CCNA 新版（英文）D20S01L03.pps

© 2002, Cisco Systems, Inc. All rights reserved.
© 2002, Cisco Systems, Inc. All rights reserved.
2
Starting a Router
Objectives
pleting this lesson, you will be able to:
Start a router and recognize the normal boot sequence
Use mand-line interface to interact with the Cisco IOS software, given an operational router
Use the online help facilities associated with mand-line interfaces, given an operational router
System startup routines initiate router software
Router falls back to startup alternatives if needed
Initial Startup of the Cisco Router
Unconfigured Versus Configured Router
Bootup Output from the Router
Router#setup
--- System Configuration Dialog ---
Continue with configuration dialog? [yes/no]: yes
At any point you may enter a question mark '?' for help.
Use ctrl-c to abort configuration dialog at any prompt.
Default settings are in square brackets '[]'.
Basic management setup configures only enough connectivity
for management of the system, extended setup will ask you
to configure each interface on the system
Would you like to enter basic management setup? [yes/no]: no
Setup: The Initial Configuration Dialog
Setup Interface Summary
First, would you like to see the current interface summary? [yes]:
Interface IP-Address OK? Method Status Protocol
BRI0 unassigned YES unset administratively down down
BRI0:1 unassigned YES unset administratively down down
BRI0:2 unassigned YES unset administratively down down
0 unassigned YES unset administratively down down
Serial0 unassigned YES unset administratively down down
Interfaces Found During Startup
Setup Initial Global Parameters
Configuring global parameters:
Enter host name [Router]:wg_ro_c
The enable secret is a password used to protect access to
privileged EXEC and configuration modes. This password, after
entered, es encrypted in the configuration.
Enter enable secret: cisco
The enable password is used when you do not specify an
enable secret password, with some older