3com 4210 PWR 9-Port 3CR17341-91-ME User Manual

C

HAPTER

 2: L

OGGING

 

INTO

 

AN

 E

THERNET

 S

WITCH

Assume current user logins through the Console port and the user level is set to 
the administrator level (level 3). Perform the following configurations for users 
logging into VTY 0 using Telnet.

■

Configure the local user name as "guest".

■

Set the authentication password of the local user to 123456 (in plain text).

■

Set the service type of VTY users to Telnet and the command level to 2.

■

Configure to authenticate users logging into VTY 0 in scheme mode.

■

Only Telnet protocol is supported in VTY 0.

■

The screen can contain up to 30 lines.

■

The history command buffer can store up to 20 commands.

■

The timeout time of VTY 0 is 6 minutes.

Figure 11   Network diagram for Telnet configuration (with the authentication mode being 
scheme)

# Enter system view.

<4210> system-view 

# Create a local user named "guest" and enter local user view.

[4210] local-user guest 

# Set the authentication password of the local user to 123456 (in plain text).

[4210-luser-guest] password simple 123456 

# Set the service type to Telnet, Specify commands of level 2 are available to users 
logging into VTY 0..

[4210-luser-guest] service-type telnet level 2

 

[4210-luser-guest] quit 

# Enter VTY 0 user interface view.

[4210] user-interface vty 0 

# Configure to authenticate users logging into VTY 0 in the scheme mode.

[4210-ui-vty0] authentication-mode scheme 

RS-232 port

Configuration cable

Console port