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==Introduction==

==Introduction==

This article contains instructions on configuring a RUTX router to start using the TACACS+ function. The TACACS+ will work on our newest firmware version which currently is 7.3, unfortunately, older firmware versions does not support this function.  

This article contains instructions on configuring a RUTX router to start using the TACACS+ function. TACACS+ (Terminal Access Controller Access Control System) is a security protocol that provides centralized validation of users who are attempting to gain access to a router or other devices. TACACS+ provides separate authentication, authorization, and accounting services. The TACACS+ will work on our newest firmware version which currently is 7.3, unfortunately, older firmware versions does not support this function.  

==Prerequisites==

==Prerequisites==