Cisco Systems IOS XR manual RP/0/RP1/CPU0router# show rpl maximum

Page 25

Chapter 3 Configuring Additional Router Features

Configuration Limiting

Examples

In the following example, the show rpl maximum command is used in EXEC mode to display the current setting for RPL limits and number of each limit currently in use. A summary of the memory used by all of the defined policies is also shown below the limit settings.

RP/0/RP1/CPU0:router# show rpl maximum

 

Current

Current

Max

 

Total

Limit

Limit

------------------------------------------------------------

Lines of configuration

0

65536

131072

Policies

0

3500

5000

Compiled policies size (kB)

0

 

 

RP/0/RP1/CPU0:router#

 

 

 

In the next example, the rpl maximum command changes the currently configured line and policy limits. The show rpl maximum command displays the new settings.

RP/0/RP1/CPU0:router# configure

RP/0/RP1/CPU0:router(config)# rpl maximum policies 4000

RP/0/RP1/CPU0:router(config)# rpl maximum lines 80000

RP/0/RP1/CPU0:router(config)# commit

RP/0/RP1/CPU0:Apr

1 00:23:44.062 : config[65709]: %LIBTARCFG-6-COMMIT : Configu

ration committed by user 'UNKNOWN'.

 

Use 'show configuration commit changes 1000000010'

to vi

 

 

 

 

ew the changes.

 

 

 

 

RP/0/RP1/CPU0:router(config)# exit

 

 

 

RP/0/RP1/CPU0:Apr

1 00:23:47.781 : config[65709]: %SYS-5-CONFIG_I : Configured

from console by console

 

 

 

RP/0/RP1/CPU0:router# show rpl maximum

 

 

 

Current

Current

Max

 

Total

 

Limit

Limit

------------------------------------------------------------

Lines of configuration

0

80000

131072

Policies

 

0

4000

5000

Compiled policies size (kB)

0

 

 

RP/0/RP1/CPU0:router#

 

 

 

Cisco IOS XR Getting Started Guide

3-25

Image 25
Contents Contents Configuring Additional Router FeaturesConfigure Configuring Telnet, HTTP, and XML Host ServicesDomain name-server ipv4-address Commit End Show hosts Related Topic Document TitleFollowing example, the host services are enabled Managing Configuration History and RollbackInstallation and activation of the Manageability Descriptions of the Telnet commandsDisplaying the CommitIDs Show configuration commit list command display Displaying the Configuration History LogRP/0/RP0/CPU0router# show configuration commit list Previewing Rollback Configuration Changes Displaying the Configuration Changes Recorded in a CommitIDConfiguration commit history RP/0/0/CPU0router# show configuration commit changesRP/0/RP0/CPU0router# show configuration rollback changes to Rolling Back the Configuration to a Specific Rollback PointRP/0/RP0/CPU0router# rollback configuration to RP/0/RP0/CPU0router# rollback configuration last Loading the Configuration Changes for a Specific CommitIDDeleting CommitIDs Saving and Loading Target Configuration FilesLoading the Target Configuration from a File Saving the Target Configuration to a FileLoading an Alternative Configuration at System Startup Alarm Logging Correlation Configuring Logging and Logging CorrelationLogging Destination Command Global Configuration Mode Logging Locations and Severity LevelsCommand or Action Purpose Configuring Basic Message LoggingExample Commits the target configuration to the router When a severity level is specified, onlyRunning configuration Ends the configuration session and returns toCommands used to configure logging Configuration of system loggingConfiguration of alarm correlation and generating Creating and Modifying User Accounts and User GroupsCommand Description Configuring User AccountsCreating Users and Assigning Groups Password 0 7 passwordEnd or commit Modify user groups, and configure remote AAA access Configuration LimitingCreate users, assign users to user groups, create Default Absolute Static Route Configuration LimitsMaximum Configuration Command Show Current Settings Command Exec ModeOSPFv2 and v3 Configuration Limits IS-IS Configuration LimitsLimit Mode Exec Mode Maximum-redistributed-prefixes n Show isis adjacencyMaximum interfaces n Show ospf Maximum paths n Show running-config router ospfMaximum redistributed-prefix n Show ospf If the maximum pathsMaximum Interfaces for Each Ospf Instance Default Absolute Maximum Configuration Command BGP Configuration LimitsFeature Limit Description Maximum-prefix n Show bgp neighbor IPaddressMaximum paths Maximum-paths n Show running-configRouting Policy Language Line and Policy Limits RP/0/RP1/CPU0router# show rpl maximum Limit Global Configuration Mode Exec Mode Multicast Configuration LimitsOther Configuration Limits Mpls Configuration Limits
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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.