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I would agree
for ipt packet stats on jitter, latecy,
p loss and rtt
i would look into saa / ip-sla ios features
if your utilizing cisco as your route.switch vendor
avaya phones can report stats as well
in conjunction with their sig appliance
otherwise, i find it rather unscientific
to rely on ethereal time fields for exactness - their is some ambiguities
look into the rttmon mib
ethereal-users-bounces@xxxxxxxxxxxx wrote on 08/15/2006
09:03:11 AM:
> -------------------
> The Ethereal project is being continued at a new site. Please
go to
> http://www.wireshark.org and subscribe to wireshark-users@xxxxxxxxxxxxx.
> Don't forget to unsubscribe from this list at
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> -------------------
>
> Hi,
>
> I dont really understand your situation and input and output, however,
> I dont think you can get the delay from Ethereal or any one-side
> monitoring tool.
> You can ping the remote host and get the RTT.
> Divide it by two and thats your delay.
> (If you know a better way to measure it, please please tell me.)
>
> You can, however, measure the jitter by comparing the inter-arrival
> time of each packet.
> Comparing the arrival time is not real delay variation (because it
is
> not delay that you are comparing) but it can give you the picture
of
> jitter.
> There is a paper discussing this. Check out:
> http://carmen.cselt.it/papers/iss2000-ipdv/paper/ipdv.html
>
> Cheers,
> Isara Anantavrasilp
>
>
>
>
>
> On 8/1/06, Joby James -X (jobjames - WIPRO at Cisco)
> <jobjames@xxxxxxxxx> wrote:
> > -------------------
> > The Ethereal project is being continued at a new site. Please
go to
> > http://www.wireshark.org and subscribe to wireshark-users@xxxxxxxxxxxxx.
> > Don't forget to unsubscribe from this list at
> > http://www.ethereal.com/mailman/listinfo/ethereal-users
> > -------------------
> >
> >
> >
> >
> >
> > Hi All,
> > I am using /usr/local/bin/tethereal
> >
> > "tethereal 0.10.0a
> > Compiled with GLib 1.2.10, with libpcap 0.8.IOU, with libz 1.1.3,
> > with libpcre 4.3, with UCD-SNMP 4.2.6, without ADNS.
> > Running with libpcap version 0.8 on SunOS 5.8"
> >
> > I want to grep some packets from test equipment to a Router and
need to find
> > out the jitter & delay.
> > What are the optional parameters I can give to get Packet, Sequence,
Delta
> > (ms), Jitter (ms), IP BW (kbps), Length
> >
> > To find out the delay how do I do that???? What are the optional
parameters
> > we should give to get the following output?
> >
> > OUTPUT 88.88.101.11, 3.3.3.2, RTP Payload
type=ITU-T G.711 PCMU,
> > SSRC=2078566856, Seq=27592, Time=2943916440 delay:0.253
> > INPUT 2.2.2.2, 88.88.101.11, RTP, Payload type=ITU-T G.711
PCMU,
> > SSRC=2078566856, Seq=27593, Time=2943916600
> >
> > Thanks and regards,
> > Joby James ___________________________
> > W i p r o Technologies
> >
Applying Thought
> > #8, 7th Main, 1st Block
> > Koramangala,
> > Bangalore-560034
> > Mobile: +91-9880 696590
> > http://www.wipro.com
> > ___________________________
> >
> >
> >
> >
> > _______________________________________________
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> > Ethereal-users@xxxxxxxxxxxx
> > http://www.ethereal.com/mailman/listinfo/ethereal-users
> >
> >
> >
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