Cisco 2950 password recovery help

Posted in: DIY Servers |

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C2955 Boot Loader (C2955-HBOOT-M) Version 12.1(0.0.514), CISCO DEVELOPMENT TEST
VERSION
Compiled Fri 13-Dec-02 17:38 by madison
WS-C2955T-12 starting…
Base ethernet MAC Address: 00:0b:be:b6:ee:00
Xmodem file system is available.
Initializing Flash…
flashfs[0]: 19 files, 2 directories
flashfs[0]: 0 orphaned files, 0 orphaned directories
flashfs[0]: Total bytes: 7741440
flashfs[0]: Bytes used: 4510720
flashfs[0]: Bytes available: 3230720
flashfs[0]: flashfs fsck took 7 seconds.
…done initializing flash.
Boot Sector Filesystem (bs:) installed, fsid: 3
Parameter Block Filesystem (pb:) installed, fsid: 4

*** The system will autoboot in 15 seconds ***
Send break character to prevent autobooting.

!— Wait until you see this message before
!— you issue the break sequence.
!— Ctrl+Break is entered using Hyperterm.

The system has been interrupted prior to initializing the flash file system to finish
loading the operating system software:

flash_init
load_helper
boot
switch:

#

Issue the flash_init command.

switch: flash_init
Initializing Flash…
flashfs[0]: 143 files, 4 directories
flashfs[0]: 0 orphaned files, 0 orphaned directories
flashfs[0]: Total bytes: 3612672
flashfs[0]: Bytes used: 2729472
flashfs[0]: Bytes available: 883200
flashfs[0]: flashfs fsck took 86 seconds
….done Initializing Flash.
Boot Sector Filesystem (bs:) installed, fsid: 3
Parameter Block Filesystem (pb:) installed, fsid: 4
switch:

!— This output is from a 2900XL switch. Output from
!— other switches will vary slightly.

#

Issue the load_helper command.

switch: load_helper
switch:

#

Issue the dir flash: command.

Note: Make sure to type a colon “:” after the dir flash.

The switch file system is displayed:

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

!— This is the current version of software.

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:

!— This output is from a 3500XL switch. Output from
!— other switches will vary slightly.

#

Type rename flash:config.text flash:config.old to rename the configuration file.

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

!— The config.text file contains the password
!— definition.

#

Issue the boot command to boot the system.

switch: boot
Loading “flash:c3500xl-c3h2s-mz.120-5.WC7.bin”…###############################
################################################################################
######################################################################
File “flash:c3500xl-c3h2s-mz.120-5.WC7.bin” uncompressed and installed, entry po
int: 0×3000
executing…

!— Output suppressed.
!— This output is from a 3500XL switch. Output from other switches
!— will vary slightly.

#

Enter “n” at the prompt to abort the initial 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

!— Type “n” for no.

Press RETURN to get started.

!— Press Return or Enter.

Switch>

!— The Switch> prompt is displayed.

#

At the switch prompt, type en to enter enable mode.

Switch>en
Switch#

#

Type rename flash:config.old flash:config.text to rename the configuration file with its original name.

Switch#rename flash:config.old flash:config.text
Destination filename [config.text]

!— Press Return or Enter.

Switch#

#

Copy the configuration file into memory.

Switch#copy flash:config.text system:running-config
Destination filename [running-config]?

!— Press Return or Enter.

1131 bytes copied in 0.760 secs
Sw1#

The configuration file is now reloaded.
#

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. You need not overwrite all of the mentioned passwords.

Sw1# conf t

!— To overwrite existing secret password

Sw1(config)#enable secret <new_secret_password>

!— To overwrite existing enable password

Sw1(config)#enable password <new_enable_password>

!— To overwrite existing vty password

Sw1(config)#line vty 0 15
Sw1(config-line)#password <new_vty_password>

Sw1(config-line)#login

!— To overwrite existing console password

Sw1(config-line)#line con 0
Sw1(config-line)#password <new_console_password>

#

Write the running configuration to the configuration file with the write memory command.

Sw1#write memory
Building configuration…
[OK]
Sw1#

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