From: Jai Chauhan (jai.ccie@gmail.com)
Date: Thu May 08 2008 - 11:37:35 ART
Hi!
*Average* and *peak *are types of distributed traffic shaping. When *shape
average* is configured, the interface sends no more than the Bc size for
each interval, achieving an average rate no higher than the CIR. When
the *shape
peak* command is configured, the interface sends Bc plus Be bits in each
interval.
if you use shape average 3M, so it means that minimum shaping is 3 M ( you
should buy 3 M from the ISP)
if you use shape peak 1.5M with Be=Bc , it means that minimum is 1.5 M but
you can get max if link is free up to 3 M , but in this case you buy 1.5 M
from the ISP , and any extra traffic maybe dropped ( over the 1.5 M)
Please see the following links:
*Distributed Traffic Shaping *
http://www.cisco.com/en/US/docs/ios/12_2/qos/configuration/guide/qcfpolsh.html#wp1004234
*Configuring Class-Based Shaping *
http://www.cisco.com/en/US/docs/ios/12_2/qos/configuration/guide/qcfcbshp.html#wp1002798
Regards,
*-Jai*
On 5/8/08, ccie <ccie@just-horizon.com> wrote:
>
> Dear GS,
>
> What would be the difference between
>
>
>
> Shape average 128
>
> Vs.
>
> Shape peak 128
>
>
>
> Regards,
>
> Amin
>
>
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