Dell Force10 Z9000 FTOS Configuration Guide for Z9000 System - Page 787

To get enable authentication from the RADIUS server, and use TACACS as a backup, issue the following commands: FTOS(config)# aaa authentication enable default radius tacacs Radius and TACACS server has to be properly setup for this. FTOS(config)# radius-server host x.x.x.x key FTOS(config)# tacacs-server host x.x.x.x key To use local authentication for enable secret on console, while using remote authentication on VTY lines, perform the following steps: FTOS(config)# aaa authentication enable mymethodlist radius tacacs FTOS(config)# line vty 0 9 FTOS(config-line-vty)# enable authentication mymethodlist Server-side configuration TACACS+: When using TACACS+, Dell Force10 sends an initial packet with service type SVC_ENABLE, and then, a second packet with just the password. The TACACS server must have an entry for username $enable$. RADIUS: When using RADIUS authentication, FTOS sends an authentication packet with the following: Username: $enab15$ Password: Therefore, the RADIUS server must have an entry for this username. AAA Authorization FTOS enables AAA new-model by default.You can set authorization to be either local or remote. Different combinations of authentication and authorization yield different results. By default, FTOS sets both to local. Privilege Levels Overview Limiting access to the system is one method of protecting the system and your network. However, at times, you might need to allow others access to the router and you can limit that access to a subset of commands. In FTOS, you can configure a privilege level for users who need limited access to the system. Every command in FTOS is assigned a privilege level of 0, 1 or 15. You can configure up to 16 privilege levels in FTOS. FTOS is pre-configured with 3 privilege levels and you can configure 13 more. The three pre-configured levels are: Security | 787