39-5
Catalyst 3750 Switch Software Configuration Guide
78-16180-02
Chapter 39 Troubleshooting
Recovering from a Lost or Forgotten Password
Procedure with Password Recovery Enabled
If the password-recovery mechanism is enabled, this message appears:
The system has been interrupted prior to initializing the flash file system. The following
commands will initialize the flash file system, and finish loading the operating system
software:
flash_init
load_helper
boot
Step 1 Initialize the flash file system:
switch: flash_init
Step 2 If you had set the console port speed to anything other than 9600, it has been reset to that particular
speed. Change the emulation software line speed to match that of the switch console port.
Step 3 Load any helper files:
switch: load_helper
Step 4 Display the contents of flash memory:
switch: dir flash:
The switch file system appears:
Directory of flash:
13 drwx 192 Mar 01 1993 22:30:48 c3750-i5-mz-121-1.0
11 -rwx 5825 Mar 01 1993 22:31:59 config.text
18 -rwx 720 Mar 01 1993 02:21:30 vlan.dat
16128000 bytes total (10003456 bytes free)
Step 5 Rename the configuration file to config.text.old.
This file contains the password definition.
switch: rename flash:
config.text
flash:
config.text.old
Step 6 Boot the system:
switch: boot
You are prompted to start the setup program. Enter N at the prompt:
Continue with the configuration dialog? [yes/no]: N
Step 7 At the switch prompt, enter privileged EXEC mode:
Switch> enable
Step 8 Rename the configuration file to its original name:
Switch# rename flash:
config.text.old
flash:
config.text
Note Before continuing to Step 9, power on any connected stack members and wait until they have
completely initialized.
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