RADIUS :
– Support Authentication and Accounting
– Combines Authentication and Authorization
TACAS+ :
– Support Authentication, Authorization and Accounting
– Separates Authentication & Authorization
Based on the user ID and password combination that you provide, Cisco NX-OS devices perform local authentication or authorization using the local database or remote authentication or authorization using one or more AAA servers.
BC
RADIUS :
– Support Authentication and Accounting
– Combines Authentication and Authorization
TACAS+ :
– Support Authentication, Authorization and Accounting
– Separates Authentication & Authorization
https://www.networkworld.com/article/2838882/radius-versus-tacacs.html or https://www.cisco.com/c/en/us/support/docs/security-vpn/remote-authentication-dial-user-service-radius/12433-32.html
RADIUS :
– Support Authentication and Accounting
– Combines Authentication and Authorization
TACAS+ :
– Support Authentication, Authorization and Accounting
– Separates Authentication & Authorization
BC
https://www.networkworld.com/article/2838882/radius-versus-tacacs.html or https://www.cisco.com/c/en/us/support/docs/security-vpn/remote-authentication-dial-user-service-radius/12433-32.html
RADIUS :
– Support Authentication and Accounting
– Combines Authentication and Authorization
TACAS+ :
– Support Authentication, Authorization and Accounting
– Separates Authentication & Authorization
BD
https://www.cisco.com/c/en/us/td/docs/switches/datacenter/sw/4_1/nx-os/security/configuration/guide/sec_nx-os-cfg/sec_aaa.html#wp1259589
Based on the user ID and password combination that you provide, Cisco NX-OS devices perform local authentication or authorization using the local database or remote authentication or authorization using one or more AAA servers.
Your answer relates to AAA in general, not sepately to Radius or Tacacs
I thank BC correct