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FINAL DRAFT —Cisco Confidential
3-1
Cisco ASR 9000 Series Aggregation Services Router Getting Started Guide
OL-17502-01
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: