for the Cisco Catalyst 1700, 1900, 2100, 2800, and 2820
Contents
Introduction
Before
You Begin
Conventions
Prerequisites
Step-by-Step
Procedure
Firmware
Version 1.10 and Later
Firmware
Version 1.09 and Earlier
Related
Information
This document describes the password recovery procedure for the
following Cisco products:
-
Cisco Catalyst 1700
-
Cisco Catalyst 1900
-
Cisco Catalyst
-
Cisco Catalyst 2800
-
Cisco Catalyst 2820
For more information on document conventions, see the Cisco
Technical Tips Conventions.
There are no specific prerequisites for this document.
Note: This section does not apply to those Catalyst 2800
switches that do not have the Mode button in their front panel. To
recover the password on those switches, please refer to the Firmware
Version 1.09 and Earlier section listed at the end of this
document.
Check the boot firmware version number from the Systems Engineering
menu. To access the Systems Engineering menu, follow the procedure
below:
-
Disconnect the power cord from the rear panel.
-
Press and hold the Mode button on the front panel.
-
Power-cycle the switch.
-
Release the Mode button one or two seconds after the LED above
port 1x goes off.
-------------------------------------------------
Cisco Systems Diagnostic Console
Copyright(c) Cisco Systems, Inc. 1999
All rights reserved.
Ethernet Address: 00-E0-1E-7E-B4-40
-------------------------------------------------
Press Enter to continue.
-
Press Enter to display the Diagnostic Console - Systems
Engineering menu.
You will see the following Systems Engineering menu:
Diagnostic Console - Systems Engineering
Operation firmware version: 8.00.00 Status: valid
Boot firmware version: 3.02
[C] Continue with standard system start up
[U] Upgrade operation firmware (XMODEM)
[S] System Debug Interface
Enter Selection:
-
The bold letters above show the Boot firmware
version.
Note: If the shipping date is before June 1997, please
refer to the Firmware
Version 1.09 and Earlier section of this document, and contact the Cisco Technical
Assistance Center (TAC) for password recovery.
To clear your password, follow the steps below:
-
Power-cycle the switch.
After POST completes, the following prompt displays:
Do you wish to clear the passwords? [Y]es or [N]o:
Note: You have ten seconds to respond. If you don't
respond within that time, the Management Console Logon screen
displays. You cannot change this waiting period.
-
Enter [Y]es to delete the existing password from Nonvolatile
RAM (NVRAM).
Note: If you type [N]o, the existing password
remains valid.
-
Assign a password from the switch management interfaces (management
console or Command Line Interface (CLI)).
For firmware versions between 1.10 and 3.02, you can view the password
you are trying to recover (instead of clearing it as described in the
previous section).
-
Access the diagnostic console.
-
Press and hold the Mode button.
-
Power-cycle the switch.
-
Release the Mode button one or two seconds after the LED
above port 1x goes off.
You will see the following logon screen:
-------------------------------------------------
Cisco Systems Diagnostic Console
Copyright(c) Cisco Systems, Inc. 1999
All rights reserved.
Ethernet Address: 00-E0-1E-7E-B4-40
-------------------------------------------------
-
Press Enter to continue.
-
Press Enter and select the [S] option on the
Diagnostic Console - Systems Engineering menu, and then select
the [V] option on the Diagnostic Console - System Debug
Interface menu to display the management console password.
-
If you want to change the password, select the [M] option on
the Console Settings menu.
Note: If the shipping date is before June 1997, please
gather the information listed in this section, and contact the Cisco Technical
Assistance Center (TAC) for password recovery.
Note: This section is also applicable for those Catalyst
2800 switches that do not have the Mode button in their front
panel.
To recover your password, follow the steps below:
-
Contact the Cisco TAC for the factory-installed password.
-
Provide the serial number and/or Media Access Control (MAC) address
of the switch.
The serial number is usually located on the back of the unit. To
obtain the MAC address, remove the cover and read the Ethernet address
of the Programmable Read-Only Memory (PROM).
Updated: Dec 30, 2002 |
Document ID: 7233 |