Contents

 

 

 

Individual Policing

24-15

 

 

 

 

 

 

 

 

 

 

 

Unconditional Priority Policing

24-16

 

 

 

 

 

 

 

 

 

Egress Policing

24-17

 

 

 

 

 

 

 

 

 

 

 

 

Marking 24-18

 

 

 

 

 

 

 

 

 

 

 

 

 

Congestion Management and Scheduling

24-19

 

 

 

 

 

 

 

Traffic Shaping

24-19

 

 

 

 

 

 

 

 

 

 

 

 

Class-Based Weighted Fair Queuing

24-21

 

 

 

 

 

 

 

Priority Queuing

24-23

 

 

 

 

 

 

 

 

 

 

 

Ingress and Egress QoS Functions

24-24

 

 

 

 

 

 

 

 

 

Configuring Quality of Service (QoS)

24-25

 

 

 

 

 

 

 

 

 

QoS Limitations 24-25

 

 

 

 

 

 

 

 

 

 

 

 

General QoS Limitations

24-26

 

 

 

 

 

 

 

 

 

Statistics Limitations

24-26

 

 

 

 

 

 

 

 

 

 

Propagation Limitations

24-27

 

 

 

 

 

 

 

 

 

Classification Limitations

24-27

 

 

 

 

 

 

 

 

 

Marking Limitations

24-28

 

 

 

 

 

 

 

 

 

 

Congestion Management Limitations

24-29

 

 

 

 

 

 

 

ACL-based QoS Restrictions

24-30

 

 

 

 

 

 

 

 

 

Improving Feature Scalability

24-31

 

 

 

 

 

 

 

 

 

TCAM with QoS

24-31

 

 

 

 

 

 

 

 

 

 

 

QoS for MPLS/IP over MLPPP

24-31

 

 

 

 

 

 

 

 

 

QoS for CPU Generated Traffic

24-31

 

 

 

 

 

 

 

 

 

QoS Configuration Guidelines

24-32

 

 

 

 

 

 

 

 

 

Sample QoS Configuration

24-33

 

 

 

 

 

 

 

 

 

 

Configuring Classification

24-34

 

 

 

 

 

 

 

 

 

 

Creating a Class Map for Classifying Network Traffic

24-34

 

 

 

 

 

Creating a Policy Map for Applying a QoS Feature to Network Traffic

24-35

 

 

 

 

Attaching the Policy Map to an Interface

24-36

 

 

 

 

 

 

Attaching Policy Map to Cross Connect EVC

24-37

 

 

 

 

 

 

Configuring Marking

24-38

 

 

 

 

 

 

 

 

 

 

 

Creating a Class Map for Marking Network Traffic 24-39

 

 

 

 

 

Creating a Policy Map for Applying a QoS Feature to Network Traffic

24-39

 

 

 

 

Attaching the Policy Map to an Interface

24-40

 

 

 

 

 

 

Configuring MPLS Exp Bit Marking using a Pseudowire

24-41

 

 

 

 

 

Configuring Congestion Management 24-42

 

 

 

 

 

 

 

 

Configuring Low Latency Queueing (LLQ)

24-42

 

 

 

 

 

 

Configuring Multiple Priority Queueing

 

24-43

 

 

 

 

 

 

Configuration Examples

24-44

 

 

 

 

 

 

 

 

 

Configuring Class-Based Weighted Fair Queuing (CBFQ)

24-45

 

 

 

 

 

Weighted Random Early Detection (WRED)

24-46

 

 

 

 

 

 

Cisco ASR 901 Series Aggregation Services Router Software Configuration Guide

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

xviii

 

 

 

 

 

 

 

 

 

 

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Cisco Systems A9014CFD manual Marking, Xviii