From: ccie2be (ccie2be@nyc.rr.com)
Date: Sat Oct 30 2004 - 11:38:48 GMT-3
You have your decimal places wrong. 62.5 = 62.5 ms = .0625 seconds. So,
make sure your units of measure are consistent ie don't use bc = 64512 bits
per interval and 62.5 seconds. It won't work.
As for the slight difference between 1032192 and 1024000, don't worry about
that. That's just rounding error.
----- Original Message -----
From: "Swaroop Potdar" <swarooppotdar@hotmail.com>
To: <ccie2be@nyc.rr.com>; <ccielab@groupstudy.com>
Sent: Saturday, October 30, 2004 10:26 AM
Subject: Re: IEWB Lab 16 - 8.1-4 QOS Doubt.
> ok but by the method u mentioned i would have 16 time intervals for the
> transmission.
>
> ie; as per the soln
>
> bc * tc = CIR
>
> 64512 /62.5 = 1032.192
>
> or even
>
> 64512 * 16 = 1032192
>
> but the data to be transmitted per second is 1024000 bits
>
>
>
>
> >From: "ccie2be" <ccie2be@nyc.rr.com>
> >To: "Swaroop Potdar" <swarooppotdar@hotmail.com>,
<ccielab@groupstudy.com>
> >Subject: Re: IEWB Lab 16 - 8.1-4 QOS Doubt.
> >Date: Sat, 30 Oct 2004 10:15:58 -0400
> >
> >-Tc is interval determined by Bc / CIR and defaults to 1/8 or .125
seconds
> >for cir's at or below 650kbps and 1/16 (or 63ms) for cir's greater than
> >650kbps. The smallest it can be is 10ms or 1/100th of a second. (See IE
> >lab
> >7, QOS tasks)
> >
> >
> >
> >
> >
> >----- Original Message -----
> >From: "Swaroop Potdar" <swarooppotdar@hotmail.com>
> >To: <ccielab@groupstudy.com>
> >Sent: Saturday, October 30, 2004 8:50 AM
> >Subject: IEWB Lab 16 - 8.1-4 QOS Doubt.
> >
> >
> > > Hi Team,
> > >
> > > I had a query regarding the question 8. (section QOS ) in IEWB lab 16.
> > >
> > > I didnt understand the values given in the solution guide.
> > >
> > > R3 is the hub and R4 and R5 are the spokes R3 has a E1 capacity and
the
> > > requirement says that we should use the half of that for each circuit
> > > between the spokes, with fram relay traffic shaping and we should
burst
> >upto
> > > 75% of the access rate if there is accumulated credit using default TC
> >fo
> > > rthe CIR.
> > >
> > > so with that on the spokes..the configuration looks llike below on
each
> >of
> > > the spokes:
> > >
> > > map-class frame-relay CIR
> > > frame-relay cir 1024000
> > > frame-relay bc 64512
> > > frame-relay be 32256
> > >
> > >
> > > Now the question is the default TC is 125 ms which gives a BC of
128000
> > >
> > > but the solution looks different: your all inputs would be valuable.
> > >
> > >
> > > Thanks in advance,
> > >
> > > Swaroop.
> > >
> > > _________________________________________________________________
> > > Sell your old furniture.
> > > http://ads2.baazee.com/cgi-bin/banners/redirect.pl?id=1124
> >Electronics,books
> > > or even your car.
> > >
> > >
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