Operation Manual – Login
H3C S5100-SI/EI 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 in to VTY user
interfaces
authentication-mode
none
Required
By default, VTY users are
authenticated after logging
in.
Note that if you configure not to authenticate the users, the command level available to
users logging in to a switch depends on the
user privilege level
level
command
3.2.2 Configuration Example
I. Network requirements
Assume current user logins through the console port, and the current user level is set to
the administrator level (level 3). Perform the following configurations for users logging
in through VTY 0 using Telnet.
z
Do not authenticate the users.
z
Commands of level 2 are available to the users.
z
Telnet protocol is supported.
z
The screen can contain up to 30 lines.
z
The history command buffer can contain up to 20 commands.
z
The timeout time of VTY 0 is 6 minutes.
II. Network diagram
Figure 3-1
Network diagram for Telnet configuration (with the authentication mode
being none)
III. Configuration procedure
# Enter system view.
<Sysname> system-view
# Enter VTY 0 user interface view.
[Sysname] user-interface vty 0
# Configure not to authenticate Telnet users logging in to VTY 0.
