ZyXEL XGS4700-48F User Guide - Page 250
Advanced Application > AAA > TACACS+ Server Setup
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Chapter 25 AAA The following table describes the labels in this screen. Table 70 Advanced Application > AAA > TACACS+ Server Setup LABEL Authentication Server Mode DESCRIPTION Use this section to configure your TACACS+ authentication settings. This field is only valid if you configure multiple TACACS+ servers. Select index-priority and the Switch tries to authenticate with the first configured TACACS+ server, if the TACACS+ server does not respond then the Switch tries to authenticate with the second TACACS+ server. Timeout Select round-robin to alternate between the TACACS+ servers that it sends authentication requests to. Specify the amount of time in seconds that the Switch waits for an authentication request response from the TACACS+ server. Index IP Address TCP Port Shared Secret Delete Apply Cancel Accounting Server Timeout Index IP Address TCP Port If you are using index-priority for your authentication and you are using two TACACS+ servers 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. This is a read-only number representing a TACACS+ server entry. Enter the IP address of an external TACACS+ server in dotted decimal notation. The default port of a TACACS+ server for authentication is 49. You need not change this value unless your network administrator instructs you to do so. 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. Check this box if you want to remove an existing TACACS+ server entry from the Switch. This entry is deleted when you click Apply. Click Apply to save your changes to the Switch's run-time memory. The Switch loses these changes if it is turned off or loses power, so use the Save link on the top navigation panel to save your changes to the nonvolatile memory when you are done configuring. Click Cancel to begin configuring this screen afresh. Use this section to configure your TACACS+ accounting settings. Specify the amount of time in seconds that the Switch waits for an accounting request response from the TACACS+ server. This is a read-only number representing a TACACS+ accounting server entry. Enter the IP address of an external TACACS+ accounting server in dotted decimal notation. The default port of a TACACS+ accounting server is 49. You need not change this value unless your network administrator instructs you to do so. 250 XGS4700-48F User's Guide