Manual
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351 
Command 
Explanation 
Global Mode 
tacacs-server timeout <seconds> 
no tacacs-server timeout 
Configure  the  authentication timeout  for  the 
TACACS+  server,  the  “no  tacacs-server 
timeout”  command  restores  the  default 
configuration. 
4.  Configure the IP address of the TACACS+ NAS 
Command 
Explanation 
Global Mode 
tacacs-server nas-ipv4 <ip-address> 
no tacacs-server nas-ipv4 
To configure the  source IP address for  the 
TACACS+ packets for the switch. 
44.3 TACACS+ Scenarios Typical Examples 
TACACS Configuration 
A computer connects to a switch, of which the IP address is 10.1.1.2 and connected with  a 
TACACS+ authentication  server; IP address of the  server is 10.1.1.3 and the authentication 
port is defaulted at 49, set telnet log on authentication of the switch as tacacs local, via using 
TACACS+ authentication server to achieve telnet user authentication. 
Switch(config)#interface vlan 1 
Switch(Config-if-vlan1)#ip address 10.1.1.2 255.255.255.0 
Switch(Config-if-vlan1)#exit 
Switch(config)#tacacs-server authentication host 10.1.1.3 
Switch(config)#tacacs-server key test 
10.1.1.1 
10.1.1.2 
Tacacs 
Server 
10.1.1.3 










