Concept Guide

Contents
1 About this Guide...........................................................................................................................................35
Audience........................................................................................................................................................................... 35
Conventions......................................................................................................................................................................35
Related Documents......................................................................................................................................................... 35
2 Conguration Fundamentals........................................................................................................................ 36
Accessing the Command Line........................................................................................................................................36
CLI Modes.........................................................................................................................................................................36
Navigating CLI Modes............................................................................................................................................... 38
The do Command............................................................................................................................................................. 41
Undoing Commands.........................................................................................................................................................41
Obtaining Help..................................................................................................................................................................42
Entering and Editing Commands....................................................................................................................................42
Command History............................................................................................................................................................ 43
Filtering show Command Outputs................................................................................................................................. 43
Example of the grep Keyword.................................................................................................................................. 43
Multiple Users in Conguration Mode...........................................................................................................................44
3 Getting Started............................................................................................................................................45
Console Access................................................................................................................................................................46
Serial Console.............................................................................................................................................................46
Accessing the CLI Interface and Running Scripts Using SSH....................................................................................47
Entering CLI commands Using an SSH Connection..............................................................................................47
Executing Local CLI Scripts Using an SSH Connection........................................................................................ 47
Default Conguration...................................................................................................................................................... 48
Conguring a Host Name............................................................................................................................................... 48
Accessing the System Remotely....................................................................................................................................48
Accessing the System Remotely..............................................................................................................................48
Congure the Management Port IP Address......................................................................................................... 48
Congure a Management Route..............................................................................................................................49
Conguring a Username and Password.................................................................................................................. 49
Conguring the Enable Password..................................................................................................................................50
Conguration File Management.....................................................................................................................................50
Copy Files to and from the System.......................................................................................................................... 51
Mounting an NFS File System...................................................................................................................................51
Save the Running-Conguration..............................................................................................................................53
Congure the Overload Bit for a Startup Scenario............................................................................................... 54
Viewing Files...............................................................................................................................................................54
Compressing Conguration Files............................................................................................................................. 55
Managing the File System...............................................................................................................................................57
Enabling Software Features on Devices Using a Command Option..........................................................................58
View Command History.................................................................................................................................................. 58
Contents
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