Using the CLI ································································································································································ 1

Command conventions ····················································································································································· 1

Using the undo form of a command ······························································································································· 2

CLI views ············································································································································································ 2

Entering system view from user view ······················································································································ 3

Returning to the upper-level view from any view ·································································································· 3

Returning to user view from any other view ·········································································································· 3

Accessing the CLI online help ·········································································································································· 4

Entering a command ························································································································································· 5

Editing a command line ··········································································································································· 5

Abbreviating commands·········································································································································· 5

Configuring and using command keyword aliases ······························································································ 5

Configuring and using hotkeys ······························································································································· 6

Enabling redisplaying entered-but-not-submitted commands ··············································································· 7

Understanding command-line error messages ··············································································································· 8

Using the command history function ······························································································································· 8

Viewing history commands ····································································································································· 9

Setting the command history buffer size for user interfaces ················································································ 9

Controlling the CLI output ················································································································································· 9

Pausing between screens of output ························································································································ 9

Filtering the output from a display command ····································································································· 10

Configuring user privilege and command levels ········································································································ 13

Configuring a user privilege level ······················································································································· 13

Switching the user privilege level ························································································································ 16

Changing the level of a command ······················································································································ 19

Saving the running configuration ································································································································· 19

Displaying and maintaining CLI ··································································································································· 20

Login overview ··························································································································································· 21

Login methods at a glance ············································································································································ 21

CLI user interfaces ·························································································································································· 21

User interface assignment ····································································································································· 22

User interface identification ································································································································· 22

Logging in to the CLI ·················································································································································· 23

Logging in through the console/AUX port for the first time ······················································································· 23

Configuring console login control settings ·················································································································· 25

Disabling authentication for console login ········································································································· 26

Configuring password authentication for console login ··················································································· 26

Configuring scheme authentication for console login ······················································································· 27

Configuring common console user interface settings (optional) ······································································· 28

Logging in through Telnet ·············································································································································· 30

Disabling authentication for Telnet login ············································································································ 31

Configuring password authentication for Telnet login ······················································································ 32

Configuring scheme authentication for Telnet login ·························································································· 33

Configuring common VTY user interface settings (optional) ············································································· 35

Using the device to log in to a Telnet server ······································································································ 36

Logging in through SSH ················································································································································ 37

Configuring the SSH server on the device ·········································································································· 38

Using the device to log in to an SSH server ······································································································· 39