3Com 4210 PWR, Configuration Manual

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40 C
HAPTER
2: L
OGGING INTO AN
E
THERNET
S
WITCH
Note that if you configure not to authenticate the users, the command level
available to users logging into a switch depends on the
user privilege level level
command
Configuration Example Network requirements
Assume current user logins through the Console port, and the user level is set to
the administrator level (level 3). Perform the following configurations for users
logging in through VTY 0 using Telnet.
■
Do not authenticate the users.
■
Commands of level 2 are available to the users.
Configure the
command level
available to users
logging into VTY user
interface user privilege level level Optional
By default, commands of level 0
are available to users logging into
VTY user interfaces.
Configure the
protocols to be
supported by the VTY
user interface protocol inbound { all | ssh |
telnet }
Optional
By default, both Telnet protocol
and SSH protocol are supported.
Set the commands to
be executed
automatically after a
user login to the user
interface successfully auto-execute command text Optional
By default, no command is
executed automatically after a
user logs into the VTY user
interface.
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 VTY 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 20 Telnet configuration with the authentication mode being none
Operation Command Description