Reference Guide

718 | Security
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• Privilege level 1—is the default level for the EXEC mode. At this level, you can interact with the
router, for example, view some show commands and Telnet and ping to test connectivity, but you
cannot configure the router. This level is often called the “user” level. One of the commands available
in Privilege level 1 is the
enable command, which you can use to enter a specific privilege level.
• Privilege level 0—contains only the
end, enable and disable commands.
• Privilege level 15—the default level for the
enable command, is the highest level. In this level you can
access any command in FTOS.
Privilege levels 2 through 14 are not configured and you can customize them for different users and access.
After you configure other privilege levels, enter those levels by adding the level parameter after the
enable
command or by configuring a user name or password that corresponds to the privilege level. Refer to
Configure a username and password for more information on configuring user names.
By default, commands in FTOS are assigned to different privilege levels. You can access those commands
only if you have access to that privilege level. For example, to reach the
protocol spanning-tree command,
you must log in to the router, enter the
enable command for privilege level 15 (this is the default level for
the command) and then enter the CONFIGURATION mode.
You can configure passwords to control access to the box and assign different privilege levels to users.
FTOS supports the use of passwords when you log in to the system and when you enter the
enable
command. If you move between privilege levels, you are prompted for a password if you move to a higher
privilege level.
Configuration Task List for Privilege Levels
The following list has the configuration tasks for privilege levels and passwords.
• Configure a username and password (mandatory)
• Configure the enable password command (mandatory)
• Configure custom privilege levels (mandatory)
• Specify LINE mode password and privilege (optional)
• Enable and disabling privilege levels (optional)
For a complete listing of all commands related to FTOS privilege levels and passwords, refer to the
Security chapter in the FTOS Command Line Reference Guide.
Configure a username and password
In FTOS, you can assign a specific username to limit user access to the system.