This document describes the procedure to recover a lost console
password on the Cisco SN 542x. The console password is used to enable users to
check passwords on the storage router console interface.
Note: This password recovery procedure applies to the Cisco SN 542x running
version 2.1.1 and later.
There are no specific requirements for this document.
For more information on document conventions, refer to
Cisco Technical Tips
Follow these instructions to recover a lost console
Establish a console session to the SN 542x by performing these
Connect one of the supplied RJ-45-to-DB-9 adapters to the PC
serial (COM) port.
Connect the other side of the supplied RJ-45-to-DB-9 adapter to
the RS-232 management port (labeled CONSOLE) on the SN 542x storage
Launch HyperTerminal on the PC, and configure these
The terminal-emulation software, frequently a PC application such
as HyperTerminal or Procomm Plus, makes communication between the storage
router and your PC possible during setup and configuration.
Use the power switch to turn off the SN 542x, and then turn it back
Press the ESC key on your keyboard at the
Press 'ESCAPE' key to stop auto-boot ... prompt
to stop the reboot.
Note: If you press the ESC key a few times during the
boot process, the command stack sequence can interrupt the escape sequence
prompt and bypass it, and you are not given a chance to break the
Type c to change the Boot
Hit Enter repeatedly until you get to the
flags (f) field. If you go too far, go to the
end and type c to start again.
Change the flags (f) field to
Type p to review Boot parameter settings if
desired. Type @ to continue the reboot.
Note: The change to the flag (f) value
is a one-time override. There is no need to change it back once the password
recovery is achieved.
Now that you have established a connection, you may choose one of
Change the administrator and monitor passwords to access the
console interface of the storage router:
[SN542x]# admin password <password>
!--- Sets the administrator password (for system administrators, allowing configuration changes).
[SN542x]# monitor password <password>
!--- Sets the monitor password (for users who only monitor storage router operation).
Remove password protection from the console port and save the
changes to memory:
[SN542x]# no restrict console
!--- Disables password checking on the console interface.
[SN542x]# save all bootconfig
!--- Saves the current running configuration information
!--- to the storage router's bootable configuration, which is
!--- used when the SN 542x storage router is restarted.
Note: The next time that you try to connect to the console port of
the SN 542x, you will be required to enter either the new admin or monitor
password you created.