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GS700AT Series Smart Switch Software Administration Manual
6-6 Managing Security
v1.0, March 2008
TACACS+
Terminal Access Controller Access Control System (TACACS+) provides centralized security
user access validation. The system supports up-to 2 TACACS+ servers.
TACACS+ provides a centralized user management system, while still retaining consistency with
RADIUS and other authentication processes.
The TACACS+ protocol ensures network integrity through encrypted protocol exchanges between
the client and TACACS+ server. The user-assigned TACACS+ parameters are applied to newly
defined TACACS+ servers. If values are not defined, the system defaults are applied to the new
TACACS+ servers.
To configure TACACS+ Settings:
1. Click Security > Management Security > TACACS+. The TACACS+ screen displays:
The TACACS+ screen contains the following fields:
• Host IP Address – Enter the TACACS+ Server IP address.
• Key String – Enter the default authentication and encryption key for TACACS+
communication between the device and the TACACS+ server.
• Authentication Port – Enter the port number via which the TACACS+ session occurs.
The default port is port 49.
• Timeout for Reply – Enter the amount of time (in seconds) the device waits for an answer
from the TACACS+ server before retrying the query, or switching to the next server.
Possible field values are 1-30. The default value is 5.
Figure 6-4