C H A P T E R
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Cisco 10000 Series Router Quality of Service Configuration Guide
OL-7433-09
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Quality of Service Overview
Quality of service (QoS) refers to the ability of a network to provide improved service to selected
network traffic over various underlying technologies including Frame Relay, ATM, Ethernet and
802.1 networks, SONET, and IP-routed networks. The QoS features available on the Cisco 10000 series
router provide the following services:
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Congestion management
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Congestion control
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Traffic policing
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Traffic shaping
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Ability to handle differential services and queuing requirements
This chapter provides an overview of QoS on the Cisco 10000 series router and includes the following
topics:
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Benefits of Quality of Service Features, page 1-2
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Restrictions and Limitations for Quality of Service, page 1-2
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Modular QoS Command-Line Interface, page 1-2
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QoS Management Information Base Support, page 1-4
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QoS Implementation Guidelines, page 1-4
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QoS Execution on the Router, page 1-4
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QoS Configuration on an Interface, page 1-5
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QoS Models, page 1-6
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QoS Features, Commands, and Changes, page 1-11
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Related Documentation, page 1-61