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Chapter 39
Troubleshooting
If you enter n (no), the normal boot process continues as if the Mode button had not been pressed;
•
you cannot access the boot loader prompt, and you cannot enter a new password. You see the
message:
Press Enter to continue........
If you enter y (yes), the configuration file in flash memory and the VLAN database file are deleted.
•
When the default configuration loads, you can reset the password.
Elect to continue with password recovery and lose the existing configuration:
Step 1
Would you like to reset the system back to the default configuration (y/n)? Y
Load any helper files:
Step 2
Switch: load_helper
Display the contents of flash memory:
Step 3
switch: dir flash:
The switch file system appears:
Directory of flash:
13
drwx
16128000 bytes total (10003456 bytes free)
Boot the system:
Step 4
Switch: boot
You are prompted to start the setup program. To continue with password recovery, enter N at the prompt:
Continue with the configuration dialog? [yes/no]: N
Step 5
At the switch prompt, enter privileged EXEC mode:
Switch> enable
Enter global configuration mode:
Step 6
Switch# configure terminal
Change the password:
Step 7
Switch (config)# enable secret password
The secret password can be from 1 to 25 alphanumeric characters, can start with a number, is case
sensitive, and allows spaces but ignores leading spaces.
Return to privileged EXEC mode:
Step 8
Switch (config)# exit
Switch#
Note
78-16180-02
192
Mar 01 1993 22:30:48 c3750-i5-mz-121-1.0
Before continuing to Step 9, power on any connected stack members and wait until they have
completely initialized.
Recovering from a Lost or Forgotten Password
Catalyst 3750 Switch Software Configuration Guide
39-7
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Table of Contents
Troubleshooting
