R21xx-HP FlexFabric 11900 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 9. 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.
Figure 9 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
| simple } password
By default, no password is set.
6. (Optional.) Assign a user role.
user-role role-name
By default, a VTY user interface
user is assigned the user role
network-operator.
The next time you attempt to Telnet to the device, you must provide the configured login password, as
shown in Figure 10. If the ma
ximum number of login users has been reached, your login attempt fails and
the message "All user interfaces are used, please try later!" appears.










