Dell PowerConnect 6248 User's Guide - Page 167
Local, RADIUS, None
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- TACACS+ - Authentication occurs at the TACACS+ server. - Local, None - Authentication first occurs locally. - RADIUS, None - Authentication first occurs at the RADIUS server. If authentication cannot be verified, no authentication method is used. Authentication cannot be verified if the remote server cannot be contacted to verify the user. If the remote server can be contacted, then the response from the remote server is always honored. - TACACS+, None - Authentication first occurs at the TACACS+ server. If authentication cannot be verified, no authentication method is used. Authentication cannot be verified if the remote server cannot be contacted to verify the user. If the remote server can be contacted, then the response from the remote server is always honored. - Local, RADIUS - Authentication first occurs locally. If authentication cannot be verified locally, the RADIUS server authenticates the management method. If the RADIUS server cannot authenticate the management method, the session is blocked. - Local, TACACS+ - Authentication first occurs locally. If authentication cannot be verified locally, the TACACS+ server authenticates the management method. If the TACACS+ server cannot authenticate the management method, the session is blocked. - RADIUS, Local - Authentication first occurs at the RADIUS server. If authentication cannot be verified at the RADIUS server, the session is authenticated locally. If the session cannot be authenticated locally, the session is blocked. - TACACS+, Local - Authentication first occurs at the TACACS+ server. If authentication cannot be verified at the TACACS+ server, the session is authenticated locally. If the session cannot be authenticated locally, the session is blocked. - Local, RADIUS, None - Authentication first occurs locally. If authentication cannot be verified locally, the RADIUS server authenticates the management method. If the RADIUS server cannot authenticate the management method, the session is permitted. - RADIUS, Local, None - Authentication first occurs at the RADIUS server. If authentication cannot be verified at the RADIUS server, the session is authenticated locally. If the session cannot be authenticated locally, the session is permitted. - Local, TACACS+, None - Authentication first occurs locally. If authentication cannot be verified locally, the TACACS+ server authenticates the management method. If the TACACS+ server cannot authenticate the management method, the session is permitted. - TACACS+, Local, None - Authentication first occurs at the TACACS+ server. If authentication cannot be verified at the TACACS+ server, the session is authenticated locally. If the session cannot be authenticated locally, the session is permitted. Using a RADIUS Server for Authentication If you use a RADIUS server to authenticate users, you must configure user attributes in the user database on the RADIUS server. The user attributes include the user name, password, and privilege level. NOTE: To set the privilege level, use the Service-Type attribute. Do not us any vendor-specific attribute value pairs. Configuring System Information 167