Index

show isis database command

RC-105

 

show isis database-log command RC-105

 

show isis interface command

RC-116

 

show isis lsp-log command

RC-105

 

show isis mpls command

RC-112

 

show isis mpls traffic-eng adjacency-log

 

command

RC-112

 

 

 

show isis mpls traffic-eng advertisements

 

command

RC-112

 

 

 

show isis neighbors command

RC-116

 

show isis spf-log command

RC-118

 

show isis topology command

RC-97

 

show ospf command

 

RC-162

 

 

show ospfv3 command

RC-162

 

show running-config command

RC-107

 

shutdown command

RC-70

 

 

single-topology

 

 

 

 

 

command RC-96

 

 

 

 

 

configuring example

RC-122

 

IPv6 support RC-87

 

 

 

 

set SPF interval

RC-116

 

 

 

soft-reconfiguration inbound always command

RC-69

spf-interval command

RC-117

 

 

SPF throttling, configuring

 

 

 

OSPFv2 (Open Shortest Path First Version 2)

RC-170

static route

Cisco IOS static route and Cisco IOS XR static route differences RC-247

stub area RC-133

stub area types, configuring (OSPFv3) RC-147stub command RC-149

summary-prefix command RC-121,RC-169

timers lsa min-interval command RC-159timers throttle spf command RC-171

ttl-security command RC-57

U

update groups

BGP configuration RC-18

BGP update generation

RC-18

monitor RC-75

 

update-source command

RC-57

use command RC-58

 

V

virtual link

transit area (OSPFv2) RC-138virtual-link command RC-162

W

weight command RC-39

T

table-policy command

RC-53

 

timers bgp command

RC-34

 

timers command RC-57

 

timers lsa gen-interval command

RC-159

timers lsa group-pacing command

RC-160

Cisco IOS XR Routing Configuration Guide

RC-266

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Cisco Systems IOS XR manual RC-266

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.