3Com Switch 7750 Configuration Guide

52 CHAPTER 4: LOGGING IN THROUGH TELNET
Telnet Configurations
for Different
Authentication Modes
Table 22 lists Telnet configurations for different authentication modes.
Telnet Configuration
with Authentication
Mode Being None
Configuration Procedure
Table 22 Telnet configurations for different authentication modes
Authentication
mode Telnet configuration Description
None Perform
common
configuration
Perform
common Telnet
configuration
Optional
Refer to Table 21.
Password Configure the
password
Configure the
password for
local
authentication
Required
Perform
common
configuration
Perform
common Telnet
configuration
Optional
Refer to Table 21.
Scheme Specify to
perform local
authentication
or RADIUS
authentication
AAA
configuration
specifies
whether to
perform local
authentication
or RADIUS
authentication
Optional
Local authentication is performed by
default.
Refer to “Configuring RADIUS
Authentication/Authorization
Servers” on page 525 for more.
Configure user
name and
password
Configure user
names and
passwords for
local/RADIUS
users
Required
■ The user name and password of a
local user are configured on the
switch.
■ The user name and password of a
remote user are configured on
the RADIUS server. Refer to user
manual of RADIUS server for
more.
Manage VTY
users
Set service type
for VTY users
Required
Perform
common
configuration
Perform
common Telnet
configuration
Optional
Refer to Table 21.
Table 23 Telnet configuration with the authentication mode being none
Operation Command Description
Enter system view system-view -
Enter one or more VTY user
interface views
user-interface vty
first-number [ last-number ]
-
Configure not to authenticate
users logging into VTY user
interfaces
authentication-mode none Required
By default, VTY users are
authenticated after logging
in.