3Com Switch 4800G 24-Port Configuration Manual page 37

Configuration Example
Console Port Login Configuration with Authentication Mode Being None
Note that if you configure not to authenticate the users, the command level
available to users logging in to a switch depends on both the
authentication-mode none command and the user privilege level level
command, as listed in the following table.
Table 7 Determine the command level (A)
Scenario
Authentication
mode User type
None Users logging in
(authentication-mode through console
none) ports
Network requirements
Assume the switch is configured to allow you to login through Telnet, and your
user level is set to the administrator level (level 3). After you telnet to the switch,
you need to limit the console user at the following aspects.
The user is not authenticated when logging in through the console port.
■
Commands of level 2 are available to user logging in to the AUX user interface.
■
The baud rate of the console port is 19,200 bps.
■
The screen can contain up to 30 lines.
■
The history command buffer can contain up to 20 commands.
■
The timeout time of the AUX user interface is 6 minutes.
■
Network diagram
Figure 7 Network diagram for AUX user interface configuration (with the authentication
mode being none)
Ethernet
User PC running Telnet
Configuration procedure
# Enter system view.
<SW4800G> system-view
# Enter AUX user interface view.
Command
The user privilege level level
command not executed
The user privilege level level
command already executed
GE1/0/1
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Command level
Level 3
Determined by
the level
argument