H3C S7500E Series Ethernet Switches Operation Manual

Operation Manual – Login
H3C S7500E Series Ethernet Switches Chapter 3 Logging in Through Telnet
3-5
To do… Use the command… Remarks
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.
Set the command that is
automatically executed
when a user logs into the
user interface
auto-execute command
text
Optional
By default, no command
is automatically executed
when a user logs into a
user interface.
Define a shortcut key for
aborting tasks
escape-key { default |
character }
Optional
The default shortcut key
combination for aborting
tasks is < Ctrl + C >.
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.