Using the Web Manager : Configuring Authentication : Configuring a RADIUS authentication server

Configuring a RADIUS authentication server
When an administrative user selects the Config-Authentication menu option and selects Radius from the Authentication Type pull-down menu, additional fields appear on the Config-Authentication screen for configuring the Radius server.
The administrative user must obtain the needed information about the RADIUS server from the server’s administrator and configure the server by filling in the fields that display when the RADIUS authentication type is selected:
Configure a RADIUS authentication server when the OnBoard appliance or any of the connected devices is configured to use the RADIUS authentication method or any of its variations (Local/Radius, Radius/Local or Radius Down/Local).
Work with the RADIUS server’s administrator to ensure that following types of accounts are set up on the RADIUS server and that the administrators of the OnBoard appliance and connected devices know the passwords assigned to the accounts:
If RADIUS authentication is specified for the OnBoard appliance, accounts for all users who need to log into the OnBoard appliance.
If RADIUS authentication is specified for devices, accounts for users who need access to the connected devices.
See Configuring group authorization for RADIUS authentication for how to manually configure group authorizations with RADIUS authentication.
To configure a RADIUS authentication server:
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Select the Config-Authentication menu option.
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Select Radius from the Authentication Type pull-down menu.
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Click Save and apply changes.