From: yanger yu (welcommen@hotmail.com)
Date: Wed Nov 22 2006 - 10:44:24 ART
when the tc is 125 CIR is 48k. the bc should be 48000/(0.125*8)=48000.
>From: "Salman Abbas" <dukelondon@gmail.com>
>Reply-To: "Salman Abbas" <dukelondon@gmail.com>
>To: alexeim@orcsoftware.com
>CC: "ccie >> Cisco certification" <ccielab@groupstudy.com>
>Subject: Re: FR Traffic Shaping Question
>Date: Wed, 22 Nov 2006 19:56:58 +0800
>
>Hi Alexi,
>
>First of all, my heartly felicitations to you on passing the lab exam. We
>are proud of you!!!!!
>
>Coming back to my question, please have a look again and confirm the final
>answer,
>
>For the question:
>
>Configure your router's interface s0 running FR for *RATE
> LIMITING*according to the following information:
>
>maximum throughput is 128kbps
> TC is 125 ms
>
> Provider will *mark any traffic in excess* of 48kbps *as* *discard
>eligible*
> Hence, *make sure throughput changes accordingly*, but based on *BECNs
> received ONLY*.
>
>
>I would do the following configuration:
>
> > map-class frame-relay FRTS
> > frame-relay cir 48000
> > frame-relay bc 6000
> > frame-relay mincir 24000 (the question asks to configure mincir, i
>forgot
>to mention it earlier)
> > frame-relay adaptive-shaping becn
> >
> > int s0
> bandwidth 128
> > frame-relay traffic-shaping
> > frame-relay class FRTS
>
>
>
>Thanks a bunch!!!
>
>cheers,
>
>Salman
>
>On 11/22/06, Alexei Monastyrnyi <alexeim@orcsoftware.com> wrote:
> >
> > Your one seems to be right, but there is no explicit call for Be and
> > minCIR, so I wouldn't set it up, relying on defaults.
> > I would also add bandwidth 128 on inf/subinf to reflect a current AIR.
> >
> > Cheers,
> > A.
> >
> > Salman Abbas wrote:
> > > Hi Guys,
> > >
> > > Pls help in answering the following question:
> > >
> > > Configure your router's interface s0 running FR for *RATE
> > > LIMITING*according to the following information:
> > >
> > > maximum throughput (AR) is 128kbps
> > > TC is 125 ms
> > >
> > > Provider will *mark any traffic in excess* of 48kbps *as* *discard
> > eligible*
> > > Hence, *make sure throughput changes accordingly*, but based on *BECNs
> > > received ONLY*.
> > >
> > > Now taking the information mentioned above into consideration, what
> > would be
> > > my:
> > >
> > > CIR
> > > Bc
> > > Be
> > > mincir
> > >
> > > I came up with the following answer but please correct me if I'm wrong
> > >
> > > map-class frame-relay FRTS
> > > frame-relay cir 48000
> > > frame-relay bc 6000
> > > frame-relay be 10000
> > > frame-relay mincir 24000
> > > frame-relay adaptive-shaping becn
> > >
> > > int s0
> > > frame-relay traffic-shaping
> > > frame-relay class FRTS
> > >
> > >
> > > Thanks in advance,
> > >
> > > Cheers!!!
> > >
> > >
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