Cisco Gigabit Ethernet Switch Module for HP p-Class BladeSystem Software Configuration Guide

Contents

xxi

380261-003

Queueing and Scheduling Overview 27-13

Weighted Tail Drop 27-13

SRR Shaping and Sharing 27-14

Queueing and Scheduling on Ingress Queues 27-15

Queueing and Scheduling on Egress Queues 27-17

Packet Modification 27-19

Configuring Auto-QoS 27-20

Generated Auto-QoS Configuration 27-21

Effects of Auto-QoS on the Configuration 27-25

Auto-QoS Configuration Guidelines 27-25

Enabling Auto-QoS for VoIP 27-26

Auto-QoS Configuration Example 27-27

Displaying Auto-QoS Information 27-29

Configuring Standard QoS 27-29

Default Standard QoS Configuration 27-30

Default Ingress Queue Configuration 27-30

Default Egress Queue Configuration 27-31

Default Mapping Table Configuration 27-32

Standard QoS Configuration Guidelines 27-32

QoS ACL Guidelines 27-32

Applying QoS on Interfaces 27-32

Policing Guidelines 27-33

General QoS Guidelines 27-33

Enabling QoS Globally 27-34

Enabling VLAN-Based QoS on Physical Ports 27-34

Configuring Classification Using Port Trust States 27-35

Configuring the Trust State on Ports within the QoS Domain 27-35

Configuring the CoS Value for an Interface 27-37

Configuring a Trusted Boundary to Ensure Port Security 27-37

Enabling DSCP Transparency Mode 27-39

Configuring the DSCP Trust State on a Port Bordering Another QoS Domain 27-39

Configuring a QoS Policy 27-41

Classifying Traffic by Using ACLs 27-42

Classifying Traffic by Using Class Maps 27-45

Classifying, Policing, and Marking Traffic on Physical Ports by Using Policy Maps 27-47

Classifying, Policing, and Marking Traffic on SVIs by Using Hierarchical Policy Maps 27-50

Classifying, Policing, and Marking Traffic by Using Aggregate Policers 27-55

Configuring DSCP Maps 27-57

Configuring the CoS-to-DSCP Map 27-58