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 Routing Configuration Guide for Cisco ASR 9000 Series Routers preface contains these sections:

New and Changed Routing Features

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

Table 1. Routing Features Added or Modified in IOS XR Release 7.8.x
Feature Description

Changed in Release

Where Documented

Configure flex-algo IS-IS maximum-path

This feature was introduced.

Release 7.8.1

Maximum Paths Per Algorithm

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