1-8
Cisco IAD2430 Series Integrated Access Devices Software Configuration Guide
OL-4306-03
Chapter 1 Understanding Interface Numbering and Cisco IOS Software Basics
Upgrading to a New Cisco IOS Release
Note
You can press
Ctrl-Z
in any mode to immediately return to enable mode (
Router#
), instead of entering
exit
, which returns you to the previous mode.
Note
In the Cisco IAD2430 series IADs, the controller port syntax is
x
/
y
, where
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
“Port Numbering Conventions” section on page 1-5
.
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
Appendix B, “Formatting the Flash Memory.”
Note
To simplify network operations and management of Cisco IOS software migration, see the
Basics of a
Successful Cisco IOS Software Migration
document.