I'm inclined to think that this question has been already discussed and 
answered but the OSL archive is so big that may be someone will explain it 
again.
When we enable rate limiting under the policy-map with the command "Police" 
there are three options:

R6(config-pmap-c)#police ?
  <8000-2000000000>  Bits per second
  cir                Committed information rate
  rate               Specify police rate

For now I understand that I would use "police rate percent" if I need to 
allocate a certain percentage for  a certain type of traffic.
What's the difference if I say "police rate 128000" and "police 128000"?
When am I supposed to use "police cir" ? I have a question in the task:

"Burst capacity should be set to the minimum value".

Is it kind of a hint that if they ask about Burst then I have to operate with 
CIR and Bc? And What's the minimum value of Bc with regard to CIR ?

Eugene


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