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Catalyst 2950 Desktop Switch Software Configuration Guide
78-11380-05
CHAPTER
25 Configuring QoS 25-1
Understanding QoS 25-2
Basic QoS Model 25-3
Classification 25-4
Classification Based on QoS ACLs 25-5
Classification Based on Class Maps and Policy Maps 25-6
Policing and Marking 25-6
Mapping Tables 25-7
Queueing and Scheduling 25-7
How Class of Service Works 25-7
Port Priority 25-8
Port Scheduling 25-8
CoS and WRR 25-8
Configuring QoS 25-9
Default QoS Configuration 25-9
Configuration Guidelines 25-10
Configuring Classification Using Port Trust States 25-10
Configuring the Trust State on Ports within the QoS Domain 25-11
Configuring the CoS Value for an Interface 25-13
Configuring Trusted Boundary 25-13
Enabling Pass-Through Mode 25-15
Configuring a QoS Policy 25-16
Classifying Traffic by Using ACLs 25-16
Classifying Traffic by Using Class Maps 25-20
Classifying, Policing, and Marking Traffic by Using Policy Maps 25-21
Configuring CoS Maps 25-24
Configuring the CoS-to-DSCP Map 25-25
Configuring the DSCP-to-CoS Map 25-26
Configuring CoS and WRR 25-27
Configuring CoS Priority Queues 25-27
Configuring WRR 25-27
Displaying QoS Information 25-28
QoS Configuration Examples 25-29
QoS Configuration for the Existing Wiring Closet 25-30
QoS Configuration for the Intelligent Wiring Closet 25-30