Undoing A Command Or Feature; Saving Configuration Changes; Saving Configuration Changes; Upgrading To A New Cisco Ios Release - Cisco 2431 - IAD Router Software Configuration Manual

Upgrading to a New Cisco IOS Release

You can press Ctrl-Z in any mode to immediately return to enable mode (
Note
exit, which returns you to the previous mode.
In the Cisco IAD2430 series IADs, the controller port syntax is x/y, where
Note
slot can be 0 (where 0 is the T1/E1 controller on a VWIC) or 1 (the onboard T1/E1), and
port can be 0 (the first port) or 1 (the second port).
See the

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

You need to enter the copy running-config startup-config command to save your configuration
changes to NVRAM, so 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 following appears:
[OK]
Router#
Upgrading to a New Cisco IOS Release
To install or upgrade to a new Cisco IOS release, see
To simplify network operations and management of Cisco IOS software migration, see the
Note
Successful Cisco IOS Software Migration
Cisco IAD2430 Series Integrated Access Devices Software Configuration Guide
1-8
"Port Numbering Conventions" section on page
Chapter 1 Understanding Interface Numbering and Cisco IOS Software Basics
1-5.
Appendix B, "Formatting the Flash Memory."
document.
), instead of entering
Router#
Basics of a
OL-4306-03