HP J3138A, Installation Manual

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3-13
Configuring the HP AdvanceStack Internet Router
Cisco IOS Software Basics
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Table 3-2. Cisco IOS Operating Modes
a. You can modify the configuration register value using the config-reg configuration command. Refer to the Cisco IOS
configuration guide for more information.
Mode of
Operation Usage How to Enter the Mode Prompt
User EXEC User EXEC commands allow you to
connect to remote devices, change
terminal settings on a temporary basis,
perform basic tests, and list system
information. The EXEC commands
available at the user level are a subset
of those available at the privileged
level. Log in. Router>
Privileged EXEC Privileged EXEC commands set
operating parameters. The privileged
command set includes those
commands contained in user EXEC
mode, and also the
configure
command through which you can
access the remaining command
modes. Privileged EXEC mode also
includes high-level testing commands,
such as
debug .
From user EXEC mode, enter the
enable EXEC command.
Router#
Global
configuration Global configuration commands apply
to features that affect the system as a
whole. From global configuration mode,
enter the
configure privileged
EXEC command.
Router(config)#
Interface
configuration Interface configuration commands
modify the operation of an interface
such as an Ethernet, ISDN, or serial
port. Many features are enabled on a
per-interface basis. Interface
configuration commands always follow
an interface global configuration
command, which defines the interface
type. From global configuration mode,
enter the
interface type number
command. For example, enter the
interface serial 0 command to
configure the serial 0 interface.
Router(config-if)#
ROM monitor ROM monitor commands are used to
perform low-level diagnostics. You can
also use the ROM monitor commands
to recover from a system failure and
stop the boot process in a specific
operating environment.
a
From privileged EXEC mode, enter
the
reload EXEC command or
reset/power-cycle the router.
Press Break during the first
60 seconds while the system is
booting.
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