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Authentication Server Hosts
This window will set user-defined Authentication Server Hosts for the TACACS / XTACACS / TACACS+ / RADIUS security protocols 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 /
TACACS+ / RADIUS server host on a remote host.The TACACS / XTACACS / TACACS+ / 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 / TACACS+ / RADIUS are separate entities and are not compatible with each other.The maximum supported number of server hosts is 16.
To view the following window,click
Security Management > Access Authentication Control > Authentication Server Host:
Figure 7- 10.Authentication Server Host Settings window
To add an Authentication Server Host,click the
Add button,revealing the following window:
Figure 7- 11.Authentication Server Host Setting window – Add
Configur
e the following parameters to add an Authentication Server Host:
Parameter Description
IP Address
The IP address of the remote server host the user wishes 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.
TACACS+ – Enter this parameter if the server host utilizes the TACACS+ protocol.
RADIUS – Enter this parameter if the server host utilizes the RADIUS protocol.
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/TACACS+ servers and 1813 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 authentication request.The
default value is 5 seconds.
Retransmit (1-255) Enter the value in the retransmit field to change how many times the device will resend an authentication
request when the TACACS server does not respond.
Key Authentication key to be shared with a configured TACACS+ or RADIUS servers only. Specify an alphanumeric
string up to 254 characters.
Click
Apply to add the server host.
138
Allied Telesyn AT-9724TS High-Density Layer 3 Stackable Gigabit Ethernet Switch