Contents
xiv
Catalyst 2950 Desktop Switch Software Configuration Guide
78-11380-03
Queueing and Scheduling 13-8
How Class of Service Works 13-8
Port Priority 13-8
Port Scheduling 13-8
CoS and WRR 13-8
Configuring QoS 13-9
Default QoS Configuration 13-9
Configuration Guidelines 13-10
Configuring Classification Using Port Trust States 13-10
Configuring the Trust State on Ports within the QoS Domain 13-11
Configuring the CoS Value for an Interface 13-13
Configuring a QoS Policy 13-13
Classifying Traffic by Using ACLs 13-14
Classifying Traffic by Using Class Maps 13-17
Classifying, Policing, and Marking Traffic by Using Policy Maps 13-18
Configuring CoS Maps 13-21
Configuring the CoS-to-DSCP Map 13-21
Configuring the DSCP-to-CoS Map 13-22
Configuring CoS and WRR 13-23
CLI: Configuring CoS Priority Queues 13-24
Configuring WRR 13-24
Displaying QoS Information 13-25
QoS Configuration Examples 13-25
QoS Configuration for the Common Wiring Closet 13-26
QoS Configuration for the Intelligent Wiring Closet 13-27
13-28
CHAPTER
14 Troubleshooting 14-1
Avoiding Configuration Conflicts 14-1
Avoiding Autonegotiation Mismatches 14-2
Troubleshooting CMS Sessions 14-3
Copying Configuration Files to Troubleshoot Configuration Problems 14-4
Recovery Procedures 14-5
Recovering from Lost Member Connectivity 14-5
Recovering from a Command Switch Failure 14-5
Replacing a Failed Command Switch with a Cluster Member 14-6
Replacing a Failed Command Switch with Another Switch 14-7
Recovering from a Failed Command Switch Without HSRP 14-8
Recovering from a Lost or Forgotten Password 14-9
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