R3303-HP HSR6800 Routers Fundamentals Configuration Guide

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The next time you attempt to Telnet to the device, you do not need to provide any username or password,
as shown in Figure 13. If the
maximum number of login users has been reached, your login attempt fails
and the message "All user interfaces are used, please try later!" appears.
Figure 13 Telnetting to the device without authentication
Configuring password 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 one or multiple VTY
user interface views.
user-interface vty first-number
[ last-number ]
N/A
4. Enable password
authentication.
authentication-mode password
By default, password
authentication is enabled for
VTY user interfaces.
5. Set a password.
set authentication password [ hash ]
{ cipher | simple } password
By default, no password is set.
6. Configure the user privilege
level for login users.
user privilege level level The default level is 0.
7. Configure common settings
for VTY user interfaces.
See "Configuring common VTY user
interface setting
s (optional)."
Optional.
The next time you attempt to Telnet to the device, you must provide the configured login password, as
shown in Figure 14. If the max
imum number of login users has been reached, your login attempt fails and
the message "All user interfaces are used, please try later!" appears.