Hi, all:
  I found that on the trace file, only 20.0 seconds id recorded. The 
program is actually stuck in scheduler.cc file and cann't get out. Is 
it a timer related problem? Any clue?

Have nice weekend!
Robin
Quoting [EMAIL PROTECTED]:

> 
> Hello:
>    I made some modification on gpsr routing protocol and trying to do
> 
> some simulation on cbr traffic. When I run the tcl script, an error 
> occured like this:
> ns: scheduler going backwards in time from from 20.000005 to
> 0.000000
> 
>   Actually I manipulated the GPSR packet and do triangle routing.
> Each 
> path use standard gpsr. I was wondering if it is related that the 
> packet is somehow changed(but I didn't change it, all I do is to
> change 
> the source and destination address)?
> 
> Does anybody has experience on this error?
> 
> 
> Thanks
> robin 
> 
> 
> 

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