2-23
2
Login Methods
This chapter includes these sections:
z
z
Login Methods
You can log in to a device in the following ways.
Table 2-1
Login methods
Login method
Default state
Logging In
Through the
Console Port
By default, you can log in to a device through the console port, the
authentication mode is None (no username or password required),
and the user privilege level is 3.
By default, you cannot log in to a device through telnet. To do so, log in
to the device through the console port, and complete the following
configuration:
z
Enable the telnet function.
z
Configure the IP address of the interface, and make sure that your
device and the telnet client can reach each other (by default, the
device does not have an IP address.).
z
Configure the authentication mode of VTY login users (password
by default).
z
Configure the user privilege level of VTY login users (0 by default).
By default, you cannot log in to a device through SSH. To do so, log in
to the device through the console port, and complete the following
configuration:
z
Enable the SSH function and configure SSH attributes.
z
Configure the IP address of the interface, and make sure that your
device and the SSH client can reach each other (by default, your
device does not have an IP address.).
z
Configure the authentication mode of VTY login users as
scheme
(password by default).
z
Configure the user privilege level of VTY login users (0 by default).
Logging In
Through the AUX
Port
By default, you cannot log in to a device through the AUX port. To do
so, log in to the device through the console port, and complete the
following configuration:
z
Configure the password for the default password authentication
mode, or change the authentication mode and configure
parameters for the new authentication mode.
The default user privilege level of AUX login users is 0.
s
By default, you can log in to a device through modems. The default
user privilege level of modem login users is 3.
