "rsvp_large.tcl", I get the following error after a couple of seconds of simulation. _o16: no target for slot -1 What is the problem and how do I solve it? My environment: OS: Redhat Linux 6.1 NS: ns-allinone-2.1b6 - Andreas __________________________________________________ Do You Yahoo!? Talk to your friends online with Yahoo! Messenger. http://im.yahoo.com