Re: legacy FRTS ?

yeah in this case CIR, Bc, Mincir shud be configured.!

On Wed, Oct 28, 2009 at 3:08 AM, Ivan <ivanzghr_at_gmail.com> wrote:

> I think i got it...i mean i think that the task itself answers my doubt
> (correct me if I'm wrong). Task says AR=128kbps and this router should be
> able to burst up to its AR. So, I think that Be is not an issue here and it
> is not asked to be configured either. This part "router should be able to
> burst up to its AR" actually says that CIR=AR, right?
>
> On Tue, Oct 27, 2009 at 10:21 PM, Divin Mathew John <divinjohn_at_gmail.com
> >wrote:
>
> > R1#sh traffic-shape
> >
> > Interface Se0/0
> > Access Target Byte Sustain Excess Interval Increment
> > Adapt
> > VC List Rate Limit bits/int bits/int (ms) (bytes)
> > Active
> > 501 128000 4000 16000 16000 125 2000 -
> > 502 128000 4000 16000 16000 125 2000 -
> >
> > thats with AR=256kbps .
> >
> > On Wed, Oct 28, 2009 at 2:41 AM, Divin Mathew John <divinjohn_at_gmail.com
> >wrote:
> >
> >> yeah i guess so!
> >>
> >>
> >> On Wed, Oct 28, 2009 at 2:38 AM, Ivan <ivanzghr_at_gmail.com> wrote:
> >>
> >>> 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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