If you understand the title of this post then you have headed down the road to CCNP. I was actually excited to begin ONT until I got into the book. Each book on the CCNP list is written by a different author, meaning some books match one person’s learning style and some match others. The ONT book does not seem to match mine.

The reason I am so interested in QoS right now is because we are having QoS is a big topic with a remote hosted application and we/they (the hosting company) had to implement some QoS for a couple of .pdf printers that were swamping the connection.

This post will actually be broken into a number of parts, which were outlined in a CLN post by Scott Morris. I spent 30 minutes looking for the post yesterday and couldn’t find it, otherwise I would have provided a link.

Classification, Marking and NBAR:

  • Intserv
  • DiffServ
  • DSCP
  • CoS
  • PHB
  • AF
  • EF

CLI Methods:

  • Policy Map
  • Class Map

Congestion Management:

  • Tail Drop
  • RED
  • WRED
  • Priority Queuing
  • Round-Robin
  • WRR
  • WFQ
  • LLQ


  • Policing
  • Shaping

Useful Links:

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