Cisco VG400 series Manuale di configurazione del software - Pagina 9
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Understanding Interface Numbering and Cisco IOS Software Basics
Undoing a Command or Feature
If you want to undo a command you entered or disable a feature, enter the keyword no before most commands.
For example, no ip routing.
Saving Configuration Changes
Enter the copy running-config startup-config command to save your configuration changes to nonvolatile
random-access memory (NVRAM). Doing so ensures that the changes are not lost if there is a system reload
or power outage. For example:
Router# copy running-config startup-config
Building configuration...
It might take a minute or two to save the configuration to NVRAM. After the configuration has been saved,
the screen displays the following:
[OK]
Router#
Upgrading to a New Cisco IOS Release
To install or upgrade to a new Cisco IOS release, see
Where to Go Next
Now that you have learned some Cisco IOS software basics, you can begin to configure the router using the
CLI.
Remember that:
• You can use the question mark (?) and arrow keys to help you enter commands.
• Each command mode restricts you to a set of commands. If you have difficulty entering a command,
• To disable a feature, enter the keyword no before the command. For example, no ip routing.
• Save your configuration changes to NVRAM so the changes are not lost if there is a system reload or
Proceed to
check the prompt and then enter the question mark (?) for a list of available commands. You might be
in the wrong command mode or be using the wrong syntax.
power outage.
Configuring the Host Name and Password, on page 5
How to Update or Upgrade Cisco IOS Software
to begin configuring the router.
Cisco VG400 Voice Gateway Software Configuration Guide
Undoing a Command or Feature
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