Security
Configuring TACACS+
336 Cisco Small Business 200, 300 and 500 Series Managed Switch Administration Guide (Internal Version)
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• Source IPv4 —(In Layer 3 system mode only) Select the device IPv4
source interface to be used in messages sent for communication with the
TAC AC S+ se r ve r.
• Source IPv6 —(In Layer 3 system mode only) Select the device IPv6
source interface to be used in messages sent for communication with the
TAC AC S+ se r ve r.
NOTE If the Auto option is selected, the system takes the source IP address
from the IP address defined on the outgoing interface.
STEP 4 Click Apply. The TACACS+ default settings are added to the Running
Configuration file. These are used if the equivalent parameters are not defined in
the Add page.
STEP 5 To add a TACACS+ server, click Add.
STEP 6 Enter the parameters.
• Server Definition—Select one of the following ways to identify the
TAC AC S+ se r ve r :
- By IP Address—If this is selected, enter the IP address of the server in
the Server IP Address/Name field.
- By Name—If this is selected enter the name of the server in the Server IP
Address/Name field.
• IP Version—Select the supported IP version of the source address: IPv6 or
IPv4.
• IPv6 Address Type—Select the IPv6 address type (if IPv6 is used). The
options are:
- Link Local—The IPv6 address uniquely identifies hosts on a single
network link. A link local address has a prefix of FE80, is not routable, and
can be used for communication only on the local network. Only one link
local address is supported. If a link local address exists on the interface,
this entry replaces the address in the configuration.
- Global—The IPv6 address is a global Unicast IPV6 type that is visible and
reachable from other networks.
• Link Local Interface—Select the link local interface (if IPv6 Address Type
Link Local is selected) from the list.
• Server IP Address/Name—Enter the IP address or name of the TACACS+
server.
