From: Digital Yemeni (digital-yemeni@hotmail.com)
Date: Mon Mar 05 2007 - 20:03:15 ART
If 1 byte = 8 bits and vice versa, why are they putting it this way?
should't all be in bytes or bits instead or there is something behind it?
Best Regards,
Digital
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>From: Ben <ccieben@cox.net>
>Reply-To: Ben <ccieben@cox.net>
>To: Dishan Gamage <dishanlg@gmail.com>
>CC: Cisco certification <ccielab@groupstudy.com>
>Subject: Re: normal burst & maximum burst
>Date: Mon, 05 Mar 2007 15:25:15 -0500
>
>Hi Dishan:
>
>Check this out:
>http://www.cisco.com/univercd/cc/td/doc/product/software/ios123/123tcr/123tqr/qos_q1gt.htm#wp1080850
>CAR embodies a rate-limiting feature for policing traffic. When policing
>traffic with CAR, Cisco recommends the following values for the normal and
>extended burst parameters:
>normal burst = configured rate * (1 byte)/(8 bits) * 1.5 seconds
>extended burst = 2 * normal burst
>
>HTH,
>Ben
>Dishan Gamage wrote:
>>Hi Group
>>
>>
>>The question asks to limit ICMP rate to 500kbps on serial s0/0 (Dos Attack
>>prevention)
>>
>>Int S0/0
>>rate-limit input access-group 101 496000 10000 10000 conform-action
>>transmit
>>exceed-action drop
>>
>>access-list 101 permit icmp any any echo log
>>access-list 101 permit icmp any any echo-reply log
>>
>>
>>but i am not sure how to calculate the burst sizes ? what % should i use
>>for
>>normal & maximum burst...??
>>can someone point out a good link please ??
>>
>>Tks in Advance
>>
>>Dishan
>>
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