OK.I know that. But in this specific task Be is 0:
Interface   Se0/1/0
       Access Target    Byte   Sustain   Excess    Interval  Increment Adapt
VC     List   Rate      Limit  bits/int  bits/int  (ms)      (bytes)
Active
402           192000    3000   24000     0         125       3000      BECN
403           192000    3000   24000     0         125       3000      BECN
405           192000    3000   24000     0         125       3000      BECN
406           192000    3000   24000     0         125       3000      BECN
401           192000    3000   24000     0         125       3000      BECN
Doesn't that mean that no burst above CIR is allowed?
On Tue, Oct 27, 2009 at 9:56 PM, Divin Mathew John <divinjohn_at_gmail.com>wrote:
> Be=(AR-CIR)*Tc
>
> AR is the line speed . Max speed the interface is capable of.
>
>
>
> On Wed, Oct 28, 2009 at 2:09 AM, Ivan <ivanzghr_at_gmail.com> wrote:
> > When the task asks you to configure FRTS and inputs are this:
> > router has an access rate (CIR) 128kbps and this router should be able to
> > burst up to its access rate unless congestion is experienced, in which
> case
> > it should down its rate, but under no circumstances this router should go
> > below 64 kbps (minCIR).
> > The answer is:
> >
> > map-class frame-relay FRTS
> >   frame cir 128000
> >   frame bc 16000
> >   frame mincir 64000
> >   frame adaptive becn
> >
> > My question is what does "router should be able to burst up to its access
> > rate unless congestion is experienced" mean? Shouldn't we use Be here?
> > Cause, here in legacy FRTS if you don't specify Be its value is 0. In
> > CB-FRTS if you don't specify Be then its value is Bc value.
> > Another thing, IOS doesn't calculate Bc value of its own Bc=CIR/8. If you
> > don't specify Bc it will be same as CIR. In real life scenario, what will
> > happened if you don't specify Bc in map-class?
> >
> >
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>
>
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>
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Received on Tue Oct 27 2009 - 22:08:33 ART
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