352Chapter 9: QoS Support on the Catalyst 6500 MSFC and FlexWAN
with class-based marking. However, the important aspect of marking is it also allows other
devices in the network to be able to differentiate between critical and noncritical traffic,
based on the marking values. When the values are determined, different policies can be
applied to the traffic, including Priority Queuing, policing, or shaping. The following
section discusses policing and shaping on the FlexWAN module.
Policing and Shaping
Chapter 2 introduced policing and shaping. As discussed, both features use a token bucket
mechanism for operation. Based on the token bucket analogy ...
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