Cisco WS-C2948G-GE-TX Configuration Manual page 468

Configuring Authentication
This example shows how to clear a specific TACACS+ server from the configuration:
Console> (enable) clear tacacs server 172.20.52.3
172.20.52.3 cleared from TACACS table
Console> (enable)
This example shows how to clear all TACACS+ servers from the configuration:
Console> (enable) clear tacacs server all
All TACACS servers cleared
Console> (enable)
Clearing the TACACS+ Key
To clear the TACACS+ key, perform this task in privileged mode:
Task
Step 1
Clear the TACACS+ key.
Step 2 Verify the TACACS+ configuration.
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:
Task
Step 1 Disable TACACS+ authentication for normal login
mode. Use the console or telnet keywords if you
want to disable TACACS+ only for console port or
for Telnet connection attempts.
Step 2
Disable TACACS+ authentication for enable mode.
Use the console or telnet keywords if you want to
disable TACACS+ only for console port or for Telnet
connection attempts.
Step 3
Verify the TACACS+ configuration.
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
Catalyst 4500 Series, Catalyst 2948G, Catalyst 2948G-GE-TX, and Catalyst 2980G Switches Software Configuration Guide—Release 8.2GLX
30-22
Chapter 30 Configuring Switch Access Using AAA
Command
clear tacacs key
show tacacs
Command
set authentication login tacacs disable [all |
console | http | telnet]
set authentication enable tacacs disable [all |
console | http | telnet]
show authentication
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