$ns at 50.0 "$CBR set rate_ 500k" should do it. > >Can ns dynamically varies or changes CBR rates in a simulation. > >Say the length of simulation is 100s, and I want from 0 - 50s CBR rate_ 500k. >Then at 51 - 100s CBR rate_ 1M. > >Is it possible? > > >Cheers, > >Many thanks > >Don Tarik