From: Rob Clav (robclav@gmail.com)
Date: Sun Nov 02 2008 - 13:57:48 ARST
Hi,
You are thinking only from the point of view of traffic send it from
r1 to r2. This traffic will be properly shaped with all the
information configured at R1 and depending on Frame relay congestions
feedbacks received. This traffic when arrives to r2 if burst over then
could be dropped by r2.
Now, think about traffic leaving R2 to R1, this traffic will be shaped
or not? If nothing configured at R2 frame-relay interface then you
will drop a lot of traffic trying to enter at R1 by one hand.
By other hand, the task states that in case of congestion the minimum
rate should be 32k, so now think about traffic from R2 without mincir
configuration if it has adaptative-shaping configured, it could change
the rate below 32k, because you don't expecified in case of fr
congestion, which one is the minimum rate to transmit to R1.
---eth0----R1<--------------FR
network<----------R2<--------eth0-------(Paquets going to R1)
lowest rate 32k lowest rate 0k
FR -adaptative Fr-adaptative
low rate allowed 32k rate sent it, 20k for
instance, because you don't have any low threshold.
Br,
Roberto Clavero
2008/11/2 aet Blr <getaet@ymail.com>:
> Hi Is it not applicable to be I mean we are configuring be only in R1 so
> R2 is going to drop traffic sent by R1 with be
>
> --- On Sun, 11/2/08, aet Blr <getaet@ymail.com> wrote:
> From: aet Blr <getaet@ymail.com>
> Subject: Re: Soup to Nuts Qos section lab no 14 t
> To: robclav@gmail.com
> Cc: ccielab@groupstudy.com
> Date: Sunday, November 2, 2008, 3:08 PM
>
> --- On Sun, 11/2/08, Rob Clav <robclav@gmail.com> wrote:
> From: Rob Clav <robclav@gmail.com>
> Subject: Re: Soup to Nuts Qos section lab no 14 t
> To: "aet Blr" <getaet@ymail.com>
> Date: Sunday, November 2, 2008, 2:21 PM
>
> I have no access to these labs, but It make sense that you need to
> configure cir and mincir at R2 to mantain at least mincir when sending
> traffic. Otherwise R2 can drop the average down of mincir configured
> at R1.
> hope this help,
> Roberto
>
> 2008/11/2 aet Blr <getaet@ymail.com>:
>> In Narbiks Soup to Nuts Qos section lab no 14 the task states
>> " R1 should be able to busrst above 64 kbps if there are no
> congestion,
>> however if congestion occurs , it should drop its rate down to 32 kbps
> "
>>
>>
>> In solution in R1 bc , be , mincir is configured properly , &
>> in R2 bc & mincir configuration is done . My doubt is that why we
> need
>> bc & mincir configuration in R2 ?
>>
>>
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