[c-nsp] Tool to Calculate Rate Limits

Seth Mattinen sethm at rollernet.us
Mon Feb 7 10:56:05 EST 2011


On 2/6/11 12:04 PM, Saku Ytti wrote:
> On (2011-02-06 08:36 -0800), Seth Mattinen wrote:
> 
>> normal burst = configured rate * (1 byte)/(8 bits) * 1.5 seconds
>> extended burst = 2 * normal burst
> 
> I use same formulae, I'm having hard time imagining situation where you'd
> want 1.5s worth of buffering, 150ms maybe.
> 


I pulled it from a Cisco doc long ago and saved it.

http://www.cisco.com/en/US/docs/ios/12_2/qos/command/reference/qrfcmd8.html

Of course that's just Cisco's recommendation.

~Seth


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