Tacacs+ Troubleshooting - Planet Networking & Communication WGSW-50040 Configuration Manual

Switch(config)#tacacs-server key test
Switch(config)#authentication login vty tacacs local

29.4 TACACS+ Troubleshooting

In configuring and using TACACS+, the TACACS+ may fail to authentication due to reasons such as physical
connection failure or wrong configurations. The user should ensure the following:

First good condition of the TACACS+ server physical connection.

Second all interface and link protocols are in the UP state (use "show interface" command).

Then ensure the TACACS+ key configured on the switch is in accordance with the one configured on
TACACS+ server.

Finally ensure to connect to the correct TACACS+ server.
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