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Configuring QoS
This chapter describes how to configure quality of service (QoS) on the Catalyst 6000 family switches
and includes the configuration information required to support Common Open Policy Service (COPS)
and Resouce ReSerVation Protocol (RSVP).
Note
For complete syntax and usage information for the commands used in this chapter, refer to the
Catalyst 6000 Family Command Reference publication.
You can configure QoS using one of the following:
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This chapter consists of these sections:
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Understanding How QoS Works
Note
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Typically, networks operate on a best-effort delivery basis, which means that all traffic has equal priority
and an equal chance of being delivered in a timely manner. When congestion occurs, all traffic has an
equal chance of being dropped.
The QoS feature on the Catalyst 6000 family switches selects network traffic, prioritizes it according to
its relative importance, and provides priority-indexed treatment through congestion avoidance
techniques. Implementing QoS in your network makes network performance more predictable and
bandwidth utilization more effective.
78-13315-02
SNMP
COPS protocol
RSVP null service template and receiver proxy functionality
Command-line interface (CLI)
Understanding How QoS Works, page 41-1
QoS Default Configuration, page 41-28
Configuring QoS, page 41-30
Throughout this publication and all Catalyst 6500 series documents, the term "QoS" refers to the
QoS feature as implemented on the Catalyst 6500 series.
Supervisor Engine 1 and Supervisor Engine 2 provide policing only for ingress traffic.
Catalyst 6000 Family Software Configuration Guide—Releases 6.3 and 6.4
C H A P T E R
41
41-1
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Troubleshooting
