Chapter 16. Campus Core (Cisco Catalyst 6500) QoS Design
The primary role of quality of service (QoS) in the campus core switch is to manage packet loss. Therefore, the core switch should trust differentiated services code point (DSCP) markings on ingress (because these have been previously set by access-edge switches) and perform both ingress and egress queuing, as illustrated in Figure 16-1.
The Cisco Catalyst 6500 Supervisor 2T is a platform well suited to the role of a campus core switch and is featured in this design chapter.
The design recommendations in this chapter apply to Supervisor ...