Re: legacy FRTS ?

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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