The aaa online-fail-record command enables the device to record users' online failures.
The undo aaa online-fail-record command disables the device from recording users' online failures.
By default, the device records users' online failures.
If you want to query the login failure records to find out unauthorized users, run the aaa online-fail-record command to enable the device to record users' online failures.
After the undo aaa online-fail-record command is run, no online failure is recorded unless the aaa online-fail-record command is run.