Re: [8023-POEP] 2 Event Classification state diagram
John,
Good question.
Technically, I don't think the .afPD would be called
an .atPD. But it does seem possible that an .afPD
could participate in the layer 2 classification.
clay
--- "Jetzt, John J (John)" <jetzt@xxxxxxxxx> wrote:
> Does this mean that an afPD could become an atPD by
> means of a software upgrade?
>
> Then, if the PSE is an atPSE, the upgraded afPD
> could benefit from reclassification.
>
> John
>
> -----Original Message-----
> From: owner-stds-802-3-poep@xxxxxxxx
> [mailto:owner-stds-802-3-poep@xxxxxxxx]On Behalf Of
> Clay Stanford (LTC)
> Sent: Thursday, July 13, 2006 12:48 PM
> To: STDS-802-3-POEP@xxxxxxxxxxxxxxxxx
> Subject: Re: [8023-POEP] 2 Event Classification
> state diagram
>
>
> QUESTION:
> >In slide 4, when atPSE sees 1-1, 2-2, etc, the
> atPSE
> > assumes an afPD.
> >
> > But if an atPD wanted, for example, to request
> > 3.84W, does the atPD use the class 1-1?
> >
> > In that case how does the atPSE know that the PD
> is
> > an atPD and not an afPD?
>
> ANSWER:
> Yes, an .atPD that wants 3.84, 6.49, or 12.95W would
> use 1-1, 2-2, or 3-3 respectively.
>
> In this case, the .atPSE does not know the .atPD is
> in
> fact an .atPD. It thinks it is an .afPD. (The
> .atPD
> does know the PSE is an .atPSE.)
>
> Subsequently, if the .atPSE desires to use layer 2
> classificaiton, it would need to poll the PD to see
> if
> it responds. (Alternately, the .atPD could announce
> to the PSE that it is an .atPD.)
>
> clay
>
>
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