Terminal Access Controller Access Control System Plus (TACACS+) is a mechanism for providing authentication, authorization, and accounting on a central server, similar in function to the RADIUS (Remote Authentication Dial In User Service) client.
The ExtremeXOS version of TACACS+ is used to authenticate prospective users who are attempting to administer the switch. TACACS+ is used to communicate between the switch and an authentication database.
For detailed information about TACACS+ and configuring TACACS+, see Security.
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