a server a client The server runs on a central computer typically at the customer's site, while the clients reside in the dial-up access servers and can be distributed throughout the network. Cisco has incorpor
which is never sent over the network. In addition, any user passwords are sent encrypted between the client and RADIUS server, to eliminate the possibility that someone snooping on an unsecured network could determine a user's password.
For more on the TACACS+ services available to you, see the documentation provided with the TACACS+ server application you will use. ■ Authentication: The process for granting user access to a device through entry of a user name and password and comparison of this username/password pair with ...
on page 61 • ARP Inspection, on page 63 • IPv6 First Hop Security, on page 66 • Certificate Settings, on page 84 TACACS+ Client An organization can establish a Terminal Access Controller Access Control System (TACACS+) server to provide centralized security for all of its devices. ...
Comparison (continued) Cisco IOS Command aaa authorization1 TACACS – Extended TACACS – TACACS+ yes aaa group server tacacs+ aaa new-model1 arap authentication1 yes –– yes –– yes arap use-tacacs yes yes – enable last-resort yes yes – enable use-tacacs yes yes – ip tacacs source-...
Table 17 TACACS Command Comparison Cisco IOS Command TACACS Extended TACACS TACACS+ aaa accounting1 - - yes aaa authentication arap1 - - yes aaa authentication enable default1 - - yes aaa authentication login1 - - yes aaa authentication ppp1 - - yes aaa autho...
Issue theset tacacs keyyour_keycommand in order to define the server key, which is optional with TACACS+, as it causes switch-to-server data to be encrypted. If used, it must agree with the server. Note:Cisco Catalyst OS software doesnotaccept the question mark (?) t...