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Re: [ns] create-trace
try
$ns drop-target $r0 $r1 [$ns create-trace Drop $d $r0 $r1]
VINEET KUMAR GUPTA
B-TECH PART-IV
DEPTT. OF COMP. SC. AND ENGG.
INSTITUTE OF TECHNOLOGY
BANARAS HINDU UNIVERSITY
VARANASI , INDIA
On Wed, 28 Jun 2000, Tarik Alj wrote:
> $ns trace-queue $n1 $n2 $file will trace the queueing events (+, -, d) between
> n1 and n2 and write them to file. Then you could post process with awk :
>
> # very basic counter.
> {
> if ($1 == "d") x++;
> }
> END {
> print x;
> }
>
>
> >Date: Tue, 27 Jun 2000 07:25:31 -0500 (CDT)
> >From: Smitha Rao <[email protected]>
> >To: [email protected]
> >Subject: [ns] create-trace
> >MIME-Version: 1.0
> >
> >Hi,
> >Could someone give me a simple tcl code that traces the packets that are
> >dropped at q queue between 2 routers?
> >The documentation says that on should use
> >
> >$ns create-trace Drop $d $r0 $r1
> >
> >where d is the file handle and r0 and r1 are the routers
> >
> >what does this return and how shud it be used? doing just this gives and
> >empty file with no data
> >thanks
> >smitha
> >
>
> Tarik
>
>