From: Tom Young (gitsyoung@xxxxxxxxxxx)
Date: Thu Aug 08 2002 - 02:47:26 GMT-3
Nomally, who provide the Be,Bc, even the Tc information?
>From the F/R's provider?
And how can I set the Tc in F/R.
Thanks alot
--- Lab Candidate <labccie@yahoo.com> $B$+$i$N%a%C%;!<%8(B $B!'(B
> Mamoor and Bruce,
>
> If you multiply the available bandwidth 32000 pbs
> with the Tc value 0.125, you are not sending the
> data at the full speed that your access line and ISP
> allow, remember I said if you want to fully
> utilize the access line bandwidth, then you should
> not take Tc into account when calculating Be
> value, which is the way I said below.
>
> Mamoor, there's still nothing wrong with the CCO
> example you quoted, I take it as a personal
> choice. You definitely could make it work using
> CCO's formular.
>
> HTH.
>
>
> --- Bruce Williams <bruce@williamsnetworking.com>
> wrote:
> > If the available bandwidth is 32000, then dont we
> still need to multiply it
> > by .0125 to get the bits per Tc?
> >
>
> --- Ahmed Mamoor Amimi <mamoor@ieee.org> wrote:
> > really !! if this is obvious...
> > Then can u explain this :
> >
>
http://www.cisco.com/warp/public/125/traffic_shaping_6151.html
> >
> > AR = 192000
> > map-class frame-relay cisco
> > frame-relay cir 64000
> > frame-relay mincir 32000
> > frame-relay adaptive-shaping becn
> > frame-relay bc 8000
> > frame-relay be 16000
> >
> > see that Be = (AR-CIR) * 0.125 = (192000 - 64000)
> * 0.125 = 16000
> >
> > comments are needed .... please !!
> >
> >
>
>
> > -----Original Message-----
> > From: nobody@groupstudy.com
> [mailto:nobody@groupstudy.com]On Behalf Of
> > Lab Candidate
> > Sent: Sunday, July 14, 2002 1:03 AM
> > To: Ahmed Mamoor Amimi
> > Cc: ccielab@groupstudy.com
> > Subject: Re: FRTS want to nail it down !!
> >
> >
> > Mamoor,
> >
> > This is obvious, since you said the port speed is
> 64000 and cir is 32000,
> > if you want to utilized the most of your available
> bandwidth for burst
> > purpose, the be would be equal to port_speed minus
> cir, hence 32000 bps.
> >
> >
> >
> > I was reading the power-session 2002, here on page
> 66 they have given the
> > values like :
> >
> > Port Speed: 64000 Bps
> > CIR : 32000 Bps (Average Rate of Traffic Without
> Congestion)
> > Mincir: 16000 Bps (Average Rate of Traffic With
> Congestion)
> > Bc: 4000 Bps (Amount of Data Sent Per Interval)
> > Be: 32000 Bps (Amount of Excess Allowed Once
> Credit Has Built Up)
> >
> > interface Serial0
> > ip address 10.10.10.1 255.255.255.0
> > encapsulation frame-relay
> > frame-relay traffic-shaping
> > frame-relay class ccie
> >
> > map-class frame-relay ccie
> > frame-relay adaptive-shaping becn
> > frame-relay cir 32000
> > frame-relay mincir 16000
> > frame-relay bc 4000
> > frame-relay be 32000
> >
> > Can someone explain why Be = 32000 , why not Be =
> 32000 * 0.125 = 4000
> >
>
This archive was generated by hypermail 2.1.4 : Sat Sep 07 2002 - 19:48:20 GMT-3