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思科Catalyst交換機(jī)密碼恢復(fù)妙招

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假如交換機(jī)的login密碼忘記了咋辦啊?
別急別急,只要你有PC,有類(lèi)似超級(jí)終端(Hyper Terminal)這樣是終端程序,連接到交換機(jī)的console口,那么密碼的恢復(fù)就簡(jiǎn)單了 。

1.對(duì)于Catalyst 2900/3500XL系列來(lái)說(shuō):
拔下交換機(jī)的電源線,然后按住交換機(jī)的Mode按鈕,再重新插上交換機(jī)的電源線.直到端口Port 1x的LED熄滅之后釋放Mode按鈕 。
就這么簡(jiǎn)單,別告訴我你不知道Mode按鈕在哪啊 。

2.對(duì)于Catalyst 2940/2950L系列來(lái)說(shuō):
拔下交換機(jī)的電源線,然后按住交換機(jī)的Mode按鈕,再重新插上交換機(jī)的電源線.直到STAT的LED熄滅之后釋放Mode按鈕 。

3.對(duì)于Catalyst 2955系列來(lái)說(shuō):
Catalyst 2955沒(méi)有沒(méi)有外部的Mode按鈕,因此就不能使用之前的那種方法來(lái)進(jìn)行密碼恢復(fù).在交換機(jī)啟動(dòng)時(shí),對(duì)于Windows系列的PC,按下Ctrl Break鍵;對(duì)于UNIX系列的工作站,按下Ctrl C.如下:
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
/---接下來(lái)交換機(jī)會(huì)在15秒內(nèi)自動(dòng)啟動(dòng),等出現(xiàn)該信息之后,按下Ctrl Break鍵或Ctrl C鍵---/

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

接下來(lái)輸入flash_init命令:
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:

接著輸入load_helper命令:
switch:load_helper
switch:

再輸入dir flash:命令顯示交換機(jī)的文件系統(tǒng):
switch:dir flash:
Directory of flash:/
2 ?rwx 1803357 c3500xl?c3h2s?mz.120?5.WC7.bin
4 ?rwx 1131 config.text
5 ?rwx 109 info
6 ?rwx 389 env_vars
7 drwx 640 Html
18 ?rwx 109 info.ver
403968 bytes available (3208704 bytes used)
switch:

把配置文件重命名:
switch:rename flash:config.text flash:config.old

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