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QoS / Microbursts

joneswill
Level 1
Level 1

Hi

Can anyone point me to cisco qos documentation specific to microbursts?

I would like to create a qos policy for certain multicast traffic that, by its nature, microbursts quite frequently, up to 1Gb/s.  Whilst I have 1Gb wan links, I want to make sure that I give the multicast traffic a guaranteed amount of bandwidth, but that the qos profile takes into account the burstiness (on a millisecond basis) of the traffic.

any pointers would be great.

thanks

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Joseph W. Doherty
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Hall of Fame

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Unless you're dealing with shapers or policers, you wouldn't normally concern your self with millisecond burstiness.

If your multicast traffic isn't particularly time sensitive, you would only need to insure your QoS policy provides enough bandwidth to satisfy the expected load with enough queue depth to handle bursts.  If your multicast traffic is time sensitive, then you need to insure you can prioritize a burst so that it is not much queued, e.g. LLQ in CBWFQ.