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To do… Use the command… Remarks
Configure common settings for
VTY user interfaces
—
Optional
See “Configuring common settings
for VTY user interfaces (optional).”
When you log in to the device through Telnet again:
• You enter the VTY user interface, as shown in Figure 13.
• If “All user interfaces are used, please try later!” is displayed, it means the current login users
exceed the maximum number. Please try later.
Figure 13 Configuration page
Configuring password authentication for Telnet login
Configuration prerequisites
You have logged in to the device.
By default, you can log in to the device through the console port without authentication and have user
privilege level 3 after login. For information about logging in to the device with the default configuration,
see “Configuration requirements.”
Configuration procedure
Follow these steps to configure password authentication for Telnet login:
To do… Use the command… Remarks
Enter system view system-view —
Enable Telnet telnet server enable
Required
By default, the Telnet service is
disenabled.
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