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Chapter 4
Introduction to the Cisco IOS
console Primary terminal line
vty Virtual terminal
Router(config)#line console 0
Router(config-line)#
The line console 0 command is known as a major command (also called
a global command), and any command typed from the (config-line)
prompt is known as a subcommand.
Routing Protocol Configurations
To configure routing protocols like RIP and IGRP, use the prompt (config-
router)#
:
Router#config t
Enter configuration commands, one per line. End with
CNTL/Z.
Router(config)#router rip
Router(config-router)#
It's not important that you understand what each of these commands does at
this time, because all of them will be explained later in great detail. At this
point, you really need to concentrate on becoming familiar with the different
prompts available.
Editing and Help Features
You can use the Cisco advanced editing features to help you configure your
router. If you type in a question mark (?) at any prompt, you'll be given the
list of all the commands available from that prompt:
Router#?
Exec commands:
access-enable Create a temporary Access-List entry
access-profile Apply user-profile to interface
access-template Create a temporary Access-List entry
bfe For manual emergency modes setting
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