Re: QOS- CAR rate-limit statement's normal/extended burst

From: ccie2be (ccie2be@nyc.rr.com)
Date: Fri Dec 24 2004 - 11:22:23 GMT-3


Mani,

Off-hand, I don't know the answer to your question but here are a couple
thoughts:

1) Given that's there's nothing that can be done using the rate-limit
command that can NOT be done

using the police MQC, and Cisco's direction is to do all QoS with MQC, I
would doubt that you would

ever need to use the rate-limit command in the lab.

2) Does the command (either rate-limit or police) require that a value for
Bc is entered? I'm not sure, but I think

it's possible that you don't need to enter a Bc value and therefore, you can
let IOS compute that value.

3) If the Bc must be entered, just use the same value but converted to
bytes.

HTH, Tim

----- Original Message -----
From: "mani poopal" <mani_ccie@yahoo.com>
To: <ccielab@groupstudy.com>
Sent: Friday, December 24, 2004 8:07 AM
Subject: QOS- CAR rate-limit statement's normal/extended burst

> Hi Guys,
>
> In the rate limit statement or question if only rate is given(assue
20mbps), how do we arrive at values for extended and normal burst sizes. I
know this has been discussed earlier but any help is appreciated.
> eg:
> rate-limit output access-group 101 20000000 24000 32000 conform-action
set-prec-
> transmit 5 exceed-action set-prec-transmit 0
>
> ps:
> 20000000- in bits per second
> 24000----bytes
> 32000----bytes
> How do they arrive at 24000 and 32000 values.
>
> thanks
>
> Mani
>
>
>
> B.ENG,A+,CCNA,CCNP,CCNP-VOICE, CSS1,CNA,MCSE
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