D-Link DES-6500 Manual page 205

Figure 8- 13. Authentication Server Group Table Add Settings window
Enter a group name of up to 15 characters into the Group Name field and click Apply. The entry should appear in the
Authentication Server Group Settings window, as shown in Figure 8-12 (Trinity).
DES-6500 Chassis-based Layer 3 Ethernet Switch Manual
NOTE: The user must configure Authentication Server Hosts using the
Authentication Server Hosts window before adding hosts to the list.
Authentication Server Hosts must be configured for their specific protocol
on a remote centralized server before this function can work properly.
NOTE: The three built in server groups can only have server hosts running
the same TACACS daemon. TACACS/XTACACS/TACACS+ protocols are
separate entities and are not compatible with each other.
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