Implementing Static Routes on Cisco IOS XR Software

Configuration Examples

Configuration Examples

This section provides the following configuration examples:

Configuring Traffic Discard: Example

Configuring a Fixed Default Route: Example

Configuring a Floating Static Route: Example

Configuring Traffic Discard: Example

Configuring a static route to point at interface null 0 may be used for discarding traffic to a particular prefix. For example, if it is required to discard all traffic to prefix 2001:0DB8:42:1/64, the following static route would be defined:

configure

route ipv6 unicast 2001:0DB8:42:1::/64 null 0 end

Configuring a Fixed Default Route: Example

A default static route is often used in simple router topologies. In the following example, a router is configured with an administrative distance of 110.

configure

route ipv4 unicast 10.0.0.0/8 172.20.16.6 110

end

Configuring a Floating Static Route: Example

A floating static route often is used to provide a backup path if connectivity fails. In the following example, a router is configured with an administrative distance of 201.

configure

route ipv6 unicast 2001:0DB8::/32 2001:0DB8:3000::1 201 end

Where to Go Next

For additional information on static routes, routing protocols, and RIB, consult the following publications:

Implementing and Monitoring RIB on Cisco IOS XR Software

Implementing BGP on Cisco IOS XR Software

Implementing IS-IS on Cisco IOS XR Software

Implementing OSPF on Cisco IOS XR Software

Implementing OSPFv3 on Cisco IOS XR Software

RIB Commands on Cisco IOS XR Software

Cisco IOS XR Routing Configuration Guide

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Cisco Systems IOS XR manual Configuration Examples, Configuring Traffic Discard Example, RC-255

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.