xStack
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DGS-3620 Series Layer 3 Managed Stackable Gigabit Switch Web UI Reference Guide
373
IP Address
Enter the IP address of the server host.
Protocol
use the drop-down menu to choose the
Protocol
associated with the IP address of
the Authentication Server Host
Click the
Add
button to add a new entry based on the information entered.
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/ protocols are separate entities and are not
compatible with each other.
Authentication Server Settings
User-defined Authentication Server Hosts for the TACACS / XTACACS / / RADIUS security protocols
can be set on the Switch. When a user attempts to access the Switch with Authentication Policy enabled, the
Switch will send authentication packets to a remote TACACS / XTACACS / / RADIUS server host on a
remote host. The TACACS / XTACACS / / RADIUS server host will then verify or deny the request and
return the appropriate message to the Switch. More than one authentication protocol can be run on the same
physical server host but, remember that TACACS / XTACACS / / RADIUS are separate entities and are
not compatible with each other. The maximum supported number of server hosts is 16.
To view this window, click
Security > Access Authentication Control > Authentication Server Settings
as
shown below:
Figure 8-61 Authentication Server Settings window
The fields that can be configured are described below:
Parameter
Description
IP Address
The IP address of the remote server host to add.
Protocol
The protocol used by the server host. The user may choose one of the following:
TACACS
- Enter this parameter if the server host utilizes the TACACS protocol.
XTACACS
- Enter this parameter if the server host utilizes the XTACACS protocol.
- Enter this parameter if the server host utilizes the protocol.
RADIUS
- Enter this parameter if the server host utilizes the RADIUS protocol.
Key
Authentication key to be shared with a configured or RADIUS servers
only. Specify an alphanumeric string up to 254 characters.
Port (1-65535)
Enter a number between
1
and
65535
to define the virtual port number of the
authentication protocol on a server host. The default port number is
49
for
TACACS/XTACACS/ servers and
1812
for RADIUS servers but the user
may set a unique port number for higher security.
Timeout (1-255)
Enter the time in seconds the Switch will wait for the server host to reply to an
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