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............................................................................................................................................46
Console Access................................................................................................................................................................ 47
Serial Console............................................................................................................................................................. 47
Accessing the CLI Interface and Running Scripts Using SSH....................................................................................48
Entering CLI commands Using an SSH Connection..............................................................................................48
Executing Local CLI Scripts Using an SSH Connection........................................................................................48
Default Conguration...................................................................................................................................................... 49
Conguring a Host Name............................................................................................................................................... 49
Accessing the System Remotely....................................................................................................................................49
Accessing the System Remotely..............................................................................................................................49
Congure the Management Port IP Address......................................................................................................... 49
Congure a Management Route..............................................................................................................................50
Conguring a Username and Password..................................................................................................................50
Conguring the Enable Password...................................................................................................................................51
Conguration File Management......................................................................................................................................51
Copy Files to and from the System......................................................................................................................... 52
Mounting an NFS File System..................................................................................................................................52
Save the Running-Conguration..............................................................................................................................54
Congure the Overload Bit for a Startup Scenario............................................................................................... 55
Viewing Files...............................................................................................................................................................55
Compressing Conguration Files............................................................................................................................. 56
Managing the File System.............................................................................................................................................. 58
Enabling Software Features on Devices Using a Command Option..........................................................................59
View Command History.................................................................................................................................................. 59
Contents
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