Cisco 10000 Series

CHAPTER
1-1
Cisco 10000 Series Router Quality of Service Configuration Guide
OL-7433-09
1
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:
• Congestion management
• Congestion control
• Traffic policing
• Traffic shaping
• 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:
• Benefits of Quality of Service Features, page 1-2
• Restrictions and Limitations for Quality of Service, page 1-2
• Modular QoS Command-Line Interface, page 1-2
• QoS Management Information Base Support, page 1-4
• QoS Implementation Guidelines, page 1-4
• QoS Execution on the Router, page 1-4
• QoS Configuration on an Interface, page 1-5
• QoS Models, page 1-6
• QoS Features, Commands, and Changes, page 1-11
• Related Documentation, page 1-61