Allied Telesis AlliedWare Plus Operating System Version 5.4.4C (x310-26FT,x310-26FP,x310-50FT,x310-50FP) - Manual (Page 102)

User Access Commands
Software Reference for x310 Series Switches
5.16 AlliedWare Plus TM Operating System - Version 5.4.4C C613-50046-01 REV A
security-password history
This command specifies the number of previous passwords that are unable to be reused. A
new password is invalid if it matches a password retained in the password history.
The no security-password history command disables the security password history
functionality.
Syntax security-password history <0-15>
no security-password history
Default The default history value is 0, which will disable the history functionality.
Mode Global Configuration
Examples To restrict reuse of the three most recent passwords, use the command:
To allow the reuse of recent passwords, use the command:
Validation
Commands
show running-config security-password
show security-password configuration
Related Commands security-password forced-change
security-password lifetime
security-password minimum-categories
security-password minimum-length
security-password reject-expired-pwd
security-password warning
Parameter Description
<0-15> The allowable range of previous passwords to match against. A
value of 0 will disable the history functionality and is equivalent to
the no security-password history command. If the history
functionality is disabled, all users’ password history is reset and all
password history is lost.
awplus# configure terminal
awplus(config)# security-password history 3
awplus# configure terminal
awplus(config)# no security-password history