S7506E-S console密码忘记了求助恢复重置密码，配置需要保留。

导出配置方法如下，启动按Ctrl+B进入Bootware菜单

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): 3 //先显示一下设备中间的文件

Flash:/
File Number File Size(bytes) File Name
========================================================
0(*). 31453692 s7500e-cmw520-r6605.app
1. 1000 private-data.txt
2. 4 snmpboots
3. 19721694 s7500e-cmw520-f6306l03.app
4. 716 hostkey
5. 572 serverkey
6. 12566 patchmain
7. 16332 patchio
8. 490 patchstate
9. 864024 io_mon.txt
10. 299 ss
11. 1761681 default.diag
12. 151 system.xml

Flash Free Space : 11808 KB

The current application file is: flash:/s7500e-cmw520-r6605.app
The backup application file is: flash:/s7500e-cmw520-r6305p03.app

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): //按一下Ctrl+Y
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 //选择1


Please set TFTP protocol parameters:

Load File name :mpu207.app private-data.txt //输入要下载的文件名
Switch IP address :192.168.8.2 192.168.1.2 //交换机的IP
Server IP address :192.168.8.6 192.168.1.1 //TFTP Server的IP

Are you sure you want to upload file from flash? Yes or No(Y/N) y
Attached TCP/IP interface to fei1.
Attaching network interface lo0... done.
Prepare for transmitting....................................OK!
Uploading...........done!