June 2003
Intermediate to advanced
432 pages
15h 56m
English
book
Cisco Catalyst QoS: Quality of Service in Campus Networks
by Mike Flannagan - CCIE® No. 7651, Richard Froom - CCIE No. 5102, Kevin Turek - CCIE No. 7284
Content preview from Cisco Catalyst QoS: Quality of Service in Campus Networks
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Distribution Layer 387
Distribution Layer
The distribution layer switches dual connect access layer switches via Gigabit Ethernet
interfaces. The distribution layer switches used in this example are the Catalyst 4507R and
the Catalyst 3550-12G switches. The next two sections explores a sample QoS configu-
ration for both of these switches.
In brief, the next two sections discuss the following QoS features applied on distribution
layer switches:
• Trust DSCP classification
• Reclassification using policy maps
• WRR
• Strict-priority queuing
Catalyst 3550-12G
Example 10-3 illustrates the Catalyst 3550-12G sample configuration applied to Figure 10-1.
Example ...
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