Two rate policer - bc/be calculation

From: alsontra@hotmail.com
Date: Fri Jun 11 2004 - 11:28:22 GMT-3


Command is as follows:

"police cir 500000 bc 10000 pir 1000000 be 10000 conform-action transmit
exceed-action set-prec-transmit 2 violate-action drop"

I understand the utilization of the command, but I'm not sure how the bc and
be were calculated. I would think that the typical parameters would apply and
they don't:

normal burst = configured rate * (1 byte)/(8 bits) * 1.5 seconds
extended burst = 2 * normal burst

cir 500000 ?
bc 10000 ?
be 10000 ?

Or do the above calulations only apply to CAR? Anyone know the mathematics
behind this?

Additional info:
http://www.cisco.com/univercd/cc/td/doc/product/software/ios122/122newft/122t
/122t4/ft2rtplc.htm

TIA
Alsontra



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