Recover Cisco Catalyst 2960 Switch Password: Difference between revisions

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Line 27: Line 27:
  switch: dir flash:
  switch: dir flash:
  Directory of flash:/
  Directory of flash:/
2    -rwx  1803357  <date>              c3500xl-c3h2s-mz.120-5.WC7.bin


This is the current version of software.
Output ommitted.


  4    -rwx  1131      <date>              config.text
  4    -rwx  1131      <date>              config.text
Line 42: Line 41:
  switch:
  switch:


This output is from a 3500XL switch. Output from
7. Rename the configuration file by entering '''rename flash:config.text flash:config.old'''.  The config.text file is the file that contains the password definition.
other switches will vary slightly.
 
switch: rename flash:config.text flash:config.old
switch:
 
8. Reboot the switch by entering the '''boot''' command.
 
switch: boot
Loading "flash:...
 
9. When the switch is done reloading the ''---System Configuration Dialog---''' will appear in the output.  Answer '''no''' or press '''ctrl-c''' to leave the system configuration dialog.
 
--- System Configuration Dialog ---
At any point you may enter a question mark '?' for help.
Use ctrl-c to abort configuration dialog at any prompt.
Default settings are in square brackets '[]'.
Continue with configuration dialog? [yes/no]: n
 
Press RETURN to get started.
 
Switch>
 






*[[Password Recovery and Device Reset Procedures]]
*[[Password Recovery and Device Reset Procedures]]

Revision as of 15:42, 9 December 2010

Recover Cisco Catalyst 2960 Switch Password

1. Connect to the console port of the switch a PC with terminal emulating software like Hyperterminal or TeraTerm. The terminal settings are as follows:

◦Bits per second (baud): 9600 
◦Data bits: 8 
◦Parity: None 
◦Stop bits: 1 
◦Flow Control: Xon/Xoff 

2. Power down the switch by unplugging the power cord.

3. Hold down the mode button on the front left side of the switch and plug in the power cord. Do not release the mode button until you see the SYST LED blink amber and then turn solid green. When you release the mode button the SYST LED should blink green. The switch should now be in switch: mode.

4. Enter the flash_init command at the switch: prompt.

switch: flash_init
Initializing Flash...

5. Enter the load_helper command

switch: load_helper
switch:

6. Enter the dir flash: command

switch: dir flash:
Directory of flash:/

Output ommitted.

4    -rwx  1131      <date>               config.text

This is the configuration file.

5    -rwx  109       <date>               info
6    -rwx  389       <date>               env_vars
7    drwx  640       <date>               html
18   -rwx  109       <date>               info.ver
403968 bytes available (3208704 bytes used)
switch:

7. Rename the configuration file by entering rename flash:config.text flash:config.old. The config.text file is the file that contains the password definition.

switch: rename flash:config.text flash:config.old
switch:

8. Reboot the switch by entering the boot command.

switch: boot
Loading "flash:...

9. When the switch is done reloading the ---System Configuration Dialog---' will appear in the output. Answer no or press ctrl-c to leave the system configuration dialog.

--- System Configuration Dialog ---
At any point you may enter a question mark '?' for help.
Use ctrl-c to abort configuration dialog at any prompt.
Default settings are in square brackets '[]'.
Continue with configuration dialog? [yes/no]: n 
Press RETURN to get started.


Switch>