System information

Operation LOGIN 1-73

Software Release 2.0.1

C613-03018-00 REV A

Syntax

where:

■

are uppercase letters (A–Z), lowercase letters (a–z), and decimal digits (0–9).

The string may not contain spaces.

Description

This command is used to login to the router. The User Authentication Facility

prompts the user for a login name (if not specified) and a password. The user

must enter appropriate responses, pressing [Return] after each response.

Characters entered at the password prompt are not echoed to the screen, for

security reasons.

The password prompt is displayed regardless of whether or not a password is required

for the login name entered by the user. This makes it more difficult for an intruder to

discover valid login name/password combinations.

If the user enters an invalid login name or password, the sequence is repeated a

set number of times. If a valid login name and password has still not been

entered the terminal or Telnet session is locked out for a period of time. During

this period the password prompt is withheld, preventing the user from logging

in or entering commands. The manager can specify the number of login

attempts allowed and the length of the lockout period using the SET USER

command on page 1-93.

This command is not normally required. The user will automatically be

prompted to enter a login name and password when attempting to access the

router via Telnet or a terminal connected to an asynchronous port set to

SECURE mode, or when attempting to access a dialup service via an

asynchronous modem connected to an asynchronous port.

This command might be used to login from a terminal connected to an

asynchronous port that is not in SECURE mode in order to use facilities that are

only available to logged in users, or to login as another user in order to acquire

different rights, such as MANAGER privilege.

This command may be abbreviated to LOGI. The command LOGON is an alias

for LOGIN.

If a user Telnets to the router but does not attempt to login within one minute, the router

automatically times out the session and terminates the Telnet connection.