Cisco WS-C4003 Software Guide - Page 376
Clearing the TACACS+ Key, Disabling TACACS+ Authentication, keywords if
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Configuring Authentication Chapter 27 Configuring Switch Access Using AAA Clearing the TACACS+ Key To clear the TACACS+ key, perform this task in privileged mode: Step 1 Step 2 Task Clear the TACACS+ key. Verify the TACACS+ configuration. Command clear tacacs key show tacacs This example shows how to clear the TACACS+ key: Console> (enable) clear tacacs key TACACS server key cleared. Console> (enable) Disabling TACACS+ Authentication If you disable TACACS+ authentication with both RADIUS and local authentication disabled, local authentication is reenabled automatically. To disable TACACS+ authentication, perform this task in privileged mode: Step 1 Step 2 Step 3 Task Command Disable TACACS+ authentication for normal login mode. Use the console or telnet keywords if you want to disable TACACS+ only for console port or Telnet connection attempts. set authentication login tacacs disable [all | console | http | telnet] Disable TACACS+ authentication for enable mode. Use the console or telnet keywords if you want to disable TACACS+ only for console port or Telnet connection attempts. set authentication enable tacacs disable [all | console | http | telnet] Verify the TACACS+ configuration. show authentication This example shows how to disable TACACS+ authentication for console and Telnet connections and how to verify the configuration: Console> (enable) set authentication login tacacs disable tacacs login authentication set to disable for console and telnet session. Console> (enable) set authentication enable tacacs disable tacacs enable authentication set to disable for console and telnet session. Console> (enable) show authentication Login Authentication tacacs radius local Console Session disabled disabled enabled(primary) Telnet Session disabled disabled enabled(primary) Enable Authentication: Console Session Telnet Session tacacs disabled disabled radius disabled disabled local enabled(primary) enabled(primary) Console> (enable) 27-22 Software Configuration Guide-Catalyst 4000 Family, Catalyst 2948G, Catalyst 2980G, Releases 6.3 and 6.4 78-12647-02