Reference Guide

Contents
1 About this Guide......................................................................................................35
Audience..............................................................................................................................................35
Conventions........................................................................................................................................ 35
Related Documents.............................................................................................................................35
2 Configuration Fundamentals...............................................................................37
Accessing the Command Line............................................................................................................37
CLI Modes............................................................................................................................................37
Navigating CLI Modes................................................................................................................... 38
The do Command............................................................................................................................... 41
Undoing Commands...........................................................................................................................42
Obtaining Help.................................................................................................................................... 42
Entering and Editing Commands....................................................................................................... 43
Command History...............................................................................................................................44
Filtering show Command Outputs.....................................................................................................44
Multiple Users in Configuration Mode............................................................................................... 45
3 Getting Started........................................................................................................47
Console Access................................................................................................................................... 47
Serial Console................................................................................................................................47
Accessing the CLI Interface and Running Scripts Using SSH............................................................48
S4820T ......................................................................................................................................... 48
Entering CLI commands Using an SSH Connection................................................................... 49
Executing Local CLI Scripts Using an SSH Connection...............................................................49
Default Configuration......................................................................................................................... 50
Configuring a Host Name...................................................................................................................50
Accessing the System Remotely........................................................................................................ 50
Accessing the S4820T and Remotely...........................................................................................50
Configure the Management Port IP Address................................................................................51
Configure a Management Route...................................................................................................51
Configuring a Username and Password....................................................................................... 51
Configuring the Enable Password...................................................................................................... 52
Configuration File Management.........................................................................................................52
Copy Files to and from the System.............................................................................................. 52
Save the Running-Configuration..................................................................................................54
Configure the Overload Bit for a Startup Scenario...................................................................... 55
Viewing Files.................................................................................................................................. 55
Managing the File System...................................................................................................................56