Anyone accessing the OnBoard must log in by entering a username and password. Controlling access by requiring users to enter names and passwords is called authentication. The usernames and passwords entered during login attempts are checked against a database. Access is denied if the username or password is not valid.The password database being checked can reside either locally (on the OnBoard) or on an authentication server on the network.The OnBoard user is required to enter a username and password in the following cases:The authentication method chosen for the OnBoard is used for all access through telnet, ssh, or the Web Manager. By default, logins to the OnBoard use Local authentication.Users may be required to enter different username and password pairs when accessing the OnBoard than when accessing a connected device.