Am trying to get my head around a conundrum regarding QoS.
To be specific please see below.
dsu bandwidth 10000
service-policy output TEST1
police cir 3000000
bandwidth remaining percent 100
Given the very simple example above, my question is, what exactly will be the effect if I add a shape statement on the policy map like the below? From what I understand, the shape command simply buffers excess packets in reference to the dsu bandwidth command or the physical bandwidth and if there is a scheduler like CBWFQ as in this example, then the shape buffer will use the bucket/buffer arrangement of CBWFQ. If the above is true then my confusion comes from the question: why place a shape statement in the first place since CBWFQ is effectively doing the shaping/buffering even without the shaping statement?
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