3Com WX3000 operation manual Configuration Example, Network requirements, Configuration procedure

To do…	Use the command…	Remarks
		Optional
Set the history command	history-command	The default history command buffer
		size is 10. That is, a history command
buffer size	max-size value
		buffer can store up to 10 commands by
		default.
		Optional
		The default timeout time of a user
		interface is 10 minutes.
Set the timeout time of the	idle-timeout minutes	With the timeout time being 10 minutes,
		the connection to a user interface is
VTY user interface	[ seconds ]	terminated if no operation is performed
		in the user interface within 10 minutes.
		You can use the idle-timeout0
		command to disable the timeout
		function.

Note that if you configure not to authenticate the users, the command level available to users logging in to the switching engine depends on the user privilege level level command

Configuration Example

Network requirements

As shown in Figure 3-1, assume current user logs in using the oap connect slot 0 command, and the user level is set to the manage level (level 3). Perform the following configurations for users logging in through VTY 0 using Telnet.

z

z

z

z

z

z

Do not authenticate the users.

Commands of level 2 are available to the users. Telnet protocol is supported.

The screen can contain up to 30 lines.

The history command buffer can contain up to 20 commands. The timeout time of VTY 0 is 6 minutes.

Figure 3-1Network diagram for Telnet configuration (with the authentication mode being none)

Configuration procedure

# Enter system view.

<device> system-view

# Enter VTY 0 user interface view.

[device] user-interface vty 0

# Configure not to authenticate Telnet users logging in through VTY 0.

[device-ui-vty0] authentication-mode none

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