[ns] How can see ERR message in the trace?

[deng qianhua]

Hi,
The delay information is not what I want.
Since the type "ERR" is defined in cmu-trace.h , I think there must be some
method to configure the scenario to get ERR in trace file.
I really appreciate your help.
Thanks.

2008/6/20, Basim Javed <basimjaved at gmail.com>:
>
> hello
> i think u will not see any ERR packets...but try to notice the delays
> in packets...it should increase for more error rates.
> b
>
> On Thu, Jun 19, 2008 at 5:35 PM, deng qianhua <deng.qianhua at gmail.com>
> wrote:
> >
> > Hi all,
> > In my simulation, I used TwoStateMarkov error model to simulate the  link
> > errors of 802.11 adhoc network.But my problem is not being able to see
> "-Nw
> > ERR" in ns-2 trace. I turned on all traces but I could not see any ERR
> > message in trace. I saw RET DUP BSY COL  . When I changed (increased )
> the
> > rate I saw more RET. I think it is because after exceeding the retry
> limit
> > a corrupted packet is discarded and denoted as RET . Even if I let the
> retry
> > limit equal 0, no "ERR" appears in trace file.
> >
> > How Can I see ERR message in the trace. I really appreciate your help.
> >
> > Would you help me about this ? please.
> >
> > Best Regards
> > Deng
> >
>