OK friend i want to solve problem to recovery password on cisco Switch this special for my friend ...
First, i uses cisco catalyst 2950 & 2960 but this problem solve can uses for cisco catalyst 35xx
OK go to lab. Look your switch any 2 button in switch : Power and Mode.After that turn on your switch when switch start-up press Mode button until
The system has been interrupted prior to initializing the
flash filesystem. The following commands will initialize
the flash filesystem, and finish loading the operating
system software:
flash_init
load_helper
boot
after that
Switch:
write command : Switch: load_helper
after that you can look it like this in your monitor.
Load_helper — Load and initialize a helper image
and write command again to initial flash : Switch: flash_init
after that you can look it like this in your monitor
Initializing Flash…
flashfs[0]: 18 files, 2 directories
flashfs[0]: 0 orphaned files, 0 orphaned directories
flashfs[0]: Total bytes: 7741440
flashfs[0]: Bytes used: 3966464
flashfs[0]: Bytes available: 3774976
flashfs[0]: flashfs fsck took 7 seconds.
…done initializing flash.
Boot Sector Filesystem (bs:) installed, fsid: 3
Parameter Block Filesystem (pb:) installed, fsid: 4
after your initial flash, write command : switch: dir
this command for looking directory on switch.
You can looking like this in directory
switch: dir
List of filesystems currently registered:
flash[0]: (read-write)
xmodem[1]: (read-only)
null[2]: (read-write)
bs[3]: (read-only)
ok we can go to flash directory
write command : switch: dir flash:
Directory of flash:/
2 -rwx 2664051
3 -rwx 269
4 -rwx 2296
5 -rwx 3441
6 -rwx 5
7 drwx 704
19 -rwx 109
20 -rwx 109
3774976 bytes available (3966464 bytes used)
before i want continued this topic i can explain a little file on flash directory.
1. c2950-i6q4l2-mz.121-11.EA1.bin --> this IOS file
2. vlan.dat --> this configuration VLAN on your switch
3. config.text --> This file for configuration Switch
OK I want continued this topic. We can manipulate Switch configuration .
first : Rename Switch Configuration
switch: rename flash: config.text flash: config.text.lama
Before you continued configuration please cek again files on flash Directory.
switch: dir flash:
Directory of flash:/
2 -rwx 2664051
3 -rwx 269
4 -rwx 2296
5 -rwx 3441
6 -rwx 5
7 drwx 704
19 -rwx 109
20 -rwx 109
3774976 bytes available (3966464 bytes used)
switch:
after you cek flash directory we can go to start up again
switch: boot
after we enter command boot you can look :
ile “flash:/c2950-i6q4l2-mz.121-11.EA1.bin” uncompressed and installed, entry point: 0×80010000
executing…
Restricted Rights Legend
Use, duplication, or disclosure by the Government is
subject to restrictions as set forth in subparagraph
(c) of the Commercial Computer Software – Restricted
Rights clause at FAR sec. 52.227-19 and subparagraph
(c) (1) (ii) of the Rights in Technical Data and Computer
Software clause at DFARS sec. 252.227-7013.
cisco Systems, Inc.
170 West Tasman Drive
San Jose, California 95134-1706
Cisco Internetwork Operating System Software
IOS ™ C2950 Software (C2950-I6Q4L2-M), Version 12.1(11)EA1, RELEASE SOFTWARE (fc1)
Copyright (c) 1986-2002 by cisco Systems, Inc.
Compiled Wed 28-Aug-02 10:25 by antonino
Image text-base: 0×80010000, data-base: 0×80528000
Initializing flashfs…
flashfs[1]: 18 files, 2 directories
flashfs[1]: 0 orphaned files, 0 orphaned directories
flashfs[1]: Total bytes: 7741440
flashfs[1]: Bytes used: 3966464
flashfs[1]: Bytes available: 3774976
flashfs[1]: flashfs fsck took 7 seconds.
flashfs[1]: Initialization complete.
Done initializing flashfs.
POST: System Board Test : Passed
POST: Ethernet Controller Test : Passed
ASIC Initialization Passed
POST: FRONT-END LOOPBACK TEST : Passed
cisco WS-C2950-24 (RC32300) processor (revision G0) with 20402K bytes of memory.
Processor board ID FOC0652Y1DH
Last reset from system-reset
Running Standard Image
24 FastEthernet/IEEE 802.3 interface(s)
32K bytes of flash-simulated non-volatile configuration memory.
Base ethernet MAC Address: 00:0B:BE:DE:C2:40
Motherboard assembly number: 73-5781-11
Power supply part number: 34-0965-01
Motherboard serial number: FOC06520A0V
Power supply serial number: PHI06470GKF
Model revision number: G0
Motherboard revision number: A0
Model number: WS-C2950-24
System serial number: FOC0652Y1DH
— System Configuration Dialog —
Would you like to enter the initial configuration dialog? [yes/no]:
don't forget typing no for bypass initial configuration
after that please enter this command to looking flash directory and rename config.text.lama and re change config.text to config.text.lama
Switch>en
Switch#dir
Directory of flash:/
2 -rwx 2664051 Mar 01 1993 00:03:22 c2950-i6q4l2-mz.121-11.EA1.bin
3 -rwx 269 Jan 01 1970 00:01:24 env_vars
4 -rwx 2296 Mar 28 1993 22:10:35 vlan.dat
5 -rwx 3441 Mar 08 1993 22:54:27 config.text.lama
6 -rwx 5 Mar 08 1993 22:54:27 private-config.text
7 drwx 704 Mar 01 1993 00:03:59 html
19 -rwx 109 Mar 01 1993 00:04:01 info
20 -rwx 109 Mar 01 1993 00:04:01 info.ver
7741440 bytes total (3774976 bytes free)
Switch#rename flash:config.text.lama flash:config.text
Destination filename [config.text]?
this command for re change config.text to config.text.lama
Switch# copy flash: config.text system: running-config
Source filename [config.text]?
Destination filename [running-config]?
don't forget press enter for reload your configuration
and your switch configuration has back again
Switchdudul#
after that don't forget to replace your enable secret
Switchdudul# configure terminal
Switchdudul (config)# enable secret khayangan
Switchdudul (config)# exit
Switchdudul# write memory
Building configuration…
[OK]
OK your Switch has back again. I hope this article can help you
cheers
"Belajarlah dari Masa lalu "
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