I'm studying the CCNP SP track.
In the study guide for the Core exam I am going over token bucket policing it states:
When you define custom burst sizes, for optimum performance use this formula to determine the burst value:
Bc (= CIR bps* (1 byte / 8 bits)* 1.5 seconds
There are also post on Cisco Support forums saying similar things.
https://learningnetwork.cisco.com/thread/53215
What I don't understand is the purpose of the 1.5seconds and where it comes from because at first it seemed to me that the Bc would exceed the actual interface speed.
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