[ns] Command Function

Hello all, The manual isn't very clear (to me at least) on how, why, and when the command function of classes (any class) is used. Can anyone explain it to me better than the manual and/or give me a link to a place where it is being explained well? Thank you, Guy

[ns] Where do the packets come to the c++ from the tcl

Hi I am looking for the place in the c++ code of the mac file in ns2 for the place where the actual data packets arrive and sent Is there a place where the code starts to run (ie. main function or something)? can anyone help me? Thanks a lot Guy

[ns] How to use two version of NS2?

Hi all, I would like to use two version of NS2, and old version and a new version. I know how to install 1 version of ns. what i would like to do is, for instance to call each ns version like this in terminal/bash ns-old example.tcl and for the new ns-new example.tcl thus running