HP MSR2000/3000/4000 Router Series Fundamentals Configuration Guide

51
Task Remarks
(Optional.) Setting the maximum number of concurrent Telnet users N/A
(Optional.) Setting the DSCP value for outgoing Telnet packets N/A
(Optional.) Configuring common VTY line settings N/A
The Telnet login configuration is effective only for users who log in after the configuration is completed.
Disabling authentication for Telnet login
Ste
p
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.
• To enter VTY line view:
line vty first-number
[ last-number ]
• To enter VTY line class
view:
line class vty
Use either command.
Settings configured in a user line class view
are applied as user-defined default settings
to all user lines of the line class. Settings
configured in a user line view are applied
to only the user line and take precedence
over the user-defined default settings. If a
parameter is not configured in user line
view or user line class view, the factory
default setting is used.
Settings in a user line view take effect
immediately and affect the online user.
Settings in the line class view do not affect
online users and take effect only for users
who log in after the configuration is
completed.
4. Disable authentication.
authentication-mode none
By default, password authentication is
enabled for VTY lines.
5. (Optional.) Assign a user
role.
user-role role-name
By default, a VTY line user is assigned the
user role network-operator.
The next time you attempt to Telnet to the device, you do not need to provide any username or password,
as shown in Figure 20. If the max
imum number of login users has been reached, your login attempt fails
and the message "All user lines are used, please try later!" appears.