Cisco ESW-520-48P-K9 Software Guide - Page 130
Abbreviating Commands, Undoing Commands, Command-Line Error Messages, Saving Configuration Changes
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Saving Configuration Changes Appendix A Cisco IOS Software Basic Skills Abbreviating Commands You only have to enter enough characters for the router to recognize the command as unique. This example shows how to enter the show version command: Router # sh v Undoing Commands If you want to disable a feature or undo a command you entered, you can enter the keyword no before most commands; for example, no ip routing. Command-Line Error Messages Table A-3 lists some error messages that you might encounter while using the CLI to configure your router. Table A-3 Common CLI Error Messages Error Message % Ambiguous command: "show con" % Incomplete command. % Invalid input detected at '^' marker. Meaning How to Get Help You did not enter enough characters for your router to recognize the command. Reenter the command, followed by a question mark (?) with no space between the command and the question mark. The possible keywords that you can enter with the command are displayed. You did not enter all of the keywords or values required by this command. Reenter the command, followed by a question mark (?) with no space between the command and the question mark. The possible keywords that you can enter with the command are displayed. You entered the command Enter a question mark (?) to incorrectly. The error occurred display all of the commands that where the caret mark (^) appears. are available in this particular command mode. Saving Configuration Changes You need to enter the copy running-config startup-config command to save your configuration changes to nonvolatile RAM (NVRAM) so that they are not lost if there is a system reload or power outage. This example shows how to use this command to save your changes: Router# copy running-config startup-config Destination filename [startup-config]? Cisco Secure Router 520 Series Software Configuration Guide A-6 OL-14210-01