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42C4911, January 2007 123
CHAPTER 7
Quality of Service
Quality of Service features allow you to allocate network resources to mission-critical applica-
tions at the expense of applications that are less sensitive to such factors as time delays or net-
work congestion. You can configure your network to prioritize specific types of traffic,
ensuring that each type receives the appropriate Quality of Service (QoS) level.
The following topics are discussed in this section:
“Overview” on page 124
“Using ACL Filters” on page 126
“Using DSCP Values to Provide QoS” on page 134
“Using 802.1p Priorities to Provide QoS” on page 139
“Queuing and Scheduling” on page 140