Multicast Configuration Guide for Cisco ASR 9000 Series Routers, IOS XR Release 7.6.x

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Updated:: March 30, 2020

Chapter: Preface

Preface
Changes to This Document
Communications, Services, and Additional Information

Preface

From Release 6.1.2 onwards, Cisco introduces support for the 64-bit Linux-based IOS XR operating system. Extensive feature parity is maintained between the 32-bit and 64-bit environments. Unless explicitly marked otherwise, the contents of this document are applicable for both the environments. For more details on Cisco IOS XR 64 bit, refer to the Release Notes for Cisco ASR 9000 Series Routers, Release 6.1.2 document.

The preface contains these sections:

Changes to This Document

Describes the changes in the document from the initial release of this document.

Table 1. Changes to This Document
Date	Summary
March 2022	Initial release of this document.

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