From: Rick (ccie_2003@hotmail.com)
Date: Fri Sep 20 2002 - 16:58:26 GMT-3
This bottom part is great
> with yours you are giving a little more bandwidth
> when bc=be there is no bursting ...you are allowing to burst
but, there is one thing I'm still missing. You are saying if they are equal
bc=be there is no bursting. Then what is the purpose of normal burst? This
subject is killing me!
Thanks,
Rick
----- Original Message -----
From: "elping" <elpingu@acedsl.com>
To: "Rick" <ccie_2003@hotmail.com>
Cc: "Ccielab (E-mail)" <ccielab@groupstudy.com>
Sent: Thursday, September 19, 2002 3:36 PM
Subject: Re: CAR question for QOS expert
> just remember the different calculation in
> traffic shaping and policing
>
> all calculations stem from these two
> in you example it really does not limit the speed to 15meg
> the one below will allow only 15meg
>
> rate-limit output 15000000 2812500 2812500 conform-action transmit
> exceed-action drop
>
> with yours you are giving a little more bandwith
> when bc=be there is no bursting ...you are allowing to burst
>
> Rick wrote:
>
> > Lets say I want to rate limit a connection to 15Mbs on a 45Mbs
interface. I
> > looking a Cisco example and it shows they have the burst normal and
burst
> > exceed allowing 2,812,500 bytes. Why must we have the burst statements.
If you
> > bought a tiered 15Meg connection from a ISP, aside from frame-relay you
don't
> > get any more BW than you pay for right? I'm just trying to relate this
to
> > something because I don't understand the burst statements. Can someone
please
> > explain. I have read about the token bucket and all, but I'm a litte
confused.
> > Here is the syntax of the example I was looking at.
> > int HSSI 0/0/0
> > rate-limit output 15000000 2812500 5625000 conform-action transmit
> > exceed-action drop
> > ip add 10.1.0.9 255.255.255.0
> >
> > On a side note, How does one remember all this QOS stuff..??? I guess
the
> > trick is once you learn it you must know where to reference it on the
DOC CD.
> >
> > Thanks and Good Luck to all!
> > Rick
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