Rate Limit Bc question

From: Kim (support@isolvesystems.com)
Date: Tue Jul 03 2007 - 17:49:41 ART


The task states:
In order to alleviate congestion configure R1 so that it does not send more
than 128Kbps of ICMP traffic out this interface. Allow for a burst of 1/4th
of this rate.

The answer uses NBAR to match ICMP and uses policy-map to police cir 128000
bc 4000.

Why bc is 4000? I thought 1/4th of this rate is 32000?

Thanks.

-- 
http://www.isolvesystems.com


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