CCNP and CCIE Enterprise Core ENCOR 350-401 Official Cert Guide, 2nd Edition

Chapter 14

Quality of Service (QoS)

This chapter covers the following subjects:

• The Need for QoS: This section describes the leading causes of poor quality of service and how they can be alleviated by using QoS tools and mechanisms.

• QoS Models: This section describes the three different models available for implementing QoS in a network: best effort, Integrated Services (IntServ), and Differentiated Services (DiffServ).

• Modular QoS CLI: This section describes the main components of Cisco’s MQC and how it can be used to implement QoS in a network.

• Classification and Marking: This section describes classification, which is used to identify and assign IP traffic into different traffic classes, and marking, which is used to mark packets with a ...