RC-158
RC-153
RC-5

Index

M

maximum-paths command RC-121max-lsp-lifetime command RC-103mesh-group command RC-104message-digest-key command RC-156metric-style wide command RC-112

MPLS TE (Multiprotocol Label Switching traffic engineering) configuring

IS-IS RC-110

OSPFv2 RC-175

mpls traffic-eng area command RC-176mpls traffic-eng command RC-111

mpls traffic-eng router-id command RC-112,RC-177multicast-intact

IS-IS RC-90

OSPFv2 RC-144

multi-instance IS-IS RC-89multiprotocol BGP RC-21

multitopology

configuring RC-98example RC-123

N

NBMA networks RC-135neighbor address family command neighbor command RC-5

neighbor command (OSPFv2, OSPFv3) neighbor-group command RC-56

neighbors

adjacency (OSPFv2) RC-136

maximum limits (BGP) RC-3

net command RC-92,RC-251,RC-252,RC-254network command RC-42,RC-152next-hop-self command RC-65

nonstop forwarding, configuring (OSPFv2) RC-173not-so-stubby area RC-133

nsf command RC-106

nsf interface-expires command

RC-107

nsf interface-timer command

RC-107

nsf interval command

RC-175

 

nsf lifetime command

RC-107

 

nsg enforce global command

RC-174

nssa command RC-149

 

 

O

ospf area configuration submode

dead-interval command

RC-152

default-cost command

RC-149

hello interval command

RC-152

interface command

RC-146

network command

RC-152

nssa command

RC-149

 

range command

RC-165

 

stub command

RC-149

 

ospf area submode

 

 

 

authentication message-digest command RC-162

virtual-link command RC-162

ospf interface configuration submode log adjacency changes RC-147neighbor command RC-153

OSPFv2 (Open Shortest Path First Version 2)

authentication, configuring RC-155

Cisco IOS XR OSPFv3 and OSPFv2 differences RC-131CLI (command-line interface) inheritance RC-131configuration

MPLS TE RC-175

 

 

neighbors, nonbroadcast networks

RC-150

configuration and operation, verifying

RC-180

description

RC-127

 

 

Designate Router (DR)

RC-136

 

enabling

RC-145

 

 

functional overview RC-129

 

instance and router ID

RC-134

 

LSA

controlling the frequency

Cisco IOS XR Routing Configuration Guide

RC-261

Page 277
Image 277
Cisco Systems IOS XR manual IS-IS RC-90, RC-261

IOS XR specifications

Cisco Systems IOS XR is an advanced operating system designed specifically for high-performance routers and service provider networks. It serves as the backbone for many of Cisco's high-end routing platforms, enabling service providers to manage their networks with increased efficiency, flexibility, and scalability.

One of the main features of IOS XR is its modular architecture. This allows for the independent operation of various components within the OS, facilitating the deployment of new features and updates without affecting the overall stability of the system. This modularity ensures that service providers can implement rapid changes and enhancements while maintaining service continuity.

Another characteristic of IOS XR is its support for 64-bit architecture, which provides enhanced performance and the ability to manage larger amounts of data. This is particularly beneficial for service providers that deal with high traffic volumes and require robust data processing capabilities. The utilization of 64-bit technology also enables the operating system to utilize memory more efficiently, allowing for greater scalability.

IOS XR incorporates advanced technologies such as Distributed System Architecture (DSA) and Multiple Routing Instances (Merging Routes). DSA allows for the distribution of routing processes across multiple hardware resources, maximizing performance and redundancy. Multiple Routing Instances enable operators to create separate logical routing tables for different services, improving isolation and efficiency in managing network traffic.

The operating system also focuses heavily on security, featuring extensive encryption methods and access controls to safeguard network resources. IOS XR supports various authentication protocols, ensuring secure access to routers and switches. In addition, the OS includes comprehensive logging and monitoring capabilities, allowing network administrators to track activities and respond quickly to potential threats.

Another critical aspect of IOS XR is its adherence to the principles of service-oriented architecture (SOA). This approach permits the development of applications and services that can operate independently, fostering innovation and enabling service providers to tailor their offerings based on customer demands.

Ultimately, Cisco IOS XR is a powerful, reliable operating system that meets the complex needs of modern telecommunications networks. With its focus on modularity, performance, security, and scalability, it enables service providers to deliver high-quality, resilient services to their customers while efficiently managing network resources. As the industry continues to evolve, IOS XR remains a vital tool for those aiming to stay competitive in the ever-changing landscape of networking.