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Cisco 交换机密码恢复

Eshine 思科培训中心作者：雷铮 QQ：198620221

Lab

Lab Lab

Lab 7

7 Cisco

Cisco Cisco

Cisco 交换机密码恢复

交换机密码恢复交换机密码恢复

交换机密码恢复

实验目的

实验目的实验目的

实验目的：

：：

：

熟练掌握

熟练掌握熟练掌握

熟练掌握 cisco

ciscocisco

cisco 交换机密码恢复

交换机密码恢复交换机密码恢复

交换机密码恢复

实验设备

实验设备实验设备

实验设备：

：：

：

Cisco catalyst

isco catalyst isco catalyst

isco catalyst 交换机

交换机交换机

交换机 1

1 台

台台

台

实验步骤

实验步骤实验步骤

实验步骤：

：：

：

交换机

交换机交换机

交换机

1. 1.

1. 拨掉电源

拨掉电源拨掉电源

拨掉电源，

，，

，按住前面板的

按住前面板的按住前面板的

按住前面板的mode

mode mode

mode 键不放

键不放键不放

键不放，

，，

，插上电源

插上电源插上电源

插上电源，

，，

，等

等等

等3

3－

－－

－5

5 5

5 秒后松开

秒后松开秒后松开

秒后松开mode

mode mode

mode 键

键键

键。

。。

。

C2950 Boot Loader (C2950

C2950 Boot Loader (C2950C2950 Boot Loader (C2950

C2950 Boot Loader (C2950-

-HBOOT

HBOOTHBOOT

HBOOT-

-M) Version 12.1(11r)EA1, RELEASE SOFTWARE

M) Version 12.1(11r)EA1, RELEASE SOFTWARE M) Version 12.1(11r)EA1, RELEASE SOFTWARE

M) Version 12.1(11r)EA1, RELEASE SOFTWARE

(fc1)

(fc1)(fc1)

(fc1)

Compiled Mon 22

Compiled Mon 22Compiled Mon 22

Compiled Mon 22-

-Jul

JulJul

Jul-

-02 17:18 by antonino

02 17:18 by antonino02 17:18 by antonino

02 17:18 by antonino

WSWS

WS-

-C2950

C2950C2950

C2950-

-24

24 24

24 starting...

starting...starting...

starting...

Base ethernet MAC Address: 00:0d:28:67:63:40

Base ethernet MAC Address: 00:0d:28:67:63:40Base ethernet MAC Address: 00:0d:28:67:63:40

Base ethernet MAC Address: 00:0d:28:67:63:40

Xmodem file system is available.

Xmodem file system is available.Xmodem file system is available.

Xmodem file system is available.

The system has been interrupted prior to initializing the

The system has been interrupted prior to initializing theThe system has been interrupted prior to initializing the

The system has been interrupted prior to initializing the

flash filesystem. The following commands will initialize

flash filesystem. The following commands will initializeflash filesystem. The following commands will initialize

flash filesystem. The following commands will initialize

the flash filesystem, and finish loading the oper

the flash filesystem, and finish loading the operthe flash filesystem, and finish loading the oper

the flash filesystem, and finish loading the operating

ating ating

ating

system software:

system software:system software:

system software:

flash_init

flash_init flash_init

flash_init

load_helper

load_helper load_helper

load_helper

boot

boot boot

boot

2. 2.

2. 输入

输入输入

输入 flash

flashflash

flash_init

_init_init

_init

\将

将将

将 flash

flashflash

flash 初始化

初始化初始化

初始化

如果

如果如果

如果不初始化

不初始化不初始化

不初始化

敲别的命令报错

敲别的命令报错敲别的命令报错

敲别的命令报错

switch: flash_init

switch: flash_initswitch: flash_init

switch: flash_init

Initializing Flash...

Initializing Flash...Initializing Flash...

