Cisco ASR 901 User Manual

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Cisco ASR 901 Aggregation Services Router Command Reference Guide

OL-26031-07

Chapter 1 Using Command-Line Interface

How to Find Command Options

This section provides an example of how to display syntax for a command. The syntax can consist of

optional or required keywords. To display keywords for a command, enter a question mark (?) at the

configuration prompt or after entering part of a command followed by a space. The Cisco ASR 901 series

router software displays a list of available keywords along with a brief description of the keywords. For

example, if you are in global configuration mode and want to see all the keywords for the cem command,

you enter cem ?.

Table 1-2 shows examples of how you can use the question mark (?) to assist you in entering commands

and also guides you through entering the following command:

• interface gigabitethernet 0/1

Table 1-2 How to Find Command Options

Command Comment

Router> enable

Password: <password>

Router#

Enter the enable command and

password to access privileged EXEC

commands.

You are in privileged EXEC mode

when the prompt changes to

Router#.

Router# configure terminal

Enter configuration commands, one per line. End with CNTL/Z.

Router(config)#

Enter global configuration mode.

You are in global configuration mode

when the prompt changes to

Router(config)#.

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Cisco ASR 901 Specifications

General

Form Factor	Rack-mountable
Operating Temperature	-40 to 65°C
Product Type	Aggregation Services Router
Rack Height	1 RU
Storage Temperature	-40 to 70°C
Humidity	5% to 95% non-condensing
Weight	4.5 kg
Power Supply	AC or DC
Compliance	RoHS, CE, FCC
Redundancy	Dual power supply option
MTBF	320, 000 hours