Password
recovery procedure for the Cisco Catalyst Layer 2 fixed configuration switches
2900XL/3500XL, 2940, 2950/2955, 2960, and 2970 Series, as well as the Cisco
Catalyst Layer 3 fixed configuration switches 3550, 3560, and 3750 Series.
Step 1: Attach a terminal or PC with
terminal emulation (for example, Hyper Terminal) to the console port of the
switch. Use the following terminal settings:
 |
| Switch Command Line |
- Bits per second (baud): 9600
- Data bits: 8
- Parity: None
- Stop bits: 1
- Flow Control: Xon/Xoff
Step 2: Unplug the power cable.
Step 3: Power the switch and bring it to
the switch: prompt:
For 2900XL,
3500XL, 2940, 2950, 2960, 2970, 3550, 3560, and 3750 series switches, do this:
Hold down
the mode button located on the left side of the front panel, while you
reconnect the power cable to the switch.
Catalyst
Switch Series
|
LED
Behavior and Mode Button Release Action
|
2900XL,
3500XL, 3550
|
Release
the Mode button when the LED above Port1x goes out.
|
2940,
2950
|
Release
the Mode button after approximately 5 seconds when the Status (STAT)
LED goes out. When you release the Mode button, the SYST LED
blinks amber.
|
2960,
2970
|
Release
the Mode button when the SYST LED blinks amber and then
turns solid green. When you release the Mode button, the SYST LED
blinks green.
|
3560,
3750
|
Release
the Mode button after approximately 15 seconds when the SYST LED
turns solid green. When you release the Mode button, the SYST LED
blinks green.
|
(Note: LED
position may vary slightly depending on the model.)
Step 4: Issue the flash_init command.
Step 5: Issue the load_helper command.
Step 6: Issue the dir flash: command.
(Note: Make sure to type a colon
":" after the dir flash.)
Step 7: Type rename flash:config.text flash:config.old to rename
the configuration file.
Step 8: Issue the boot command to
boot the system.
Step 9: Enter "n" at the
prompt to abort the initial configuration dialog.
Step 10: At the switch prompt, type en to enter enable mode.
Step 11: Type rename flash:config.old
flash:config.text to rename the configuration file with its original name.
Step 12: Copy the configuration file
into memory.
Switch#copy
flash:config.text system:running-config
The
configuration file is now reloaded.
Step 13: Overwrite the current
passwords that you do not know. Choose a strong password with at least one
capital letter, one number, and one special character.
(Note: Overwrite the passwords which are
necessary.)
Step 14: Write the running
configuration to the configuration file with the write memory command.
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