How do I access my TACACS server?

1 Configure the switches with the TACACS+ server addresses.
2 Set an authentication key.
3 Configure the key from Step 2 on the TACACS+ servers.
4 Enable authentication, authorization, and accounting (AAA).
5 Create a login authentication method list.
6 Apply the list to the terminal lines.

Is role-based CLI access better?

Information About Role-Based CLI Access CLI views provide a more detailed access control capability for network administrators, thereby, improving the overall security and accountability of Cisco IOS software.

Table of Contents

Which protocol and port are used by TACACS+?

TACACS+ uses Transmission Control Protocol (TCP) port 49 to communicate between the TACACS+ client and the TACACS+ server.

What is the port number for TACACS?

49
TACACS+ protocol uses Transmission Control Protocol (TCP) as the transport protocol with destination port number 49.

How do I check Tacacs on a Cisco switch?

Choose Switches > Security > AAA > TACACS+ to view the TACACS+ configuration. Choose Switches > Security > AAA to view server group and AAA monitor deadtime values.

How does Tacacs authentication work?

TACACS+ is basically a remote authentication protocol, that will allow a remote access server to communicate with an authentication server in order to validate an user access onto the networking devices. To pass a query to a TACACS+ authentication server, TACACS+ will allow a client to accept a username and password.

Which three types of views are available when configuring the role-based CLI access feature?

Which three types of views are available when configuring the role-based CLI access feature? (Choose three.)

superuser view.
root view.
superview.
CLI view.
admin view.
config view. Answers Explanation & Hints: There are three types of Role-based CLI views: 1) root view. 2) CLI view. 3) superview.

What are the three types of views that role-based CLI provides to dictate which commands are available?

Role-based CLI provides three types of views that dictate which commands are available:

Root View. To configure any view for the system, the administrator must be in root view.
CLI View. A specific set of commands can be bundled into a CLI view.
Superview. A superview consists of one or more CLI views.

What is TACACS authentication protocol?

TACACS+ is a remote authentication protocol, which allows a remote access server to communicate with an authentication server to validate user access onto the network. TACACS+ allows a client to accept a username and password, and pass a query to a TACACS+ authentication server.

What is difference between TACACS and TACACS+?

TACACS (Terminal Access Controller Access Control System) is a security protocol that provides centralized validation of users who are attempting to gain access to a router or NAS. TACACS+ provides separate authentication, authorization and accounting services.

What is network port 49 used for?

Port 49 Details Terminal Access Controller Access-Control System (TACACS) is a remote authentication protocol that is used to communicate with an authentication server commonly used in UNIX networks.

How does TACACS authentication work?

TACACS+ authentication uses three packet types. Start packets and Continue packets are always sent by the user. Reply packets are always sent by the TACACS+ process. TACACS+ sets up a TCP connection to the TACACS+ host and sends a Start packet.

How do I use TACACS directed request?

To send only a username to a specified server when a direct request is issued, use the tacacs-server directed-request command in global configuration mode. To send the entire string to the TACACS+ server, use the no form of this command. the “@” symbol.

How do I check TACACS on a Cisco switch?

What does a Terminal Access Controller Access Control System Plus Tacacs +) keep track of check all that apply?

A network admin deployed a Terminal Access Controller Access Control System Plus (TACACS+) system so other admins can properly manage multiple switches and routers on the local area network (LAN). The system will keep track and log admin access to each device and the changes made.

What are three characteristics of Superviews in the Cisco role based CLI access feature?

Cisco role-based Superviews have several specific characteristics: A single CLI view can be shared within multiple superviews. Commands cannot be configured for a superview. An administrator must add commands to the CLI view and add that CLI view to the superview.

What are the three types of views that role based CLI provides to dictate which commands are available?

What are three characteristics of Superviews in the Cisco role-based CLI access feature?

What Layer 4 protocol does TACACS+ use for communications?

TACACS+ uses TCP instead of UDP. TCP guarantees communication between the client and server.

What ports does RADIUS use?

The RADIUS protocol uses UDP packets. There are two UDP ports used as the destination port for RADIUS authentication packets (ports 1645 and 1812). Note that port 1812 is in more common use than port 1645 for authentication packets.