3Com 7757 Configuration Manual page 54

54 C 4: L
HAPTER OGGING IN THROUGH
Configuration Example
T
ELNET
Table 24 Determine the command level when users logging into switches are not
authenticated
Scenario
Authentication
mode User type
None VTY users
(authentication-
mode none)
Network requirements
Perform the following configuration for Telnet users logging into VTY 0:
Do not authenticate users logging into VTY 0.
■
Commands of level 2 are available to users logging into VTY 0.
■
VTY 0 user interface supports Telnet protocol.
■
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.
■
Network diagram
Figure 8 Network diagram for Telnet configuration (with the authentication mode being
none)
Ethernet
User PC running Telnet
Configuration procedure
# Enter system view.
<SW7750> system-view
# Enter VTY 0 user interface view.
[SW7750] user-interface vty 0
# Configure not to authenticate Telnet users logging into VTY 0.
[SW7750-ui-vty0] authentication-mode none
Command
The user privilege level level
command is not executed
The user privilege level level
command is already executed
Ethernet2/0/1
Command level
Level 0
Determined by
the level
argument