Contents
vii
Catalyst 3550 Multilayer Switch Software Configuration Guide
78-11194-03
C H A P T E R
6
Administering the Switch
6-1
Preventing Unauthorized Access to Your Switch
6-1
Protecting Access to Privileged EXEC Commands
6-2
Default Password and Privilege Level Configuration
6-3
Setting or Changing a Static Enable Password
6-3
Protecting Enable and Enable Secret Passwords with Encryption
6-4
Disabling Password Recovery
6-5
Setting a Telnet Password for a Terminal Line
6-6
Configuring Username and Password Pairs
6-7
Configuring Multiple Privilege Levels
6-8
Setting the Privilege Level for a Command
6-8
Changing the Default Privilege Level for Lines
6-9
Logging into and Exiting a Privilege Level
6-10
Controlling Switch Access with
6-10
Understanding
6-10
Operation
6-12
Configuring
6-13
Default Configuration
6-13
Identifying the Server Host and Setting the Authentication Key
6-13
Configuring Login Authentication
6-14
Configuring Authorization for Privileged EXEC Access and Network Services
6-16
Starting Accounting
6-17
Displaying the Configuration
6-17
Controlling Switch Access with RADIUS
6-17
Understanding RADIUS
6-18
RADIUS Operation
6-19
Configuring RADIUS
6-19
Default RADIUS Configuration
6-20
Identifying the RADIUS Server Host
6-20
Configuring RADIUS Login Authentication
6-23
Defining AAA Server Groups
6-24
Configuring RADIUS Authorization for User Privileged Access and Network Services
6-26
Starting RADIUS Accounting
6-27
Configuring Settings for All RADIUS Servers
6-28
Configuring the Switch to Use Vendor-Specific RADIUS Attributes
6-28
Configuring the Switch for Vendor-Proprietary RADIUS Server Communication
6-29
Displaying the RADIUS Configuration
6-30
Configuring the Switch for Local Authentication and Authorization
6-31