From: Carlos G Mendioroz (tron@huapi.ba.ar)
Date: Thu Aug 12 2004 - 19:07:28 GMT-3
Brian,
the lab asks for allowing busrsting up to AR but it does not say for how
much time...
So the default of 0 is wrong, but it seems to me that anything over
AR-CIR * Tc should be right. The solution guide is not clear about that...
Brian McGahan wrote:
> By "There is no default Be value" it means the default is zero.
>
> Brian McGahan, CCIE #8593
> bmcgahan@internetworkexpert.com
>
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>>-----Original Message-----
>>From: nobody@groupstudy.com [mailto:nobody@groupstudy.com] On Behalf
>
> Of
>
>>Georg Pauwen
>>Sent: Wednesday, August 11, 2004 7:09 AM
>>To: tron@huapi.ba.ar; ccielab@groupstudy.com
>>Subject: RE: IEWB Lab1 - 9.6 - Be calculation
>>
>>Hello Carlos,
>>
>>AFAIK there is no default for the Be. Check this explanation from
>>Internetworkexpert:
>>
>>The amount of Be credits is derived from unused Bc credits in previous
>>intervals. There is no limit to how long Be can store unused Bc
>
> credits.
>
>>It
>>is a common misconception that Be can only store credits from the
>
> previous
>
>>interval or the previous second.
>>There is no default Be value.
>>
>>Regards,
>>
>>Georg
>>
>>
>>
>>>From: Carlos G Mendioroz <tron@huapi.ba.ar>
>>>Reply-To: Carlos G Mendioroz <tron@huapi.ba.ar>
>>>To: Group Study <ccielab@groupstudy.com>
>>>Subject: IEWB Lab1 - 9.6 - Be calculation
>>>Date: Wed, 11 Aug 2004 08:43:32 -0300
>>>
>>>Requirement ask for setting traffic shapping given AR/CIR/minCIR
>>
> using
>
>>BECN
>>
>>>"backof" (adaptive shapping).
>>>
>>>The sol guide indicates that it is a missconception that Be is to be
>>>applied in only one Tc, but then go with a formula for calculating it
>>
>>(Be)
>>
>>>that is based in that...
>>>
>>>Is there a cisco source that would imply that (AR - CIR) * Tc should
>>
> be
>
>>>used if no other data is available ?
>>>
>>>--
>>>Carlos G Mendioroz <tron@huapi.ba.ar> LW7 EQI Argentina
>>>
>>
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-- Carlos G Mendioroz <tron@huapi.ba.ar>
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