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Contents
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Cisco AVVID Network Infrastructure Enterprise Quality of Service Design
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C H A P T E R
4
QoS in an AVVID-Enabled Wide-Area Network
4-1
Overview
4-1
QoS Toolset
4-2
Classification
4-2
Provisioning
4-2
Policers and Shapers
4-2
Link-Fragmentation and Interleaving
4-3
TX Ring
4-3
Modular QoS Command-Line Interface
4-4
QoS Recommendations for WAN Aggregation Routers
4-4
Classifying and Provisioning for Voice on the WAN Edge
4-4
Classifying and Provisioning for Video on the WAN Edge
4-6
Classifying and Provisioning for Data on the WAN Edge
4-6
Link-Specific WAN QoS Recommendations
4-9
High-Speed Point-to-Point Links
4-9
Slow-Speed Point-to-Point Links
4-10
High-Speed Frame Relay Links
4-11
Distributed-Platform High-Speed Frame Relay Links
4-14
Slow-Speed Frame Relay Links
4-15
Distributed-Platform Slow-Speed Frame Relay Links
4-17
High-Speed ATM Links
4-18
Slow-Speed ATM Links
4-19
ATM-to-Frame Relay Recommendations
4-21
ISDN Recommendations
4-24
Summary Configurations
4-26
QoS Recommendations for Remote Branch Routers
4-28
WAN Edges
4-28
Remote LAN Edge for Voice
4-28
Remote LAN Edge for Video
4-29
Remote LAN Edge for Data
4-30
Output Policies
4-30
Input Policies
4-30
Summary Configuration
4-32
Verifying QoS
4-34
show policy
4-34
show policy interface
4-36
Example 1
4-36
Example 2
4-40
show interface
4-42