3Com 4200G 12-Port, Руководство по настройке

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19
L
OGGING IN THROUGH
T
ELNET
Introduction
You can telnet to a remote switch to manage and maintain the switch. To achieve
this, you need to configure both the switch and the Telnet terminal properly.
Common Configuration Table 75 lists the common Telnet configuration.
Telnet Configurations
for Different
Authentication Modes
Table 76 lists Telnet configurations for different authentication modes.
Table 74 Requirements for Telnet to a switch
Item Requirement
Switch The management VLAN of the switch is created and the route
between the switch and the Telnet terminal is available. (Refer to
the Management VLAN Configuration module for more.)
The authentication mode and other settings are configured. Refer
to Table 75 and Table 76.
Telnet terminal Telnet is running.
The IP address of the management VLAN of the switch is available.
Table 75 Common Telnet configuration
Configuration Description
VTY user
interface
configuration Configure the
command level
available to users
logging into the VTY
user interface Optional
By default, commands of level 0 is available to users
logging into a VTY user interface.
Configure the protocols
the user interface
supports Optional
By default, Telnet and SSH protocol are supported.
VTY terminal
configuration Make terminal services
available Optional
By default, terminal services are available in all user
interfaces
Set the maximum
number of lines the
screen can contain Optional
By default, the screen can contain up to 24 lines.
Set history command
buffer size Optional
By default, the history command buffer can contain
up to 10 commands.
Set the timeout time of
a user interface Optional
The default timeout time is 10 minutes.
Table 76 Telnet configurations for different authentication modes
Authentication
mode
Telnet configuration Description
None Perform common
configuration Perform common
Telnet configuration Optional
Refer to Table 75.
Password Configure the
password Configure the
password for local
authentication Required
Perform common
configuration Perform common
Telnet configuration Optional
Refer to Table 75.