From: Swaroop Potdar (swarooppotdar@hotmail.com)
Date: Sat Oct 30 2004 - 12:30:39 GMT-3
well there is still one doubt...
with traffic shaping enabled...when i try to keep the cir at 1024000 without
specifying BC or BE values...and do a show traffic-shape [int]
then by default 'bc' is taken as 1024000 and there is no 'be' by deafult and
the tc = 63
i didnt get it even though it took 'tc' as 63 by default then why didnt it
take a division of
1024000/16 as the 'bc'...
can somebody help me with this...
>From: "ccie2be" <ccie2be@nyc.rr.com>
>Reply-To: "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 11:03:03 -0400
>
>Do a show traffic shape [int x]. That should confirm it.
>
>Also, if you get a 77 on the lab, the proctors will try to find you 3 more
>points just so they can pass you.
>
>
>----- Original Message -----
>From: "Swaroop Potdar" <swarooppotdar@hotmail.com>
>To: <ccie2be@nyc.rr.com>; <ccielab@groupstudy.com>
>Sent: Saturday, October 30, 2004 10:45 AM
>Subject: Re: IEWB Lab 16 - 8.1-4 QOS Doubt.
>
>
> > hi,
> >
> > ur sure about this ??...as i was trying to figure out why isnt it really
> > coming to the required number 1024000..as the difference is also big
>enough
> > to be rounded off....
> >
> > if you can confirm it would be great....
> >
> > as a matter of fact i i get 77 something in the lab it wouldnt be
>rounded
> > off to 80 to make me pass... :-) just kidding...
> >
> >
> > thanks for your immediate reply...
> >
> >
> >
> > >From: "ccie2be" <ccie2be@nyc.rr.com>
> > >Reply-To: "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 10:38:48 -0400
> > >
> > >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.
> > > > > >
> > > > > >
>_________________________________________________________________
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> > > > > > or even your car.
> > > > > >
> > > > > >
> > >_______________________________________________________________________
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> > > >
> > > >
> > > > Regards,
> > > > Swaroop.
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> >
> > Regards,
> > Swaroop.
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Regards,
Swaroop.
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