Configuring 802.1X Authentication; Enabling 802.1X Globally - Cisco WS-C4003 - Catalyst 4000 Chassis Switch Software Configuration Manual

Chapter 27 Configuring Switch Access Using AAA
To clear all Kerberos credentials, perform this task in privileged mode:
Task
Clear all credentials.
This example shows how to clear all credentials from the switch:
Console> (enable) clear kerberos creds
Console> (enable)

Configuring 802.1x Authentication

These sections describe how to configure 802.1x authentication on the switch:
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Enabling 802.1x Globally

You must enable 802.1x authentication for the entire system before configuring it for individual ports.
After you globally enable 802.1x authentication, you can configure individual ports for 802.1x
authentication if they meet the specific requirements required by 802.1x. To enable 802.1x
authentication for individual ports, see the
Individual Ports" section on page
78-12647-02
Enabling 802.1x Globally, page 27-39
Disabling 802.1x Globally, page 27-40
Enabling and Initializing 802.1x Authentication for Individual Ports, page 27-40
Setting and Enabling Automatic Reauthentication of the Supplicant, page 27-41
Manually Reauthenticating the Supplicant, page 27-42
Enabling Multiple Hosts, page 27-42
Disabling Multiple Hosts, page 27-42
Setting the Quiet Period, page 27-43
Setting the Authenticator-to-Supplicant Retransmission Time for EAP-Request/Identity Frames,
page 27-43
Setting the Back-End Authenticator-to-Supplicant Retransmission Time for EAP-Request Frames,
page 27-43
Setting the Back-End Authenticator-to-Authentication-Server Retransmission Time for Transport
Layer Packets, page 27-44
Setting the Back-End Authenticator-to-Supplicant Frame-Retransmission Number, page 27-44
Resetting the 802.1x Configuration Parameters to the Default Values, page 27-45
Setting the Trace Severity, page 27-45
Using the show Commands, page 27-46
Software Configuration Guide—Catalyst 4000 Family, Catalyst 2948G, Catalyst 2980G, Releases 6.3 and 6.4
Command
clear kerberos creds
"Enabling and Initializing 802.1x Authentication for
27-40.
Configuring Authentication
27-39