3com WX3000 Manuel D’Utilisation

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Logging In Through Telnet 
Introduction 
The device supports Telnet. You can manage and maintain the switching engine remotely by Telnetting 
to the switching engine. 
To log in to the switching engine through Telnet, the corresponding configuration is required on both the 
switching engine and the Telnet terminal. 
You can also log in to the switching engine through SSH. SSH is a secure shell added to Telnet. Refer to 
the SSH Operation for related information.  
Table 3-1 Requirements for Telnetting to the switching engine 
Item 
Requirement 
The IP address is configured for the VLAN of the switching engine, 
and the route between the switching engine and the Telnet terminal is 
reachable. (Refer to the IP Address and Performance Operation and 
Routing Protocol parts for more.) 
Switching engine 
The authentication mode and other settings are configured. Refer to 
 an
Telnet is running. 
Telnet terminal 
The IP address of the VLAN of the switching engine is available. 
 
Common Configuration 
 lists the common Telnet configuration. 
Table 3-2 Common Telnet configuration 
Configuration 
Description 
Configure the command level 
available to users logging in to 
the VTY user interface 
Optional 
By default, commands of level 0 are available 
to users logging in to a VTY user interface. 
Configure the protocols the user 
interface supports 
Optional 
By default, Telnet and SSH protocol are 
supported. 
VTY user 
interface 
configuration 
Set the commands to be 
executed automatically after a 
user log in to the user interface 
successfully 
Optional 
By default, no command is executed 
automatically after a user logs into the VTY 
user interface.