Initializing Flash...

flashfs[0]: 4 files, 1 directories

flashfs[0]: 4 files, 1 directoriesflashfs[0]: 4 files, 1 directories

flashfs[0]: 4 files, 1 directories

flashfs[0]: 0 orphaned files, 0 orphaned directories

flashfs[0]: 0 orphaned files, 0 orphaned directoriesflashfs[0]: 0 orphaned files, 0 orphaned directories

flashfs[0]: 0 orphaned files, 0 orphaned directories

flashfs[0]: Total bytes: 7741440

flashfs[0]: Total bytes: 7741440flashfs[0]: Total bytes: 7741440

flashfs[0]: Total bytes: 7741440

flashfs[0]: Bytes used: 3726336

flashfs[0]: Bytes used: 3726336flashfs[0]: Bytes used: 3726336

flashfs[0]: Bytes used: 3726336

flashfs[0]: By

flashfs[0]: Byflashfs[0]: By

flashfs[0]: Bytes available: 4015104

tes available: 4015104tes available: 4015104

tes available: 4015104

flashfs[0]: flashfs fsck took 6 seconds.

flashfs[0]: flashfs fsck took 6 seconds.flashfs[0]: flashfs fsck took 6 seconds.

flashfs[0]: flashfs fsck took 6 seconds.

...done initializing flash.

...done initializing flash....done initializing flash.

...done initializing flash.

Boot Sector Filesystem (bs:) installed, fsid: 3

Boot Sector Filesystem (bs:) installed, fsid: 3Boot Sector Filesystem (bs:) installed, fsid: 3

Boot Sector Filesystem (bs:) installed, fsid: 3

Parameter Block Filesystem (pb:) installed, fsid: 4

Parameter Block Filesystem (pb:) installed, fsid: 4Parameter Block Filesystem (pb:) installed, fsid: 4

Parameter Block Filesystem (pb:) installed, fsid: 4

3. 3.

3. 输入

输入输入

输入 load_helper

load_helperload_helper

load_helper

\加载帮助信息

加载帮助信息加载帮助信息

加载帮助信息

switch: load_helper

switch: load_helperswitch: load_helper

switch: load_helper

4. 4.

4. 输入

输入输入

输入 dir fla

dir fladir fla

dir flash

shsh

sh：

：：

：

\查看配置文件

查看配置文件查看配置文件

查看配置文件名称

名称名称

名称

switch: dir flash:

switch: dir flash:switch: dir flash:

switch: dir flash:

Directory of flash:/

Directory of flash:/Directory of flash:/

Directory of flash:/

2 2

2 -

-rwx 3722038 <date>

rwx 3722038 <date>rwx 3722038 <date>

rwx 3722038 <date>

c2950

c2950c2950

c2950-

-i6k2l2q4

i6k2l2q4i6k2l2q4

i6k2l2q4-

-mz.121

mz.121mz.121

mz.121-

-22.EA12.bin

22.EA12.bin22.EA12.bin

22.EA12.bin

3 3

3 -

-rwx 736 <date> vlan.dat

rwx 736 <date> vlan.datrwx 736 <date> vlan.dat

rwx 736 <date> vlan.dat

Cisco 交换机密码恢复

Eshine 思科培训中心作者：雷铮 QQ：198620221

4 4

4 -

-rwx 1319 <date> config.text

rwx 1319 <date> config.textrwx 1319 <date> config.text

rwx 1319 <date> config.text

5 5

5 -

-rwx 24

rwx 24rwx 24

rwx 24 <date> private

<date> private <date> private

<date> private-

-config.text

config.textconfig.text

config.text

4015104 bytes available (3726336 bytes used)

4015104 bytes available (3726336 bytes used)4015104 bytes available (3726336 bytes used)

4015104 bytes available (3726336 bytes used)

5. 5.

5. 给交换机的配置文件重命名

给交换机的配置文件重命名给交换机的配置文件重命名

给交换机的配置文件重命名

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

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

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

6. 6.

