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2. In monitor mode, view the file directory through dir, find the configuration file, use (more+file name) to view the configuration information,
and find the (username **** password ****) command.
1) The user uses the method of plain text authentication, and can directly view the information of username and password.
fmonitor#show configuration (View configuration information)
!
aaa authentication login default local
aaa authentication enable default none
aaa authorization exec default local
!
username admin password 0 admin
!
2) The password authentication mode is used by the user, so the information of username and password cannot be viewed directly. The current
configuration file can be deleted in the monitor mode, so as to restore the factory settings (Before executing this command, the configuration
file can be copied to the txt file on the desktop for the convenience of subsequent configuration file import), and then exit the monitor mode.
At this time, the default username and password (admin/admin) can log in to the device normally.
2.5.4 Root Cause
After changing the default username and password, the user information will lose if the user do not make a memo and do not log in to the
device for a long time.
2.5.5 Solution
Restart the device, enter monitor mode, view the username and password information, or delete the current configuration file.
2.5.6 Suggestions and Conclusions
When changing the default username and password, please make a memo. When the password is lost, you can use Ctrl+P to enter the monitor
mode during the device restart process and solve the problem of unabled device login.