54
Modem login authentication modes
The following authentication modes are available for modem dial-in login:
none
,
password
, and
scheme
.
•
none
—Requires no username and password at the next login through modems. This mode is
insecure.
•
password
—Requires password authentication at the next login through the console port. Keep your
password. If you lose your password, you cannot log in to the device through password
authentication. You can log in to the device through the console port to view or modify the
password.
•
scheme
—Requires username and password authentication at the next login through the console
port. Authentication falls into local authentication and remote authentication. To use local
authentication, configure a local user and related parameters. To use remote authentication,
configure the username and password on the remote authentication server. For more information
about authentication modes and parameters, see
Security Configuration Guide
. Keep your
username and password. If you lose your local password, log in to the device from the console port
to display or modify the password. If you lose your remote password, contact the administrator.
The following table lists modem login configurations for different authentication modes:
Authentication
mode
Configuration Remarks
None
Configure not to authenticate users
For more information,
see “
Configure to authenticate users by using the local password
Password
Set the local password
For more information,
see “
Configure the authentication scheme
Configure a
RADIUS/HWTACACS
scheme
Configure the AAA scheme
used by the domain
Remote AAA
authentication
Configure the username and
password on the AAA server
Configure the authentication
username and password
Scheme
Select an
authentic
ation
scheme
Local authentication
Configure the AAA scheme
used by the domain as local
For more information,
see “
scheme authentication
for modem login
NOTE:
Modem login authentication changes do not take effect until you exit the CLI and log in again.
