Accton Technology VS4512DC Management Manual page 57

Web – Click Security, Authentication Settings. To configure local or remote
authentication preferences, specify the authentication sequence (i.e., one to three
methods), fill in the parameters for RADIUS or TACACS+ authentication if selected,
and click Apply.
CLI – Specify all the required parameters to enable logon authentication.
Console(config)#authentication login radius
Console(config)#radius-server host 192.168.1.25
Console(config)#radius-server port 181
Console(config)#radius-server key green
Console(config)#radius-server retransmit 5
Console(config)#radius-server timeout 10
Console#show radius-server
Server IP address: 192.168.1.25
Communication key with radius server:
Server port number: 181
Retransmit times: 5
Request timeout: 10
Console(config)#authentication login tacacs
Console(config)#tacacs-server host 10.20.30.40
Console(config)#tacacs-server port 200
Console(config)#tacacs-server key green
Console#show tacacs-server
Server IP address: 10.20.30.40
Communication key with tacacs server: green
Server port number: 200
Console(config)#
User Authentication.
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