Concept Guide

Contents
1 About this Guide...........................................................................................................................................38
Audience............................................................................................................................................................................38
Conventions......................................................................................................................................................................38
Related Documents......................................................................................................................................................... 38
2 Conguration Fundamentals........................................................................................................................ 39
Accessing the Command Line........................................................................................................................................39
CLI Modes.........................................................................................................................................................................39
Navigating CLI Modes................................................................................................................................................41
The do Command............................................................................................................................................................ 44
Undoing Commands........................................................................................................................................................ 44
Obtaining Help..................................................................................................................................................................45
Entering and Editing Commands................................................................................................................................... 45
Command History............................................................................................................................................................46
Filtering show Command Outputs.................................................................................................................................46
Example of the grep Keyword.................................................................................................................................. 46
Multiple Users in Conguration Mode........................................................................................................................... 47
3 Getting Started............................................................................................................................................48
Console Access................................................................................................................................................................49
Serial Console.............................................................................................................................................................49
Accessing the CLI Interface and Running Scripts Using SSH....................................................................................50
Entering CLI commands Using an SSH Connection..............................................................................................50
Executing Local CLI Scripts Using an SSH Connection........................................................................................50
Default Conguration....................................................................................................................................................... 51
Conguring a Host Name................................................................................................................................................ 51
Accessing the System Remotely.................................................................................................................................... 51
Accessing the System Remotely.............................................................................................................................. 51
Congure the Management Port IP Address..........................................................................................................51
Congure a Management Route..............................................................................................................................52
Conguring a Username and Password..................................................................................................................52
Conguring the Enable Password..................................................................................................................................53
Conguration File Management.....................................................................................................................................53
Copy Files to and from the System......................................................................................................................... 54
Mounting an NFS File System..................................................................................................................................54
Save the Running-Conguration..............................................................................................................................56
Congure the Overload Bit for a Startup Scenario................................................................................................57
Viewing Files............................................................................................................................................................... 57
Compressing Conguration Files............................................................................................................................. 58
Managing the File System.............................................................................................................................................. 60
Enabling Software Features on Devices Using a Command Option.......................................................................... 61
View Command History................................................................................................................................................... 61
Contents
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