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Catalyst 6500 Series Switch Software Configuration Guide—Release 8.7
OL-8978-04
Chapter 39 Configuring the Switch Access Using AAA
Configuring Authentication on the Switch
Enabling Kerberos
To enable Kerberos authentication, perform this task in privileged mode:
This example shows how to enable Kerberos as the login authentication method for Telnet and verify the
configuration:
kerberos> (enable) set authentication login kerberos enable telnet
kerberos login authentication set to enable for telnet session.
kerberos> (enable) show authentication
Login Authentication: Console Session Telnet Session
--------------------- ---------------- ----------------
tacacs disabled disabled
radius disabled disabled
kerberos disabled enabled(primary)
local enabled(primary) enabled
Enable Authentication:Console Session Telnet Session
---------------------- ----------------- ----------------
tacacs disabled disabled
radius disabled disabled
kerberos disabled enabled(primary)
local enabled(primary) enabled
kerberos> (enable)
This example shows how to enable Kerberos as the login authentication method for the console and
verify the configuration:
kerberos> (enable) set authentication login kerberos enable console
kerberos login authentication set to enable for console session.
kerberos> (enable) show authentication
Login Authentication: Console Session Telnet Session
--------------------- ---------------- ----------------
tacacs disabled disabled
radius disabled disabled
kerberos enabled(primary) enabled(primary)
local enabled enabled
Enable Authentication:Console Session Telnet Session
---------------------- ----------------- ----------------
tacacs disabled disabled
radius disabled disabled
kerberos enabled(primary) enabled(primary)
local enabled enabled
kerberos> (enable)
Task Command
Step 1
Specify Kerberos as the authentication method. set authentication login kerberos enable [all |
console | http | telnet] [primary]
Step 2
Verify the configuration. show authentication
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