November 2013
Intermediate to advanced
1040 pages
32h 18m
English
book
End-to-End QoS Network Design: Quality of Service for Rich-Media & Cloud Networks, Second Edition
by Tim Szigeti, Christina Hattingh, Robert Barton, Kenneth Briley Jr.
Content preview from End-to-End QoS Network Design: Quality of Service for Rich-Media & Cloud Networks, Second Edition
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Chapter 15. Campus Distribution (Cisco Catalyst 4500) QoS Design
The primary role of quality of service (QoS) in the campus distribution switch is to manage packet loss. Therefore, the distribution switch should trust differentiated services code point (DSCP) markings on ingress (as these have been previously set by access-edge switches) and perform both ingress (if required and supported) and egress queuing, as illustrated in Figure 15-1.
Figure 15-1 Campus Distribution Switch Port QoS Roles
The Cisco Catalyst 4500E Supervisor 7-E is a platform well suited to the role of a campus distribution switch and therefore is featured in this design chapter. ...
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