From: Joseph Saad (joseph.samir.saad@gmail.com)
Date: Thu Mar 20 2008 - 07:36:16 ART
Hi Raul,
There's no rule to calculate PIR, it will be typically given or if not, you
can assume the clocking on the interface (AR).
However, there're "recommended" values for Bc or Be based on the CIR values.
Those values are 1.5 * CIR / 8 for Bc and 1.5 * PIR / 8 for Be. Both values
are in Bytes.
Joseph.
On Thu, Mar 20, 2008 at 2:29 PM, raul raul <juvenn@hotmail.com> wrote:
> Hi ;
>
> there is no Question on this ; i just wan to find out how to calculate PIR
> .
>
> Based on Cisco Press Qos Second edition :Page 406 This is the formula :
> BE = PIR/32 BE=BC =Default
> If i follow this formula then my cir = pir
>
> i wan to double confirm on this
>
> Anybody can explain how to calculate on PIR based on default value ?
>
>
>
>
>
>
>
> > Date: Thu, 20 Mar 2008 10:13:28 +0000> From: sadiqtanko@gmail.com> To:
> juvenn@hotmail.com> Subject: Re: QOS Two Rates> CC: ccielab@groupstudy.com>
> > HI Raul,> > First of all, how did you come to the conclusion that you
> actually> need a 2 rate policer to do the job for you?> > Anyways, if CIR is
> the only information that I had, then this is most> likely how I would go
> about it:> > Bc = CIR * Tc> Be = [BW (on the port) - CIR ] * Tc> > Maybe you
> should post the complete question and people will have a> better feel for
> what you seek> > HTH> > Sadiq> >
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