6. 重新启动交换机

重新启动交换机重新启动交换机

重新启动交换机

switch: boot

switch: bootswitch: boot

switch: boot

Loading Loading

"flash:/c2950

"flash:/c2950"flash:/c2950

"flash:/c2950-

-i6k2l2q4

i6k2l2q4i6k2l2q4

i6k2l2q4-

-mz.121

mz.121mz.121

mz.121-

-22.EA12.bin"...##################

22.EA12.bin"...##################22.EA12.bin"...##################

22.EA12.bin"...#######################

##########

#####

####################################################################

########################################################################################################################################

####################################################################

########################################################################################################################################

####################################################################

########################################################################################################################################

####################################################################

####

########

####

File "flash:/c2950

File "flash:/c2950File "flash:/c2950

File "flash:/c2950-

-i6k2l2q4

i6k2l2q4i6k2l2q4

i6k2l2q4-

-mz.121

mz.121mz.121

mz.121-

-22.EA1

22.EA122.EA1

22.EA12.bin" uncompressed and

2.bin" uncompressed and 2.bin" uncompressed and

2.bin" uncompressed and

installed, entry point: 0x80010000

installed, entry point: 0x80010000installed, entry point: 0x80010000

installed, entry point: 0x80010000

executing...

executing...executing...

executing...

Restricted Rights Legend

Restricted Rights Legend Restricted Rights Legend

Restricted Rights Legend

Use, duplication, or disclosure by the Government is

Use, duplication, or disclosure by the Government isUse, duplication, or disclosure by the Government is

Use, duplication, or disclosure by the Government is

subject to restrictions as set forth in subparagraph

subject to restrictions as set forth in subparagraphsubject to restrictions as set forth in subparagraph

subject to restrictions as set forth in subparagraph

re re

re -

- Restricted

Restricted Restricted

Restricted

Rights clause at FAR sec. 52.227

Rights clause at FAR sec. 52.227Rights clause at FAR sec. 52.227

Rights clause at FAR sec. 52.227-

-19 and subparagraph

19 and subparagraph19 and subparagraph

19 and subparagraph

Software clause at DFARS sec. 252.227

Software clause at DFARS sec. 252.227Software clause at DFARS sec. 252.227

Software clause at DFARS sec. 252.227-

-7013.

7013.7013.

7013.

cisco Systems, Inc.

cisco Systems, Inc. cisco Systems, Inc.

cisco Systems, Inc.

170 West Tasman Drive

170 West Tasman Drive 170 West Tasman Drive

170 West Tasman Drive

San Jose,

San Jose, San Jose,

San Jose, California 95134

California 95134 California 95134

California 95134-

-1706

17061706

1706

Cisco Internetwork Operating System Software

Cisco Internetwork Operating System Software Cisco Internetwork Operating System Software

Cisco Internetwork Operating System Software

IOS (tm) C2950 Software (C2950

IOS (tm) C2950 Software (C2950IOS (tm) C2950 Software (C2950

IOS (tm) C2950 Software (C2950-

-I6K2L2Q4

I6K2L2Q4I6K2L2Q4

I6K2L2Q4-

-M), Version 12.1(22)EA12,

M), Version 12.1(22)EA12, M), Version 12.1(22)EA12,

M), Version 12.1(22)EA12,

RELEASE SOFTWARE (fc1)

RELEASE SOFTWARE (fc1)RELEASE SOFTWARE (fc1)

RELEASE SOFTWARE (fc1)

-2008 by cisco Systems, Inc.

2008 by cisco Systems, Inc.2008 by cisco Systems, Inc.

2008 by cisco Systems, Inc.

Compiled Tue 08

Compiled Tue 08Compiled Tue 08

Compiled Tue 08-

-Jul

JulJul

Jul-

-08 00:03 by amvarma

08 00:03 by amvarma08 00:03 by amvarma

08 00:03 by amvarma

Image te

Image teImage te

Image text

xtxt

xt-

-base: 0x80010000, data

base: 0x80010000, database: 0x80010000, data

base: 0x80010000, data-

-base: 0x80680000

base: 0x80680000base: 0x80680000

base: 0x80680000

Initializing flashfs...

Initializing flashfs...Initializing flashfs...

Initializing flashfs...

flashfs[1]: 4 files, 1 directories

flashfs[1]: 4 files, 1 directoriesflashfs[1]: 4 files, 1 directories

flashfs[1]: 4 files, 1 directories

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