H3C S5120清除console口密碼

 

 

 

 

 

 

1、開機啓動交換機顯示Press Ctrl-B to enter Extended Boot menu...0  字樣迅速按Ctrl-B進入以下字符介面提示：

 

Press Ctrl-B to enter Extended Boot menu...0

BootRom password: Not required. Please press Enter to continue.

 

Password recovery capability is enabled.

 

   BOOT MENU

 

1. Download application file to flash

2. Select application file to boot

3. Display all files in flash

4. Delete file from flash

5. Restore to factory default configuration

6. Enter BootRom upgrade menu

7. Skip current system configuration

8. Reserved

9. Set switch startup mode

0. Reboot

Ctrl+F: Format File System

Ctrl+P: Skip Super Password

Ctrl+R: Download application to SDRAM and Run

Ctrl+Z: Access EXTEND-ASSISTANT MENU

Ctrl+C: Display Copyright

 

Enter your choice(0-9):  7   (選擇7選項按回車鍵)

 

The current setting will run with current configuration file when reboot.

Are you sure you want to skip current configuration file when reboot? Yes or No

(Y/N):  Y    (選擇 Y確認)

 

Setting...Done!

 

   BOOT MENU

 

1. Download application file to flash

2. Select application file to boot

3. Display all files in flash

4. Delete file from flash

5. Restore to factory default configuration

6. Enter BootRom upgrade menu

7. Skip current system configuration

8. Reserved

9. Set switch startup mode

0. Reboot

Ctrl+F: Format File System

Ctrl+P: Skip Super Password

Ctrl+R: Download application to SDRAM and Run

Ctrl+Z: Access EXTEND-ASSISTANT MENU

Ctrl+C: Display Copyright

 

Enter your choice(0-9):  0   (選擇0選項重啓)

 

標註：重啓後進入交換機不須要輸入密碼，但只限此次登陸有效，若是交換機再重啓後又會加載原來配置文件，密碼依然存在。如今有兩種方法清除：

方法一：直接修改console口密碼，而後保存，但保存以後交換機原來的配置信息都清空。

方法二：臨時配置一個網口鏈接到筆記本，經過tftp軟件把配置文件下載下來，直接修改或刪除配置文件的console口的密碼再經過tftp上傳到交換機後

默認交換機啓動加載修改過的配置文件。這種方法能夠保存交換機原來的配置信息，只是清空了console密碼。

 

採用方法二：

電腦網線接到交換機，設置一個固定IP，而後打開tftp軟件進行上傳與下載

 

 

 

<H3C>system-view

[H3C]vlan 10

[H3C-vlan10]port GigabitEthernet 1/0/1 to GigabitEthernet 1/0/10

[H3C-vlan10]quit

[H3C]interface Vlan-interface 10

[H3C-Vlan-interface10]ip address 192.168.10.1 255.255.255.0

[H3C-Vlan-interface10]quit

[H3C]quit

<H3C>dir  /all     （顯示交換機保存的配置文件）

Directory of flash:/

 

   0     -rwh      2936  Apr 26 2000 12:41:21   private-data.txt

   1     -rw-     12203  Apr 26 2000 12:41:21   config.cwmp

   2     -rw-      3247  Apr 26 2000 12:41:23   startup.cfg

   3     -rw-  14869224  May 10 2017 16:41:58   s5120tt.bin

   4     drw-         -  Apr 26 2000 12:00:12   logfile

 

97920 KB total (81868 KB free)

 

<H3C>tftp 192.168.10.11 put startup.cfg  backup01.cfg 

  (下載交換機配置文件startup.cfg並把名字修改爲backup01.cfg，經過txt文本打開backup01.cfg配置文件把密碼刪除掉)

 

 

<H3C>tftp  192.168.10.11  get  backup01.cfg   （上傳到交換機）

 

  File will be transferred in binary mode

  Downloading file from remote TFTP server, please wait...\

  TFTP:     2962 bytes received in 0 second(s)

  File downloaded successfully.

 

 

<H3C>dir  /all   （顯示交換機保存的配置文件）

Directory of flash:/

 

   0     -rw-      2962  Apr 26 2000 12:36:53   backup01.cfg

   1     -rwh      2936  Apr 26 2000 12:41:21   private-data.txt

   2     -rw-     12203  Apr 26 2000 12:41:21   config.cwmp

   3     -rw-      3247  Apr 26 2000 12:41:23   startup.cfg

   4     -rw-  14869224  May 10 2017 16:41:58   s5120tt.bin

   5     drw-         -  Apr 26 2000 12:00:12   logfile

 

97920 KB total (81862 KB free)

 

 

<H3C>display  startup  （顯示交換機啓動默認加載配置）

MainBoard:

 Current startup saved-configuration file: NULL

 Next main startup saved-configuration file: flash:/startup.cfg

 Next backup startup saved-configuration file: NULL

 

<H3C>startup  saved-configuration  backup01.cfg

Please wait ...

Setting the master board ...

... Done!

<H3C>display  startup

MainBoard:

 Current startup saved-configuration file: NULL

 Next main startup saved-configuration file: flash:/backup01.cfg

 Next backup startup saved-configuration file: NULL

 

<H3C>reboot   (重啓交換機)

 Start to check configuration with next startup configuration file, please wait.

........DONE!

 This command will reboot the device. Current configuration will be lost, save c

urrent configuration? [Y/N]:N    （這裏要選擇N不保存當前配置）

This command will reboot the device. Continue? [Y/N]:Y

 

 

 

 

 

特殊操做：

還有一種方法也能夠破解console口密碼，直接把交換機系統格式化掉，再從H3C官網下載一個同型號的交換機系統文件經過tftp上傳到H3C交換機。

 

Enter your choice(0-9):

 

   BOOT MENU

 

1. Download application file to flash

2. Select application file to boot

3. Display all files in flash

4. Delete file from flash

5. Restore to factory default configuration

6. Enter BootRom upgrade menu

7. Skip current system configuration

8. Reserved

9. Set switch startup mode

0. Reboot

Ctrl+F: Format File System

Ctrl+P: Skip Super Password

Ctrl+R: Download application to SDRAM and Run

Ctrl+Z: Access EXTEND-ASSISTANT MENU

Ctrl+C: Display Copyright

 

Enter your choice(0-9):    (按快捷鍵Ctrl+F 格式化交換機系統)

 

 

 

1. Download application file to flash

2. Select application file to boot

3. Display all files in flash

4. Delete file from flash

5. Restore to factory default configuration

6. Enter BootRom upgrade menu

7. Skip current system configuration

8. Reserved

9. Set switch startup mode

0. Reboot

Ctrl+F: Format File System

Ctrl+P: Skip Super Password

Ctrl+R: Download application to SDRAM and Run

Ctrl+Z: Access EXTEND-ASSISTANT MENU

Ctrl+C: Display Copyright

 

Enter your choice(0-9):  1  (選擇 1 選項上傳交換機系統)

 

 

1. Download application file to flash

2. Select application file to boot

3. Display all files in flash

4. Delete file from flash

5. Restore to factory default configuration

6. Enter BootRom upgrade menu

7. Skip current system configuration

8. Reserved

9. Set switch startup mode

0. Reboot

Ctrl+F: Format File System

Ctrl+P: Skip Super Password

Ctrl+R: Download application to SDRAM and Run

Ctrl+Z: Access EXTEND-ASSISTANT MENU

Ctrl+C: Display Copyright

 

Enter your choice(0-9):  2  (選擇2 選項選擇交換機系統啓動文件)