Alcatel Carrier Internetworking Solutions Switch/Router 사용자 설명서

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 Login Accounts
Page 4-33
Login Accounts
The 
UI
 provides three default login accounts—Administrator, User and Diagnostics. The 
Administrator login provides full access to all functions. The initial login name for an Adminis-
trator account is 
admin
. The Diagnostics login also has full access to all switch functions plus a 
special sub-menu with a set of switching module tests. The initial login name for Diagnostics 
is 
diag
. The User login has read-only privileges to the switch. The initial login name for a User 
account is 
user
. The password for each of these default login accounts is 
switch
.
 Note 
In software release 4.3, the 
user
 login account with 
read-only privileges is not included automatically. 
 Note 
You can configure new and delete existing login 
accounts with the 
useradd
 
UI
 command, that is 
described in Chapter 8, “Switch Security.”
Multiple User Sessions
You can have up to four simultaneous connections to an Omni Switch/Router. One connec-
tion can be made to the console port, two can be made through Telnet, and one connection 
can be made to the modem port if you are connecting to an Omni Switch/Router.
 Note 
For software Releases 4.4 and later, more than one 
login account with write privileges can be
 
active at the 
same time.
For software Release 4.3 and earlier, only one login account with write privileges was allowed 
on the switch at the same time. In this case, the first switch user who logged on as either 
admin
 or 
diag
 would be the only user with the write privilege. Subsequent users who logged 
on as either 
admin
 or 
diag
 would not have the write privilege and would be unable to 
perform any functions that change switch parameters. These users would also see a message 
that informs them they do not have the write privilege when they log on. For example, a user 
who logs on as 
admin
 when another user already has the write privilege will see the follow-
ing message:
You are logged in as 'admin' without the WRITE privilege.
The WRITE privilege is currently in use by another user.
However, users who log on as either 
admin
 or 
diag
 without the write privilege can “kill” the 
session of the user with the write privilege and gain that privilege for themselves. This is 
described in Deleting Other Sessions on page 4-35.
If you try to log on when the limit of user has been reached (e.g., you attempt a Telnet 
connection when there are two users currently connected through Telnet), you will see the 
following message:
Sorry, reached maximum number of sessions.