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Solution for Forgetting the Console Password of S7500E

2020-03-24 Published
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孟普 五段
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Network Topology

NULL

Problem Description

Client forgot the console password of S7500E switch.

Process analysis

When Telnet or SSH is available, we can log in the device via Telnet or SSH and modify or reset the login password.

If Telnet and SSH are not available, or user does not have enough privileges after Telnet or SSH login, the control of device can only be restored by deleting the configuration file.

Solution

1.   Into BOOTROM menu

Restart the device and press Ctrl+B to enter the BOOTROM menu.

 

Press Ctrl+B to enter Boot Menu...4

Please input BootRom password:

 

   BOOT MENU

1. Download application file to device

2. Select application file to boot

3. Display all files in device

4. Delete file from device

5. Modify BootRom password

0. Reboot

Enter your choice(0-5):

 

2Export the configuration file to an external TFTP/FTP server

BOOT MENU

1. Download application file to device

2. Select application file to boot

3. Display all files in device

4. Delete file from device

5. Modify BootRom password

0. Reboot

 

Enter your choice(0-5):                   //Enter CTRL+Y,then press ENTER

 

Please select application file upload choices:

1. Upload file from Flash via TFTP protocol

2. Upload file from CF card via TFTP protocol

0. Return to boot menu

 

Enter your choice(0-2): 1         

 

Load File name           :sda startup.cfg

Switch IP address        :192.168.0.36 172.16.0.1

Server IP address        :192.168.0.30 172.16.0.2

 // Enter the configuration file name, device address, TFTP server address according to the actual situation

Are you sure to upload file to server? Yes or No (Y/N):Y             //Press Y

Load file from flash to sdram...done!

Uploading...done!

Under the BOOTROM menu, press CTRL+Y and then hit ENTER to set up the TFTP server and export the configuration.

 

3Delete the current configuration file

Please select application file upload choices:

1. Upload file from Flash via TFTP protocol

2. Upload file from CF card via TFTP protocol

0. Return to boot menu

 

Enter your choice(0-2): 0                             //Select 0 to go back to the Bootrom menu

 

   BOOT MENU

 

1. Download application file to device

2. Select application file to boot

3. Display all files in device

4. Delete file from device

5. Modify BootRom password

0. Reboot

 

Enter your choice(0-5): 4                       //Select 4 to delete file from device

Flash:/

 

Number.    Size(B)   Time                 Name

===============================================================================

1          4588      Nov/05/2014 08:08:27 private-data.txt             

2          864024    Jul/19/2012 09:23:35 io_mon.txt                   

3          12610     Aug/13/2012 13:46:44 patch_mpu.bin                

4          970       Aug/09/2013 09:07:44 patchstate                   

5          62930     Nov/05/2014 08:08:51 config.cwmp                  

6          4         Oct/12/2014 11:47:27 snmpboots                    

7          33367493  Oct/15/2014 10:06:24 s7500e-cmw520-r6708p09.app   

8          21413     Nov/05/2014 08:09:19 startup.cfg                   

9          735       Aug/07/2012 10:17:45 hostkey                                    

 

Free space: 29672448 bytes

 

The current application file is:cfa0:/s7500e-cmw520-r6708p08.app

The backup application file is:cfa0:/s7500e-cmw520-r6105.app

Please input the file number to delete :8       // Select the configuration number

The file you selected is flash:/startup.cfg, delete it? Yes or No(Y/N)Y

Deleting.....done!                                            //Select Y                            

After exporting the configuration, this step is used to delete the boot file and restart the device with an empty configuration (if the device configuration does not need to be saved, you can simply delete the device configuratiom file without the second step).

 

 4Restart the device

           BOOT MENU

 

1. Download application file to device

2. Select application file to boot

3. Display all files in device

4. Delete file from device

5. Modify BootRom password

0. Reboot

 

Enter your choice(0-5): 0                             //Select 0 to reboot this device

Starting......

RAMLine.....OK

System is booting...............


The device will be restarted with empty configuration. You can set a new console password after successfully logging in the device

 

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