Preface

From Release 6.1.2 onwards, Cisco introduces support for the 64-bit Linux-based IOS XR operating system. However, support for nV Satellite System on the Cisco IOS XR 64-bit operating system is available only from the Release 6.2.1. 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 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 the following sections:

Changes to this Document

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

Date

Summary

September 2026

Republished for Release 26.3.1

June 2026

Initial release of this document.

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