3com 8807 Reference Guide

authentication-mode { password | scheme [ command-authorization ] | 
none }

User interface view

password: Performs local password authentication.

scheme: Performs local or remote authentication of username and password.

command-authorization: Specifies that the commands available to users 
logging into a switch are defined on the server end (instead of an Switch 8800 
Family switch).

none: Does not authenticate users trying to log into a switch.

Use the authentication-mode command to configure the authentication method 
for login user.

Use the authentication-mode none command to configure no authentication.

This command with the password parameter indicates to perform local password 
authentication, that is, you need to configure a login password using the set 
authentication password { cipher | simple } password command.

This command with the scheme parameter indicates to perform authentication of 
local or remote username and password. The type of the authentication depends 
on your configuration. For detailed information, see "Security" section.

By default, terminal authentication is not required for local users log in via the 
Console port. However, password authentication is required for local users and 
remote Modem users to log in via the AUX port, and for Telnet users and VTY 
users to log in through Ethernet port.

n