[ns] hello message

hi Actually I am working on aodv by using ns2.34 Sorry for asking u a very simple question.I already study the aodv.cc and aodv.h But did u notice that the send hello and receive hello of this protocol is not working? Because i got try to add a printf statement inside send hello and receive

[ns] hello message

hi, how can I display the Hello message in trace file when simulating AODV? thkx fatma