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Figure 9 Telnetting to the device without authentication
Configuring password authentication for Telnet login
Ste
Command
Remarks
1. Enter system view.
system-view N/A
2. Enable Telnet server.
telnet server enable
By default, the Telnet server function is
disabled.
3. Enter VTY line view or
class view.
• Enter VTY line view:
line vty first-number [ last-number ]
• Enter VTY line class view:
line class vty
A setting in user line view is applied
only to the user line. A setting in user
line class view is applied to all user lines
of the class.
A non-default setting in either view
takes precedence over a default setting
in the other view. A non-default setting
in user line view takes precedence over
a non-default setting in user line class
view.
A setting in user line view takes effect
immediately and affects the online user.
A setting in user line class view does not
affect online users and takes effect only
for users who log in after the
configuration is completed.
4. Enable password
authentication.
authentication-mode password
By default, password authentication is
enabled for VTY lines.
In VTY line view, this command is
associated with the protocol inbound
command. If you specify a non-default
value for only one of the two commands
in VTY line view, the other command
uses the default setting, regardless of
the setting in VTY line class view.
5. Set a password.
set authentication password { hash |
simple } password
By default, no password is set.
6. (Optional.) Assign a
user role.
user-role role-name
By default, a VTY line user is assigned
the user role network-operator.
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