Cisco WS-C2960S-24PD-L Software Guide - Page 180
Configuring Login Authentication
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Configuring TACACS+ Chapter 6 Configuring the System Beginning in privileged EXEC mode, follow these steps to configure the TACACS+ server: Step 1 Command tacacs-server host name [timeout integer] [key string] Step 2 tacacs-server retransmit retries Step 3 tacacs-server timeout seconds Step 4 tacacs-server attempts count Step 5 tacacs-server key key Step 6 exit Step 7 show tacacs Purpose Define a TACACS+ host. Entering the timeout and key parameters with this command overrides the global values that you can enter with the tacacs-server timeout (Step 3) and the tacacs-server key commands (Step 5). Enter the number of times the server searches the list of TACACS+ servers before stopping. The default is two. Set the interval that the server waits for a TACACS+ server host to reply. The default is 5 seconds. Set the number of login attempts that can be made on the line. Define a set of encryption keys for all of TACACS+ and communication between the access server and the TACACS daemon. Repeat the command for each encryption key. Return to privileged EXEC mode. Verify your entries. Configuring Login Authentication Beginning in privileged EXEC mode, follow these steps to configure login authentication by using AAA/TACACS+: Step 1 Step 2 Step 3 Step 4 Step 5 Step 6 Step 7 Command configure terminal aaa new-model aaa authentication login {default | list-name} method1 [method2...] line [aux | console | tty | vty] line-number [ending-line-number] login authentication {default | list-name} exit show running-config Purpose Enter global configuration mode. Enable AAA/TACACS+. Enable authentication at login, and create one or more lists of authentication methods. Enter line configuration mode, and configure the lines to which you want to apply the authentication list. Apply the authentication list to a line or set of lines. Return to privileged EXEC mode. Verify your entries. 6-52 Catalyst 2900 Series XL and Catalyst 3500 Series XL Software Configuration Guide 78-6511-08