Functional Overview - Cisco 7401ASR Installation And Configuration Manual

Starting and Configuring
This chapter describes how to start the system and perform a basic configuration for your
Cisco 7401ASR router. The chapter contains the following sections:
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This chapter guides you through a basic router configuration, which is sufficient for you to access your
network. Complex configuration procedures are beyond the scope of this publication and can be found
in the modular configuration and modular command reference publications in the Cisco IOS software
configuration documentation set that corresponds to the software release installed on your Cisco
hardware.
To configure a Cisco 7401ASR router from a console, you need to connect a terminal to the router
console port.

Functional Overview

This section provides a functional overview of the Cisco 7401ASR router. It describes the numbering
and addressing scheme of the port adapter for the router, the environmental monitoring and reporting
functions, and online insertion and removal (OIR). These descriptions help you become familiar with
the capabilities of the Cisco 7401ASR router.
Chassis Slot and Logical Interface Numbering
In the Cisco 7401ASR router, the port-adapter-slot-number is the chassis slot in which a port adapter is
installed, whereas the logical-interface-number is the physical location of the interface port on a port
adapter.
The port adapter slot in the Cisco 7401ASR router is numbered slot 1. Port adapter slot 0 is always
reserved for logical slots 10 |100|1000 on the system board.
OL-5419-01 B0
Functional Overview, page 3-1
Checking Conditions Prior to System Startup, page 3-9
Starting the System and Observing Initial Conditions, page 3-9
Configuring a Cisco 7401ASR Router, page 3-10
Performing Other Configuration Tasks, page 3-21
Replacing or Recovering a Lost Password, page 3-22
Viewing Your System Configuration, page 3-25
Performing Complex Configurations, page 3-27
C H A P T E R
Cisco 7401ASR Installation and Configuration Guide
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