Hi, check the archive. The bandwidth of a link you can change during a simulation as follows: $ns at $time "$ns bandwidth $node1 $node2 $newBandwidth duplex" Regards, Onno Andreas Huber wrote: > Hello ! > ****** > > Is it possible to change the link Parameters during a > simulation ? (bandwidth, delay) > > How can I do this ? > > Sincerely yours > > Andreas !