Reference Guide
Security | 1347
Parameters
Defaults
Not configured.
Command Mode
CONFIGURATION
Command
History
tacacs-server host
c e s
Specify a TACACS+ host.
Syntax
tacacs-server host
 {hostname | ipv4-address | ipv6-address} [port number] [timeout 
seconds] [key key]
Parameters
interface
Enter the following keywords and slot/port or number information:
• For a 100/1000 Ethernet interface, enter the keyword 
GigabitEthernet 
followed by the slot/port information.
• For a Gigabit Ethernet interface, enter the keyword 
GigabitEthernet 
followed by the slot/port information. 
• For Loopback interfaces, enter the keyword 
loopback followed by a 
number from zero (0) to 16838.
• For the Null interface, enter the keywords 
null 0.
• For a Port Channel interface, enter the keyword port-channel followed 
by a number:
C-Series and S-Series Range: 1 to 128
E-Series Range: 1 to 32 for EtherScale, 1 to 255 for TeraScale and 1 to 
512 for ExaScale. 
• For a SONET interface, enter the keyword 
sonet followed by the slot/
port information. 
• For a Ten Gigabit Ethernet interface, enter the keyword 
TenGigabitEthernet followed by the slot/port information. 
• For a 40-Gigabit Ethernet interface, enter the keyword 
fortyGigE 
followed by the slot/port information.
• For VLAN interface, enter the keyword 
vlan followed by a number from 
1 to 4094.
Version 8.3.19.0 Introduced on S4820T
Version 8.5.1.0 Added support for 4-port 40G line cards on ExaScale.
Version 8.3.7.0 Introduced on S4810 
Version 7.6.1.0 Introduced for S-Series
Version 7.5.1.0 Introduced for C-Series
pre-Version 6.2.1.1 Introduced on E-Series
hostname
Enter the name of the TACACS+ server host.
ipv4-address | 
ipv6-address
Enter the IPv4 address (A.B.C.D) or IPv6 address (X:X:X:X::X), of the 
TACACS+ server host.










