Reference Guide

TACACS+ Commands
FTOS supports TACACS+ as an alternate method for login authentication.
debug tacacs+
To assist with troubleshooting, view TACACS+ transactions.
S4820T
Syntax
debug tacacs+
To disable debugging of TACACS+, use the no debug tacacs+ command.
Defaults Disabled.
Command Modes EXEC Privilege
Command History
This guide is platform-specific. For command information about other platforms, refer to the
relevant FTOS Command Line Reference Guide .
The following is a list of the FTOS version history for this command.
Version 8.3.19.0 Introduced on the S4820T.
Version 8.3.11.1 Introduced on the Z9000.
Version 8.3.7.0 Introduced on the S4810.
Version 7.6.1.0 Introduced on the S-Series.
Version 7.5.1.0 Introduced on the C-Series.
pre-Version
6.2.1.0
Introduced on the E-Series.
ip tacacs source-interface
Specify an interface’s IP address as the source IP address for TACACS+ connections.
S4820T
Syntax
ip tacacs source-interface interface
To delete a source interface, use the no ip tacacs source-interface command.
Parameters
interface Enter the following keywords and slot/port or number information:
• For a 100/1000 Ethernet interface, enter the keyword
GigabitEthernet then the slot/port information.
• For a Gigabit Ethernet interface, enter the keyword
GigabitEthernet then the slot/port information.
• For Loopback interfaces, enter the keyword loopback then
a number from zero (0) to 16838.
• For the Null interface, enter the keywords null 0.
• For a Port Channel interface, enter the keywords port-
channel
then a number. The range is from 1 to 128.
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