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Chapter 4
Introduction to the Cisco IOS
00:00:42: %LINEPROTO-5-UPDOWN: Line protocol on Interface
Ethernet0, changed state to up
00:00:42: %LINEPROTO-5-UPDOWN: Line protocol on Interface
Serial0, changed state to down
00:00:42: %LINEPROTO-5-UPDOWN: Line protocol on Interface
Serial1, changed state to down
00:01:30: %LINEPROTO-5-UPDOWN: Line protocol on Interface
Ethernet0, changed state to down
00:01:31: %LINK-5-CHANGED: Interface Serial0, changed
state to administratively down
00:01:31: %LINK-5-CHANGED: Interface Ethernet0, changed
state to administratively down
00:01:31: %LINK-5-CHANGED: Interface Serial1, changed
state to administratively down
00:01:32: %IP-5-WEBINST_KILL: Terminating DNS process
00:01:38: %SYS-5-RESTART: System restarted --
Cisco Internetwork Operating System Software
IOS (tm) 2500 Software (C2500-DS-L), Version 11.3(9),
RELEASE SOFTWARE (fc1)
Copyright (c) 1986-1999 by cisco Systems, Inc.
Compiled Tue 06-Apr-99 19:23 by dschwart
Logging into the Router
After the interface status messages appear and you press Enter, the Router>
prompt will appear. This is called user mode and is mostly used to view sta-
tistics, though it is also a stepping-stone to logging into privileged mode. You
can only view and change the configuration of a Cisco router in privileged
mode, which you get into with the enable command.
Router>
Router>enable
Router#
You now end up with a Router# prompt, which indicates you're now in
privileged mode, where you can both view and change the router's configu-
ration. You can go back from privileged mode into user mode by using the
disable
command.
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