Concept Guide

Contents
1 About this Guide...........................................................................................................................................37
Audience............................................................................................................................................................................37
Conventions...................................................................................................................................................................... 37
Related Documents..........................................................................................................................................................37
2 Conguration Fundamentals........................................................................................................................ 38
Accessing the Command Line........................................................................................................................................38
CLI Modes.........................................................................................................................................................................38
Navigating CLI Modes...............................................................................................................................................40
The do Command............................................................................................................................................................ 43
Undoing Commands........................................................................................................................................................ 43
Obtaining Help..................................................................................................................................................................44
Entering and Editing Commands....................................................................................................................................44
Command History............................................................................................................................................................45
Filtering show Command Outputs.................................................................................................................................45
Example of the grep Keyword.................................................................................................................................. 45
Multiple Users in Conguration Mode...........................................................................................................................46
3 Getting Started............................................................................................................................................47
Console Access................................................................................................................................................................48
Serial Console.............................................................................................................................................................48
Accessing the CLI Interface and Running Scripts Using SSH....................................................................................49
Entering CLI commands Using an SSH Connection..............................................................................................49
Executing Local CLI Scripts Using an SSH Connection........................................................................................49
Default Conguration...................................................................................................................................................... 50
Conguring a Host Name............................................................................................................................................... 50
Accessing the System Remotely................................................................................................................................... 50
Accessing the System Remotely............................................................................................................................. 50
Congure the Management Port IP Address.........................................................................................................50
Congure a Management Route...............................................................................................................................51
Conguring a Username and Password...................................................................................................................51
Conguring the Enable Password..................................................................................................................................52
Conguration File Management.....................................................................................................................................52
Copy Files to and from the System......................................................................................................................... 53
Mounting an NFS File System..................................................................................................................................53
Save the Running-Conguration............................................................................................................................. 55
Congure the Overload Bit for a Startup Scenario............................................................................................... 56
Viewing Files...............................................................................................................................................................56
Compressing Conguration Files..............................................................................................................................57
Managing the File System.............................................................................................................................................. 59
Enabling Software Features on Devices Using a Command Option......................................................................... 60
View Command History.................................................................................................................................................. 60
Contents
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