Chapter 3 Configuring General Router Features

Logging In to a Router

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

A Remote Authentication Dial In User Service (RADIUS) server

A Terminal Access Controller Access-Control System Plus (TACACS+) server

The username and password validation method that your router uses is determined by the router configuration. For information on configuring username and password validation methods, see the Cisco ASR 9000 Series Aggregation Services Router System Security Configuration Guide. For information on which username and password to use, see your system administrator.

To log in to the router, enter your username and password when prompted. For example:

User Access Verification

Username: cisco

Password: password

RP/0/RSP0/CPU0:router#

Note Passwords are case sensitive. If you want to log in to the router using a root-system username, type the username in the following format: username@admin. To support admin login, local database authentication must be enabled with the aaa authentication login remote local command. For more information, see the Cisco ASR 9000 Series Aggregation Services Router System Security Configuration Guide.

After you log in, the router displays the CLI prompt, which is described in the “CLI Prompt” section on page 3-6. The command set that you can use is determined by the privileges assigned to your username. For information on how privileges are assigned to usernames, see the Cisco ASR 9000 Series Aggregation Services Router System Security Configuration Guide.

CLI Prompt

After you log in, you see the CLI prompt for Cisco IOS XR Software. This prompt identifies the router to which you are issuing commands. The CLI prompt represents the path, through the router, to the CPU that executes the commands you enter. The syntax for the CLI prompt is: type/rack/slot/module: router-name#. The CLI prompt is described in Table 3-1.

Table 3-1 CLI Prompt Description

 

 

 

 

Prompt Syntax Components

Description

 

 

 

 

 

 

 

 

 

 

type

Type of interface or card with which you are communicating. For

 

 

 

 

 

most user communication tasks, the type is “RP.”

 

 

 

 

 

 

 

 

 

 

rack

Rack number. In a standalone router, the rack number is always “0.”

 

 

 

 

 

 

 

 

 

 

slot

Slot in which the RSP is installed. In a Cisco ASR 9000 Series router,

 

 

 

 

 

the RSP physical slot number is “RSP0” or “RSP1.”

 

 

 

 

 

 

 

 

 

 

module

Entity on a card that executes user commands or communicates with

 

 

 

 

 

a port (interface). For executing commands from the EXEC prompt,

 

 

 

 

 

the module is the “CPU0” of the RP. “CPU0” also controls the

 

 

 

 

 

forwarding and operating system (OS) functions for the system.

 

 

 

 

 

 

 

 

 

 

router-name

Hostname of the router. The hostname is usually defined during

 

 

 

 

 

initial configuration of the router, as described in the “Configuring

 

 

 

 

 

the RSP Hostname” section on page 3-32.

 

 

 

 

 

 

 

 

 

Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide

 

 

 

 

 

 

 

 

 

 

 

3-6

 

 

 

OL-17502-01

 

 

 

 

 

 

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Cisco Systems ASR 9000, A9K24X10GETR, A9KMOD80TR manual CLI Prompt, Prompt Syntax Components Description

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.