Operation Manual – Login
Quidway S3900 Series Ethernet Switches-Release 1510 Chapter 3 Logging in through Telnet
Huawei Technologies Proprietary
3-4
3.2 Telnet Configuration with Authentication Mode Being
None
3.2.1 Configuration Procedure
Table 3-4 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.
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.
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.