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Re: [ns] how to trace only dropped packets




On Fri, 22 Sep 2000, Fengyun Cao wrote:

> Hi all,
> 	This is my first question here :)
> 	I'm using UPD in my ns, so packets may be dropped, and that really
> concerned me. So I have to use "trace-all" and then to check for dropped
> packets in trace file. But when program grows big, the trace file grows so
> big that I/O buffer is crashed :( 
> 	What shall I do, to detect any dropped packets, yet avoid
> generating too much useless trace data?

you could try turning off tracing of other events. see tcl/lib/ and grep
for trace. You would need to recompile ns for the changes to take effect.

> 
> 
> Thanks a lot!
> 
> Fengyun  
>