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192

Chapter 4

Introduction to the Cisco IOS and SDM

range interface range command

yourname(config)#interface fastEthernet 0/0

yourname(config-if)#

Did you notice that the prompt changed to yourname(config-if)#? This tells you that

you’re in interface configuration mode. And wouldn’t it be nice if the prompt also gave you

an indication of what interface you were configuring? Well, at least for now we’ll have to live

without the prompt information, because it doesn’t. One thing is for sure: You really have to

pay attention when configuring a router!

Subinterfaces

Subinterfaces allow you to create logical interfaces within the router. The prompt then changes

to yourname(config-subif)#:

yourname(config-if)#interface f0/0.1

yourname(config-subif)#

You can read more about subinterfaces in CCNA Study Guide Exam 640-802,

Sixth Edition (Sybex, 2007).

Line Commands

To configure user-mode passwords, use the line command. The prompt then becomes

yourname(config-line)#:

yourname#config t

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

yourname(config)#line ?

<0-337> First Line number

aux Auxiliary line

console Primary terminal line

tty Terminal controller

vty Virtual terminal

x/y Slot/Port for Modems

x/y/z Slot/Subslot/Port for Modems

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.

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Cisco 2501 - Router - EN Manual de usuario Pagina 14