M A G N U M 6 K S W I T C H E S , M N S - 6 K U S E R G U I D ETACACS+ FlowTACACS works in conjunction with the local user list on the MNS-6K software (operatingsystem.) Please refer to User Management for adding users on the MNS-6K software. Theprocess of authentication as well as authorization is shown in the flow chart below.LoginUser in LocalUser List?YesIs User Manager?YesLogin as ManagerLogin as OperatorNoNoTACACS+ Enabled?NoLogoutYesConnect toTACACS server toauthenticateAuthentication failureLogoutAuthenticatedTACACS+authorizationAuthorized asOperator orAuthorization FailureLogin as OperatorAuthorized asManagerLogin as ManagerStartAdditionalServers?LogoutConnection failureNoYesLoginUser in LocalUser List?YesIs User Manager?YesLogin as ManagerLogin as OperatorNoNoTACACS+ Enabled?NoLogoutYesConnect toTACACS server toauthenticateConnect toTACACS server toauthenticateAuthentication failureLogoutAuthenticatedTACACS+authorizationAuthorized asOperator orAuthorization FailureLogin as OperatorAuthorized asManagerLogin as ManagerStartAdditionalServers?AdditionalServers?LogoutConnection failureNoYesFIGURE 71 – Flow chart describing the interaction between local users and TACACS authorizationThe above flow diagram shows the tight integration of TACACS+ authentication with the localuser-based authentication. There are two stages a user goes through in TACACS+. The first stage117
