ESR series service routers.ESR-Series. User manual
Step Description Command Keys
4 Specify the number of failed 
authentication attempts to block 
the user login and time of the 
lock (optional)
esr(config)# aaa authentication 
attempts max-fail <COUNT> 
<TIME>
<COUNT> – amount of failed 
authentication attempts after which 
a user is blocked, takes the values 
of [1..65535];
<TIME> – user blocking time in 
minutes, takes the values of 
[1..65535].
Default value:
<COUNT> – 5; <TIME> – 300
5 Enable request for change the 
default password for the ‘admin’ 
user (optional)
esr(config)# security passwords 
default-expired
6 Enable the inhibit mode on the 
use of previously set local user 
passwords (optional)
esr(config)# security passwords 
history <COUNT>
<COUNT> – number of passwords 
saved in the router memory. Takes 
values in the range of [1..15].
Default value: 0
7 Set the lifetime of local user 
password (optional)
esr(config)# security passwords 
lifetime <TIME>
<TIME> – password lifetime in days. 
Takes values in the range of 
[1..365].
Default: The lifetime of local user 
password is unlimited.
8 Set a limit on the minimum length 
of local user password and 
ENABLE password (optional)
esr(config)# security passwords 
min-length <NUM>
<NUM> – minimum number of 
characters in the password. Takes 
values in the range of [8..128].
Default value: 0
9 Set a limit on the maximum 
length of local user password and 
ENABLE password (optional)
esr(config)# security passwords 
max-length <NUM>
<NUM> – maximum number of 
characters in the password. Takes 
values in the range of [8..128].
Default value: no limit.
10 Set the minimum number of 
character types that must be 
present in the local user 
password and ENABLE password 
(optional)
esr(config)# security passwords 
symbol-types <COUNT>
<COUNT> – minimum number of 
character types in the password. 
Takes values in the range of [1..4].
Default value: 1