ZyXEL Communications XS3800-28 User Manual page 299

Advanced Application > AAA > TACACS+ Server Setup
Fig ure 226
The following table describes the labels in this screen.
Table 117 Advanced Application > AAA > TACACS+ Server Setup
L ABEL DESC RIPT IO N
Authentication Use this section to configure your TACACS+ authentication settings.
Server
Mode This field is only valid if you configure multiple TACACS+ servers.
Select
server, if the TACACS+ server does not respond then the Switch tries to authenticate with the
second TACACS+ server.
Select
requests to.
Timeout Specify the amount of time in seconds that the Switch waits for an authentication request
response from the TACACS+ server.
If you are using
then the timeout value is divided between the two TACACS+ servers. For example, if you set
the timeout value to 30 seconds, then the Switch waits for a response from the first TACACS+
server for 15 seconds and then tries the second TACACS+ server.
Index This is a read-only number representing a TACACS+ server entry.
IP Address Enter the IP address of an external TACACS+ server in dotted decimal notation.
TCP Port The default port of a TACACS+ server for authentication is
unless your network administrator instructs you to do so.
Shared Secret Specify a password (up to 32 alphanumeric characters) as the key to be shared between the
external TACACS+ server and the Switch. This key is not sent over the network. This key must be
the same on the external TACACS+ server and the Switch.
Chapter 26 AAA
and the Switch tries to authenticate with the first configured TACACS+
inde x- prio rity
to alternate between the TACACS+ servers that it sends authentication
ro und- ro b in
for your authentication and you are using two TACACS+ servers
inde x- prio rity
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. You need not change this value
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