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2452 CHAPTER 164: USER INTERFACE CONFIGURATION COMMANDS
sure? [Y/N] ]:y
[Sysname-ui-vty0]-4]
# Telnet to the device again, the display brief interface loopback command will
be executed automatically before the telnet connection breaks. And the following
information will be displayed:
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<Sysname>
The brief information of interface(s) under route mode:
Interface Link Protocol-link Protocol type Main IP
Loop1 UP UP(spoofing) LOOP --
<Sysname>
authentication-mode
Syntax authentication-mode { none | password | scheme [ command-authorization ]}
View User interface view
Parameter none: Performs no authentication.
password: Performs local password authentication.
scheme: Performs authorization and authentication of AAA. For details about
AAA, refer to “AAA Configuration Commands” on page 1913.
command-authorization: Performs command line authorization. HWTACACS
allows per-command authorization. An input command is executed only after it
passes authorization. For details about HWTACACS, refer to “HWTACACS
Configuration Commands” on page 1975.
Description Use the
authentication-mode command to set the authentication mode when
users log onto the device using the current user interface.
By default, the authentication mode is password for TTY (asynchronous
interface), VTY, and AUX user interfaces and is none for Console interfaces.
Related command: set authentication password.
c
CAUTION: If you configure to adopt AAA authentication (that is, the
authentication mode is scheme.), then the default user level is 0.
Example # Set that no authentication is needed when users use VTY 0 interface to log onto
the device. (This mode may be insecure.)