i need help with my Cisco 3750, I'm trying to reset the password but cannot communicate with my switch, what am I doing wrong?

[triangel69]

i need help with my Cisco 3750, I'm trying to reset the password but cannot communicate with my switch, what am I doing wrong?

[Arumugam Muthaiah]

Hi Miriam,

Please see the below procedure to change the password for the this switch,

• Connect to Cisco 3750 with the Console Cable at it’s original settings
  
• Unplug the power cable
  
• Power On the switch Cisco 3750
  
• Press Mode, bring it to the switch: prompt:
  
• Issue the switch: flash_init
  
• Issue the switch: load_helper
  
• Issue switch: dir flash: (Make sure to type a colon ":" after the dir flash)
  
• Then the switch file system is displayed
  

switch: dir flash:

Directory of flash:/ 2    -rwx  1803357                  c3500xl-c3h2s-mz.120-5.WC7.bin

4    -rwx  1131                     config.text

• Type switch: rename flash:config.text flash:config.text.old
  
• Issue the switch: boot
  
• Continue with the configuration dialog? [yes/no]: N
  
• At the switch prompt, type Switch> enable
  
• Type Switch# rename flash:config.text.old flash:config.text
  
• Copy the the configuration file into memory Switch# copy flash:config.text system:running-config
  
• Overwrite the current passwords that you do not know. Choose a strong password
  

          Switch# conf t

          Switch(config)# enable secret

          --- To overwrite existing vty password

          Switch(config)#line vty 0 15
          Switch(config-line)#password

          Switch(config-line)#login

          --- To overwrite existing console password

          Switch(config-line)#line con 0
          Switch(config-line)#password

          Switch(config)# exit

          Switch# copy running-config startup-config

• Switch# reload
  

Refer:

http://www.cisco.com/en/US/products/hw/switches/ps628/products_password_recovery09186a0080094184.shtml

Regards,

Aru