Re: OT: RTP Stream Analysis and Reporting

Thanks Andrew but I'm dealing with previously captured MPEG II video
streams - analysis will be totally offline and after the fact. Nice
to know about call quality stats availability via IOS, though! ;-)

On Apr 20, 2011, at 8:25 , ALL From_NJ wrote:

> Hey team,
>
> I have not tried to export this, and I would think that SNMP or some
> other method can collect these.
>
> You can get call quality stats from the router, if you are using
> dial peers.
>
> http://www.cisco.com/en/US/partner/docs/ios/voice/cube/configuration/guide/vb-gw-config_ps10591_TSD_Products_Configuration_Guide_Chapter.html
>
> Look up media monitoring. You have to configure this under the dial-
> peer and under the voice service section. Will get you MOS scores,
> delay, lost packets, etc ...
>
> HTH,
>
> Andrew
>
>
> On Wed, Apr 20, 2011 at 5:45 PM, Adam Booth <adam.booth_at_gmail.com>
> wrote:
> Hi Scott,
>
> I would suggest that you need to see if you can obtain this data via
> the
> built in scripting capability using Lua -
> http://www.wireshark.org/docs/wsug_html_chunked/wsluarm.html I have
> to warn
> you that there isn't a great deal of tutorial data available but it
> may be
> handy. Alternatively in the past I have had to do a two step
> process with
> exporting the packet dump from wireshark to a plain text file and then
> parsing it with a script to pull the relevant data of interest
> together to
> create a report. This can be helpful if you want to do a packet
> analysis
> but don't want to have to do reassembly yourself.
>
> Cheers,
> Adam
>
>
> On Thu, Apr 21, 2011 at 4:00 AM, Scott M Vermillion <scott_at_it-
> ag.com> wrote:
>
> > All:
> >
> > I have recently captured quite a large volume of RTP traffic using
> > Wireshark and am searching for a way to generate some decent
> reporting
> > against the trace files. Wireshark itself allows for some
> analysis via:
> >
> > Telephony->RTP->Stream Analysis
> >
> > However, other than saving the raw line-by-line statistics to
> a .csv file,
> > there doesn't appear to be any rich reporting capability. In the
> analysis
> > window, I see summary information as follows:
> >
> > Max delta = 16.75 ms at packet no. 328593
> > Max jitter = 0.66 ms. Mean jitter = 0.12 ms.
> > Max skew = -6.45 ms.
> > Total RTP packets = 404234 (expected 404234) Lost RTP packets
> = 0
> > (0.00%) Sequence errors = 0
> > Duration 600.00 s (-5 ms clock drift, corresponding to 89999 Hz
> (-0.00%)
> >
> > None of this is exported to the .csv file. My goal is to provide
> a client
> > with a succinct report of these captured RTP streams (MPEG-II). In
> > particular "Lost RTP packets" and "Sequence errors" are of
> interest. I
> > evaluated Cascade Pilot from Cace Tech but they seem slanted
> towards TCP in
> > their reporting capabilities. Anybody know of a trick in
> Wireshark or some
> > other product that I can leverage for this purpose (short of doing
> a bunch
> > of screen capture)?
> >
> > Thanks much,
> >
> > Scott
> >
> >
> > Blogs and organic groups at http://www.ccie.net
> >
> >
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>
>
>
>
>
>
>
> --
> Andrew Lee Lissitz
> all.from.nj_at_gmail.com

Blogs and organic groups at http://www.ccie.net
Received on Thu Apr 21 2011 - 10:37:59 ART