Cisco Nexus 9000 Series - Configuring the Global Source Interface for TACACS+ Server Groups; Allowing Users to Specify a TACACS+ Server at Login

Configuring the Global Source Interface for TACACS+ Server Groups
You can configure a global source interface for TACACS+ server groups to use when accessing TACACS+
servers. You can also configure a different source interface for a specific TACACS+ server group. By default,
the Cisco NX-OS software uses any available interface.
SUMMARY STEPS
1. configure terminal
2. ip tacacs source-interface interface
3. exit
4. (Optional) show tacacs-server
5. (Optional) copy running-config startup config
DETAILED STEPS
PurposeCommand or Action
Enters global configuration mode.configure terminal
Example:
Step 1
switch# configure terminal
switch(config)
Configures the global source interface for all TACACS+
server groups configured on the device.
ip tacacs source-interface interface
Example:
Step 2
switch(config)# ip tacacs source-interface mgmt 0
Exits configuration mode.exit
Example:
Step 3
switch(config)# exit
switch#
Displays the TACACS+ server configuration information.(Optional) show tacacs-server
Example:
Step 4
switch# show tacacs-server
Copies the running configuration to the startup
configuration.
(Optional) copy running-config startup config
Example:
Step 5
switch# copy running-config startup-config
Related Topics
Enabling TACACS+ , on page 73
Configuring TACACS+ Server Groups, on page 77
Allowing Users to Specify a TACACS+ Server at Login
You can configure the switch to allow the user to specify which TACACS+ server to send the authentication
request by enabling the directed-request option. By default, a Cisco NX-OS device forwards an authentication
Cisco Nexus 9000 Series NX-OS Security Configuration Guide, Release 9.x
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Configuring TACACS+
Configuring the Global Source Interface for TACACS+ Server Groups