Cisco Systems IOS XR manual Configuring Telnet, HTTP, and XML Host Services, Configure

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Chapter 3 Configuring Additional Router Features

Configuring Telnet, HTTP, and XML Host Services

To configure the DNS and DNS server, complete the following steps:

SUMMARY STEPS

1.configure

2.domain name domain-name-of-organization

3.domain name-server ipv4-address

4.commit

5.end

6.show hosts

Examples

In the following example, the domain name and DNS are configured:

RP/0/RP0/CPU0:router# configure

RP/0/RP0/CPU0:router(config)# domain name cisco.com

RP/0/RP0/CPU0:router(config)# domain name-server 10.1.1.1

RP/0/RP0/CPU0:router(config)# commit

RP/0/RP0/CPU0:router(config)# end

RP/0/RP0/CPU0:router# show hosts

Default domain is cisco.com

Name/address lookup uses domain service

Name servers: 10.1.1.1

Related Documents

Related Topic

Document Title

 

 

Complete descriptions of the domain services

Implementing Host Services and Applications on Cisco IOS XR

commands

Software in the Cisco IOS XR IP Addresses and Services

 

Configuration Guide

 

 

Configuring Telnet, HTTP, and XML Host Services

For security, some host services are disabled by default. Host services, such as Telnet, Extensible Markup Language (XML), and HTTP, can be optionally enabled using the commands described in this section. Host services provide the following features:

•Enabling the Telnet server allows users to log in to the router using IPv4 or IPv6 Telnet clients.

•Enabling the HTTP server allows users to log in to the router using the CWI.

•Enabling the XML agent enables XML Common Object Request Broker Architecture (CORBA) agent services so that you can manage and configure the router using an XML interface.

Note IPv6 is not supported on the Cisco XR 12000 Series Router.

Cisco IOS XR Getting Started Guide

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Contents Configuring Additional Router Features ContentsDomain name-server ipv4-address Commit End Show hosts Configuring Telnet, HTTP, and XML Host ServicesConfigure Related Topic Document TitleInstallation and activation of the Manageability Managing Configuration History and RollbackFollowing example, the host services are enabled Descriptions of the Telnet commandsDisplaying the CommitIDs RP/0/RP0/CPU0router# show configuration commit list Displaying the Configuration History LogShow configuration commit list command display Configuration commit history Displaying the Configuration Changes Recorded in a CommitIDPreviewing Rollback Configuration Changes RP/0/0/CPU0router# show configuration commit changesRP/0/RP0/CPU0router# rollback configuration to Rolling Back the Configuration to a Specific Rollback PointRP/0/RP0/CPU0router# show configuration rollback changes to Loading the Configuration Changes for a Specific CommitID RP/0/RP0/CPU0router# rollback configuration lastSaving and Loading Target Configuration Files Deleting CommitIDsLoading an Alternative Configuration at System Startup Saving the Target Configuration to a FileLoading the Target Configuration from a File Logging Destination Command Global Configuration Mode Configuring Logging and Logging CorrelationAlarm Logging Correlation Logging Locations and Severity LevelsExample Configuring Basic Message LoggingCommand or Action Purpose Running configuration When a severity level is specified, onlyCommits the target configuration to the router Ends the configuration session and returns toConfiguration of alarm correlation and generating Configuration of system loggingCommands used to configure logging Creating and Modifying User Accounts and User GroupsConfiguring User Accounts Command DescriptionEnd or commit Password 0 7 passwordCreating Users and Assigning Groups Create users, assign users to user groups, create Configuration LimitingModify user groups, and configure remote AAA access Maximum Configuration Command Show Current Settings Command Static Route Configuration LimitsDefault Absolute Exec ModeLimit Mode Exec Mode IS-IS Configuration LimitsOSPFv2 and v3 Configuration Limits Maximum-redistributed-prefixes n Show isis adjacencyMaximum redistributed-prefix n Show ospf Maximum paths n Show running-config router ospfMaximum interfaces n Show ospf If the maximum pathsMaximum Interfaces for Each Ospf Instance Feature Limit Description BGP Configuration LimitsDefault Absolute Maximum Configuration Command Maximum-prefix n Show bgp neighbor IPaddressMaximum-paths n Show running-config Maximum pathsRouting Policy Language Line and Policy Limits RP/0/RP1/CPU0router# show rpl maximum Multicast Configuration Limits Limit Global Configuration Mode Exec ModeMpls Configuration Limits Other 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.