F I N A L D R A F T — C i s c o C o n f i d e n t i a l

C H A P T E R 3

Configuring General Router Features

This chapter describes how to communicate with the router using command-line interface (CLI). This chapter also shows basic Cisco IOS XR Software configuration management.

Contents

•Connecting to and Communicating with the Router, page 3-1

•Logging In to a Router, page 3-5

•Navigating Cisco IOS XR Software Command Modes, page 3-11

•Managing Configuration Sessions, page 3-16

•Configuring the Management Ethernet Interface, page 3-33

•Manually Setting the Router Clock, page 3-38

•Where to Go Next, page 3-40

Connecting to and Communicating with the Router

To use a router running Cisco IOS XR Software, first connect to it using a terminal or a PC. Before you connect to the router, determine which entity to manage. You can manage router hardware or named RSPs.

Connections are made through a direct physical connection to the Console port or through management interfaces. To connect through the management interfaces, establish IP addresses and a default gateway.

The first time a router starts, use a direct connection to the Console port to type the configuration information. When directly connected to the Console port, enter CLI commands at a terminal or computer running terminal emulation software. This direct Console port connection is useful for debugging as well.

Configure the Management Ethernet interface, described in the “Configuring the Management Ethernet Interface” section on page 3-33. Router management and configuration can take place over an Ethernet network connected to the Management Ethernet interface. Simple Network Management Protocol (SNMP) agents also use the network connection.

You can use the modem connection for remote communications with the router. If the Management Ethernet interface fails, the modem connection is an alternate path.

The following sections describe how to connect to the router:

Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide

 

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Cisco Systems A9K24X10GETR, ASR 9000 Configuring General Router Features, Connecting to and Communicating with the Router
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A9KMOD80TR, A9K24X10GETR, ASR 9000 specifications

Cisco Systems has long been a leader in networking technology, providing cutting-edge solutions for service providers and enterprise organizations alike. Among their standout products is the Cisco ASR 9000 Series Aggregation Services Routers, notably the A9K24X10GETR and the A9KMOD80TR models. These routers are engineered to deliver unmatched performance, scalability, and versatility for networks that require high bandwidth and low latency.

The Cisco ASR 9000 Series is built for the needs of today's complex service provider and enterprise networks. A significant feature of the A9K24X10GETR is its 24-port 10-Gigabit Ethernet module. This functionality allows for high-density connectivity, making it ideal for aggregating numerous connections to different parts of a network while maintaining optimal performance. Whether used for Internet service providers delivering high-speed connectivity or for enterprises looking to connect multiple branches, the A9K24X10GETR provides robust and reliable data transmission.

Further enhancing the capabilities of the ASR 9000 is the A9KMOD80TR module, which supports an extensive range of services. This module is designed to run a variety of technologies, including Layer 2 and Layer 3 services, MPLS (Multiprotocol Label Switching), and IPv6. Its ability to integrate seamlessly into existing infrastructures while providing the advanced features customers demand makes it an invaluable asset for network engineering teams.

Another cutting-edge technology present in the ASR 9000 Series is its support for eBGP (External Border Gateway Protocol), which plays a critical role in managing traffic across multiple networks. The routers are equipped with advanced telemetry features, empowering operators with real-time insights into network performance and health. Additionally, they come with integrated security features that protect against DDoS threats and other vulnerabilities.

In summary, Cisco's ASR 9000 Series, particularly the A9K24X10GETR and A9KMOD80TR, combines high-density connections, extensive service support, and advanced security and telemetry capabilities. These routers are perfect for demanding environments where reliable performance and adaptability are crucial. With their focus on innovation and performance, Cisco continues to shape the future of networking technology.
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