3com 5500-ei pwr Installation Instruction

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In this section, you must note the effective range of the same commands when executed in different 
views or to different types of passwords: 
Global settings in system view apply to all local user passwords and super passwords. 
Settings in the local user view apply to the local user password only. 
Settings on the parameters of the super passwords apply to super passwords only. 
The priority of these settings is as follows: 
For local user passwords, the settings in local user view override those in system view unless the 
former are not provided. 
For super passwords, the separate settings for super password override those in system view 
unless the former are not provided. 
 
Configuring History Password Recording 
With this function enabled, when a login password expires, the system requires the user to input a new 
password and save the old password automatically. You can configure the maximum number of history 
records allowed for each user. The purpose is to inhibit the users from using one single password or 
using an old password for a long time to enhance the security. 
Table 1-4 Configure history password recording 
Operation 
Command 
Description 
Enter system view 
system-view 
— 
Enable history password 
recording 
password-control history enable 
Optional 
By default, history password 
recording is enabled. 
Configure the maximum 
number of the history 
password records 
password-control history 
max-record-number
 
Optional 
By default, the maximum 
number is 4. 
 
 
When the system adds a new record but the number of the recorded history passwords has 
reached the configured maximum number, the system replaces the oldest record with the new 
one. 
When you configure the maximum number of history password records for a user, the excessive 
old records will be lost if the number of the history password records exceeds the configured 
number. 
When changing a password, do not use the recorded history password; otherwise, the system will 
prompt you to reset a password.  
 
The system administrator can perform the following operations to manually remove history password 
records.