Cisco WS-C2980G-A Software Guide - Page 481
Defining and Clearing a Private DES Key, key that the switch shares with the KDC so that when
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Chapter 30 Configuring Switch Access Using AAA Configuring Authentication This example shows how to disable the credentials forwarding configuration and verify the change: Console> (enable) clear kerberos credentials forward Kerberos credentials forwarding disabled Console> (enable) show kerberos Kerberos Local Realm not configured Kerberos server entries: Kerberos DomainRealm entries: Kerberos Clients NOT Mandatory Kerberos Credentials Forwarding Disabled Kerberos Pre Authentication Method set to None Kerberos config key: Kerberos SRVTAB Entries Console> (enable) To clear the Kerberos clients' mandatory configuration, perform this task in privileged mode: Task Clear the Kerberos clients' mandatory configuration. Command clear kerberos clients mandatory This example shows how to clear the clients' mandatory configuration and verify the change: Console> (enable) clear kerberos clients mandatory Kerberos clients mandatory cleared Console> (enable) show kerberos Kerberos Local Realm not configured Kerberos server entries: Kerberos DomainRealm entries: Kerberos Clients NOT Mandatory Kerberos Credentials Forwarding Disabled Kerberos Pre Authentication Method set to None Kerberos config key: Kerberos SRVTAB Entries Console> (enable) Kerberos server entries: Kerberos DomainRealm entries: Kerberos Clients Mandatory Kerberos Credentials Forwarding Disabled Kerberos Pre Authentication Method set to Encrypted Unix Time Stamp Kerberos config key: Kerberos SRVTAB Entries Console> (enable) Defining and Clearing a Private DES Key You can define a private DES key for the switch. You can use the private DES key to encrypt the secret key that the switch shares with the KDC so that when the show kerberos command is executed, the secret key is not displayed in clear text. The key length should be eight characters or less. 78-15486-01 Catalyst 4500 Series, Catalyst 2948G, Catalyst 2980G Switches Software Configuration Guide-Release 8.1 30-37
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