D-Link DS-3550 Command Line Interface Reference Manual - page 185
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DES-3550:4#create authen server_host 10.1.1.121 protocol
tacacs+ port 1234 timeout 10 retransmit 5
Command: create authen server_host 10.1.1.121 protocol tacacs+
port 1234 timeout 10 retransmit 5
Success.
DES-3550:4#
config authen server_host
Purpose
Used to configure a user-defined authentication server host.
Syntax
create authen server_host
tacacs+] {port
timeout
Description
This command will configure a user-defined authentication server
host for the tacacs/xtacacs/tacacs+ security protocols on the switch.
When a user attempts to access the switch with authentication
protocol enabled, the switch will send authentication packets to a
remote tacacs/xtacacs/tacacs+ server host on a remote host. The
tacacs/xtacacs/tacacs+ 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+ are separate
entities and are not compatible with each other. The maximum
supported number of server hosts is 16.
Parameters
server_host
user wishes to alter.
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.
port
the virtual port number of the authentication protocol on a server
host. The default port number is 49 for tacacs/xtacacs/tacacs+
servers but the user may set a unique port number for higher
security.
key
configured TACACS+ server only. Specify an alphanumeric string up
to 254 characters or choose none.
timeout
for the server host to reply to an authentication request. The default
value is 5 seconds.
retransmit