U
SER
A
UTHENTICATION
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control management access via the console port, web browser, or
Telnet.
• RADIUS and TACACS+ logon authentication assign a specific
privilege level for each user name/password pair. The user name,
password, and privilege level must be configured on the authentication
server.
• You can specify up to three authentication methods for any user to
indicate the authentication sequence. For example, if you select (1)
RADIUS, (2) TACACS and (3) Local, the user name and password on
the RADIUS server is verified first. If the RADIUS server is not
available, then authentication is attempted using the TACACS+ server,
and finally the local user name and password is checked.
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