Command Usage
Telnet is considered a virtual terminal connection and will be shown as “VTY”
in screen displays such as show users. Howe ver, the serial communi cation
parameters (e.g., databits) do not affect Telnet connections.
Example
To enter console line mode, enter the following command:
Console(config)#line console
Console(config-line)#
Related Commands
show line (23-25)
show users (23-8)
login
This command enables password checking at login. Use the
no
form to disable
password checking and allow connections without a password.
Syntax
login
[
local
]
no login
local - Selects local password checking. Authentication is based on the
user name specified with the username command.
Default Setting
login local
Command Mode
Line Configuration
Command Usage
• There are three authentication modes pr ovide d by the swi tch itsel f at log in:
-
login
selects authentication by a single global password as specified by the
password
line configuration command. When using this method, the
management interface starts in Normal Exec (NE) mode.
- login local selects authentication via the us er name and pa sswor d
specified by the
username
command (i.e., default setting). When using this
method, the management interface starts in Normal Exec (NE) or Privileged
Exec (PE) mode, depending on the user’s privilege level (0 or 15
respectively).
- no login selects no authentication. When using th is meth od, the
management interface starts in Normal Exec (NE) mode.
• This command controls login authentication via t he sw it ch it self . To c onfigu re
user names and passwords for remote authentication servers, you must use
the RADIUS or TACACS software installed on those servers.
23-18
System Management Commands
23