Cisco Systems QC-29 manual Contents

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Contents

Configuring Modular Quality of Service Congestion Management on Cisco IOS XR Software

Contents

Feature History for Configuring Modular QoS Congestion Management on Cisco IOS XR Software Contents

Release

Modification

Release 2.0

This feature was introduced on the Cisco CRS-1.

 

 

Release 3.0

No modification.

 

 

Release 3.2

This feature was first supported on the Cisco XR 12000 Series Router with

 

the exception of the following:

 

Two-rate policer and two-token bucket algorithm.

 

The pir and violate-actionkeywords for the police command.

 

Packet-by-packet MDRR scheduling mechanism.

 

Added configuration examples.

 

 

Contents

Prerequisites for Configuring QoS Congestion Management on Cisco IOS XR Software, page QC-30

Information About Configuring QoS Congestion Management on Cisco IOS XR Software, page QC-30

How to Configure QoS Congestion Management on Cisco IOS XR Software, page QC-37

Configuration Examples for Configuring QoS Congestion Management on Cisco IOS XR Software, page QC-47

Where to Go Next, page QC-49

Additional References, page QC-50

Prerequisites for Configuring QoS Congestion Management on Cisco IOS XR Software

The following prerequisites are required for configuring QoS congestion management on your network:

You must be in a user group associated with a task group that includes the proper task IDs for QoS commands. Task IDs for commands are listed in the Cisco IOS XR Task ID Reference Guide.

For detailed information about user groups and task IDs, see the Configuring AAA Services on Cisco IOS XR Software module of the Cisco IOS XR System Security Configuration Guide.

You must be familiar with Cisco IOS QoS configuration tasks and concepts.

Information About Configuring QoS Congestion Management on Cisco IOS XR Software

To implement QoS congestion management features in this document, you must understand the following concepts:

Congestion Management Overview, page QC-31

Modified Deficit Round Robin, page QC-31

Cisco IOS XR Modular Quality of Service Configuration Guide

QC-30

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Cisco Systems QC-29 manual Contents