Index

on an OSPF ABR

RC-164

 

types

RC-137

 

 

 

 

MD5 authentication

RC-135

 

MPLS TE, configuring

RC-175

 

neighbors, adjacency

RC-136

 

neighbors, nonbroadcast networks, configuring

RC-150

nonstop forwarding

 

 

 

configuring

 

RC-173

 

 

description

RC-140

 

 

policy attach points

 

 

 

default originate

RC-231

 

redistribute

RC-231,RC-233

 

route authentication methods

 

key rollover

RC-136

 

 

MD5

RC-135

 

 

 

 

plain text

RC-135

 

 

 

strategies

RC-136

 

 

 

route redistribution

 

 

 

configuring

 

RC-166

 

 

description

RC-139

 

 

Shortest Path First (SPF) throttling

 

configuring

 

RC-170

 

 

description

RC-139

 

 

stub and not-so-stubby area types, configuring

RC-147

supported OSPF network types

 

NBMA networks

RC-135

 

point to point networks

RC-135

 

virtual link

 

 

 

 

 

creating RC-160

 

 

 

transit area

RC-138

 

 

OSPFv2 (Open Shortest Path Fisrt version 2)

 

enabling multicast-intact

RC-186

 

OSPFv3 (Open Shortest Path First Version 3) RC-170

addresses, importing

RC-131

 

Cisco IOS XR OSPFv3 and OSPFv2 differences

RC-131

CLI inheritance

RC-131

 

 

configuration

 

 

 

 

 

neighbors, nonbroadcast networks RC-150

 

SPF throttling

RC-170

 

 

configuration and operation, verifying

RC-180

 

description

RC-127

 

 

 

 

enabling

RC-145

 

 

 

 

functional overview

RC-129

 

 

instance and router ID

RC-134

 

 

load balancing

RC-141

 

 

 

LSA

 

 

 

 

 

 

controlling frequency

RC-158

 

 

on an OSPF ABR

RC-164

 

 

types RC-137

 

 

 

 

 

neighbors

 

 

 

 

 

 

nonbroadcast networks, configuring

RC-150

 

policy attach points

 

 

 

 

default originate

RC-232

 

 

redistribute

RC-231,RC-233

 

 

routes, redistribute

RC-166

 

 

SPF (Shortest Path First) throttling configuring

RC-170

stub and not-so-stubby area types, configuring

RC-147

virtual link, description

RC-138

 

 

ospfv3 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

 

 

 

OSPFv3 Graceful Restart feature RC-141

 

 

adjacency

RC-143

 

 

 

 

displaying information

RC-186

 

 

ospfv3 interface configuration submode

 

 

log adjacency changes

RC-147

 

 

neighbor command

RC-153

 

 

overload bit

 

 

 

 

 

 

configuration

RC-87

 

 

 

on router

RC-89

 

 

 

 

Cisco IOS XR Routing Configuration Guide

RC-262

Page 278
Image 278
Cisco Systems IOS XR manual MD5, RC-262

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.