Cisco ASR 901 User Manual

CHAPTER
1-1
Cisco ASR 901 Aggregation Services Router Command Reference Guide
OL-26031-07
1
Using Command-Line Interface
Revised: July 30, 2014, OL-26031-07
This chapter provides information for understanding the Cisco ASR 901 series router using the
command-line interface (CLI). This chapter includes the following sections:
• Getting Help, page 1-1
• How to Find Command Options, page 1-2
• Understanding Command Modes, page 1-4
• Using the No and Default Forms of Commands, page 1-5
• Saving Configuration Changes, page 1-5
For an overview of the Cisco ASR 901 series router, refer to the Cisco ASR 901 Series Aggregation
Services Router Software Configuration Guide.
Getting Help
To obtain a list of commands that are available for each command mode, enter a question mark (?) at the
system prompt. You also can obtain a list of any command’s associated keywords and arguments with
the context-sensitive help feature.
Table 1-1 lists commands you can enter to get help that is specific to a command mode, a command, a
keyword, or an argument.
Table 1-1 Getting Help
Command Purpose
abbreviated-command-entry? Obtain a list of commands that begin with a
particular character string. (Do not leave a space
between the command and question mark.)
abbreviated-command-entry<Tab> Complete a partial command name.
? List all commands available for a particular
command mode.
command ? List a command’s associated keywords. Leave a
space between the command and question mark.
command keyword ? List a keyword’s associated arguments. Leave a
space between the keyword and question mark.

Cisco ASR 901 Specifications

General

Brand	Cisco
Model	ASR 901
Category	Network Router
Language	English