I'm missing a QoS document explaining clearly WHEN particular QoS tools (queuing, policing, shaping) are applied, what happens if configured but no congestion occurs on the line, when exactly they start to be active in a case a congestion comes.
Another topic missing is hieararchical (nested) polices.
I've seen many QoS documents but none of them descibed those topics in sufficient details.
This guide contains the majority of the available features, although there are a few that are available only on specific trains (for example, on the XE or SR trains). For the most part, though, the 12.4T CG is the superset, with the other trains being subsets.
Second, regarding hierarchical (nested) policies, these kinds of policies (policy maps) form the foundation for many QoS features. The main source (to date) of information about hierarchical policy maps is contained in the single-source module called âApplying QoS Features Using the MQC,â at
The above resources may not specifically address what you are looking for, but they help to illustrate the roles that hierarchical policies play.
Third, we are aware that our document set as currently structured does not always address the larger topic of when to enable certain features. That is specialized design-level information such as is typically addressed in white papers and TAC documentation. Because of the many variables involved in permutations of product interactions and network designs, such information would be impossible to include in our document set.
Finally, if you can summarize the types of equipment you are working with, the Cisco IOS releases, and enough of the network design to highlight a specific QoS implementation objective, we suggest that you present that picture to the technical side of this forum, in addition to following up with TAC. If it becomes apparent that there is additional information we should be adding to our documents, we will ensure that your suggestions reach the right team so that appropriate actions may be taken.
What do you do if you think you're running into a bug? Cisco makes it
possible for you to report bugs yourself. Learn how, and find out how
your contributions help us improve our software.Cisco publishes its
bugs. Before opening a TAC Support Case, use Bu...
Cisco Licensing is pleased to announce the new Licensing Portal. It
provides customers with an enhanced self-service experience by
stream-lining and automating many licensing activities. Please take a
moment to familiarize yourself with the features that ...