3Com 3CR17660-91, Configuration Manual

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Telnet Configuration with Authentication Mode Being Password 103
Note that if you configure to authenticate the users in the password mode, the
command level available to users logging into a switch depends on both the
authentication-mode { password | scheme | none } command and the user
privilege level level command, as listed in Table 80
Configure to
authenticate users
logging into VTY user
interfaces using the
local password authentication-mode password Required
Set the local password set authentication password
{ cipher | simple } password
Required
Configure the
command level
available to users
logging into the user
interface user privilege level level Optional
By default, commands of level 0 are
available to users logging into VTY
user interface.
Configure the protocol
to be supported by the
user interface protocol inbound { all | ssh |
telnet }
Optional
By default, both Telnet protocol
and SSH protocol are supported.
Make terminal services
available shell Optional
By default, terminal services are
available in all user interfaces.
Set the maximum
number of lines the
screen can contain screen-length screen-length Optional
By default, the screen can contain
up to 24 lines.
You can use the screen-length 0
command to disable the function to
display information in pages.
Set the history
command buffer size history-command max-size
value
Optional
The default history command
buffer size is 10. That is, a history
command buffer can store up to 10
commands by default.
Set the timeout time of
the user interface idle-timeout minutes [ seconds ] Optional
The default timeout time of a user
interface is 10 minutes.
With the timeout time being 10
minutes, the connection to a user
interface is terminated if no
operation is performed in the user
interface within 10 minutes.
You can use the idle-timeout 0
command to disable the timeout
function.
Table 80 Determine the command level when users logging into switches are authenticated
in the password mode
Scenario Command level
Authentication mode User type Command
Password
(
authentication-mode
password )
VTY users The user privilege level
level command not executed
Level 0
The user privilege level
level command already
executed
Determined by
the
level
argument
Table 79 Telnet configuration with the authentication mode being password (Continued)
Operation Command Description