Preface

This reference describes the Cisco IOS XR Quality of Service commands. The preface for Modular QoS Command Reference for Cisco CRS Routers contains these sections:

Changes to This Document

This table lists the technical changes made to this document since it was first published.

Table 1. Changes to this Document
Change Summary

May 2015

Initial release of the cumulative command reference document that covers all updates from Release 4.3.0 onwards.

September 2015

Republished with documentation updates for Cisco IOS XR Release 5.3.2 features.

November 2016

Republished with documentation updates for Cisco IOS XR Release 6.1.2 features.

March 2018

Republished for Release 6.3.2.

April 2019

Republished for Release 6.6.2

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