Contents
xxiii
Catalyst 2950 and Catalyst 2955 Switch Software Configuration Guide
OL-10101-02
Enabling Auto-QoS for VoIP 29-13
Displaying Auto-QoS Information 29-14
Auto-QoS Configuration Example 29-14
Configuring Standard QoS 29-16
Default Standard QoS Configuration 29-17
Configuration Guidelines 29-17
Configuring Classification Using Port Trust States 29-19
Configuring the Trust State on Ports within the QoS Domain 29-19
Configuring the CoS Value for an Interface 29-20
Configuring Trusted Boundary 29-21
Enabling Pass-Through Mode 29-23
Configuring a QoS Policy 29-24
Classifying Traffic by Using ACLs 29-24
Classifying Traffic by Using Class Maps 29-28
Classifying, Policing, and Marking Traffic by Using Policy Maps 29-29
Configuring CoS Maps 29-32
Configuring the CoS-to-DSCP Map 29-32
Configuring the DSCP-to-CoS Map 29-33
Configuring the Egress Queues 29-35
Configuring CoS Priority Queues 29-35
Configuring WRR Priority 29-35
Enabling the Expedite Queue and Configuring WRR Priority 29-36
Displaying Standard QoS Information 29-36
Standard QoS Configuration Examples 29-37
QoS Configuration for the Existing Wiring Closet 29-38
QoS Configuration for the Intelligent Wiring Closet 29-39
CHAPTER
30 Configuring EtherChannels 30-1
Understanding EtherChannels 30-1
Understanding Port-Channel Interfaces 30-3
Understanding the Port Aggregation Protocol and Link Aggregation Protocol 30-3
PAgP and LACP Modes 30-4
Physical Learners and Aggregate-Port Learners 30-5
PAgP and LACP Interaction with Other Features 30-5
EtherChannel On Mode 30-6
Understanding Load Balancing and Forwarding Methods 30-6
Configuring EtherChannels 30-7
Default EtherChannel Configuration 30-8
EtherChannel Configuration Guidelines 30-8