Re: Bootcamp lab 18: Broadcast Supression

From: Hardin Les - SMTP (hardinl@xxxxxxx)
Date: Thu Feb 15 2001 - 13:43:16 GMT-3


   
Peter,

I stand corrected. I guess my digital circuit design background has me
thoroughly brainwashed! Thanks.

Les

At 08:38 AM 2/15/2001 -0800, Peter Puczko wrote:
>I disagree. When calculated in bits 1 kilobit=1000 bits.
>When calculated in bytes 1 kilobyte=1024 bytes.
>Why they did it this way? I have no idea. So be careful.
>3Mb is 3,000,000 bits
>But 3MB=3,072,000 bytes
>
>Peter
>
>
>On Thu, 15 Feb 2001 11:00:04 -0500, Hardin Les - SMTP wrote:
>
> >
> > FYI.
> >
> > Actually, 3Mbps = 3,072,000 bits per sec.
> >
> > Les
> >
> > At 02:37 AM 2/15/2001 -0800, Derek Buelna wrote:
> > >Hi,
> > >
> > >I was thinking that if I was asked to configure this I'd probably do it
> > >one way but they would have wanted it the other way.
> > >
> > >In lab 18 I believe it says to limit broadcasts on a port, on the
> > >catalyst, to 3Mb/s.
> > >
> > >Ok, so I read that the percentage of bandwidth method is more accurate
> > >and also hardware based but the answer uses the per packet method.
> > >
> > >I'm taking it that 3,000,000 bits/s / 8 = 375,000 bytes/s. I'm
> > >assuming that an average packet size of 1024 would make for an average
> > >throughput of 366.21 of these kinds of packets/s.
> > >
> > >Am I understanding this correctly?
> > >
> > >Wouldn't it be easier to just say 30%, since it's a 10,000,000 bits/s
> > >link?
> > >
> > >set port broadcast 2/9 367
> > >set port broadcast 2/9 30%
> > >
> > >Thanks,
> > >
> > >-Derek
> > >
> > >
> > >
> > >



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