Hi, Vincent, Read NS manual, Ch 21.6 for how to use Random command in NS Vincent Loo wrote: > hello Enrique, Huan and all, > > i saw this on the ns-list and i was wondering how to use this "done" script, as i want to do the same delaying effect. > > and can i ask how to do the RNG in ns? cos i don't follow the RNG example. > > thanks