RE: Regarding CAR in QOS

From: Joe Astorino <jastorino_at_ipexpert.com>
Date: Mon, 8 Jun 2009 23:27:11 -0400

Hey Raghav,

According to the documentation the recommended values for BC and BE should
be:

Bc: (CIR/8) * 1.5
Be: 2*Be

This can be found here on the DocCD in the QoS command reference under the
rate limit command:
http://www.cisco.com/en/US/docs/ios/qos/command/reference/qos_q1.html#wp1015
612
Weather or not you need IPP of 4 is really not relevent to what values you
use for Bc and Be, it is a separate part of the question all together.

Regards,

Joe Astorino
CCIE #24347 (R&S)
Sr. Support Engineer - IPexpert, Inc.
URL: http://www.IPexpert.com
 
-----Original Message-----
From: nobody_at_groupstudy.com [mailto:nobody_at_groupstudy.com] On Behalf Of
Raghav Bhargava
Sent: Monday, June 08, 2009 11:18 PM
To: Cisco certification
Subject: Regarding CAR in QOS

Hi Experts,
If the question says XXX traffic should be transmitted with an IP Precedence
of 4 . Now when we configure the CAR , how do we calculate the Normal and
Excessive Burst in this question specifically when IP Precedence is given.

The answer is 5000 each . I just want to know who did we calculated the
Normal and Excessive Burst.

Appreciate all the help.

--
Warm Regards
Raghav
Blogs and organic groups at http://www.ccie.net
Received on Mon Jun 08 2009 - 23:27:11 ART

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