How do I connect to Tacacs server?
How do I connect to Tacacs server?
To setup the TACACS+ Server configuration,
- From the menu bar, access Tool -> System Administration.
- Select Global.
- Expand User Management , then select Authentication Servers.
- Select TACACS+ .
- In the Server text field, enter the Server Address .
- If there is a key for the server, enter the Key.
How does a Tacacs Server work?
TACACS+ sets up a TCP connection to the TACACS+ host and sends a Start packet. The TACACS+ host responds with a Reply packet, which either grants or denies access, reports an error, or challenges the user. TACACS+ might challenge the user to provide username, password, passcode, or other information.
Does Tacacs use TCP or UDP?
TACACS+ uses TCP (while RADIUS operates over UDP). Since TCP is a connection oriented protocol, TACACS+ has to implement transmission control. RADIUS, however, does not have to detect and correct transmission errors like packet loss, timeout etc. since it rides on UDP which is connectionless.
Why we use AAA server?
AAA Servers The AAA server is a network server that is used for access control. Authentication identifies the user. Authorization implements policies that determine which resources and services an authenticated user may access. Accounting keeps track of time and data resources that are used for billing and analysis.
Where is TACACS used?
RADIUS was designed to authenticate and log remote network users, while TACACS+ is most commonly used for administrator access to network devices like routers and switches.
What is AAA authorization exec?
Determines the user privilege level when users are authenticated.
What does AAA authentication do?
AAA stands for authentication, authorization, and accounting. AAA is a framework for intelligently controlling access to computer resources, enforcing policies, auditing usage, and providing the information necessary to bill for services.
