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RE: Packet Sampling in Cisco and Juniper Gears




> -----Original Message-----
> From: owner-psamp@ops.ietf.org [mailto:owner-psamp@ops.ietf.org]On
> Behalf Of Stas Khirman
> Sent: domenica 9 maggio 2004 0.17
> To: Benoit Claise
> Cc: psamp@ops.ietf.org
> Subject: RE: Packet Sampling in Cisco and Juniper Gears
>
>
> Benoit and all,
>
> Thank you for responses, but it's seen that I failed in my
> initial question
> description.
>
> Yes, Juniper and [high end] Cisco gears are supporting randomly sampled
> NetFlow and some other statistics.
>
> But do they support export of the packet samples? I mean random
> capture and
> export of the partial packet snapshots (header+part of payload) in the
> manner similar to sFlow?

Cisco Catalyst 9000 exports complete packets (you have to apply a sampling
mechianism on the collector size, if you want).
However, this device is able to capture only the packets that goes through
the supervisor card.

	fulvio

>
> Regards
> Stas
>
> > -----Original Message-----
> > From: Benoit Claise [mailto:bclaise@cisco.com]
> > Sent: Saturday, May 08, 2004 12:59 PM
> > To: Stas Khirman
> > Cc: psamp@ops.ietf.org
> > Subject: Re: Packet Sampling in Cisco and Juniper Gears
> >
> >
> > Stas,
> >
> > >Do Cisco and Juniper gears support some form of packet sampling?
> > >
> > Yes for Cisco: systematic count based sampling and random count based
> > sampling.
> >
> > Regards, Benoit
> >
> > >I had
> > >checked Juniper documentation and it mention packet sampling fro cFlowD
> > >(Netflow) and file dumping , but it is seen to deal only with L3/L4
> > >headers only. Does Cisco and/or Juniper support sFlow or something
> > >similar??
> > >
> > >Regards
> > >Stas
> > >
> > >
> > >--
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> > >
> > >
> >
>
>
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