MSR2600-10 软件版本丢失，应该怎么做

当出现“Press Ctrl+B to enter extended boot menu...”时，键入<Ctrl+B>，系统提示：

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

按Enter键系统进入BootWare主菜单：

The current mode is password recovery.                                      

Note: The current operating device is cfa0                                     

Enter < Storage Device Operation > to select device.                           

===========================<EXTEND-BOOTWARE MENU>===========================   

|<1> Boot System                                                                  |   

|<2> Enter Serial SubMenu                                                         |   

|<3> Enter Ethernet SubMenu                                                       |   

|<4> File Control                                                                 |   

|<5> Restore to Factory Default Configuration                                     |   

|<6> Skip Current System Configuration                                            |   

|<7> BootWare Operation Menu                                                      |   

|<8> Clear Super Password                                                         |   

|<9> Storage Device Operation                                                     |   

|<0> Reboot                                                                       |   

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

Ctrl+Z: Access EXTEND-ASSISTANT MENU  

Ctrl+F: Format File System  

Enter your choice(0-9):

 通过以太网口利用TFTP/FTP升级启动文件

(2)      以太网口参数配置：在BootWare主菜单下键入<3>可以进入以太网口子菜单，然后键入<5>就可以进入以太网口配置菜单：

=========================<ETHERNET PARAMETER SET>=========================

|Note:       '.' = Clear field.                                            |

|            '-' = Go to previous field.                                   |

|          Ctrl+D = Quit.                                                  |

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

Protocol (FTP or TFTP) :tftp

Load File Name         :main.bin

                       :

Target File Name       :main.bin

                       :

Server IP Address      :192.168.1.1

Local IP Address       :192.168.1.253

Gateway IP Address     :0.0.0.0

FTP User Name          :user

FTP User Password      :password

以升级主启动文件为例，键入<2>为升级主启动文件：

Loading.....................................................................

............................................................................

.........................Done!

31911744 bytes downloaded!

Updating File flash:/main.bin...............................................

....................................................Done!

==========================<Enter Ethernet SubMenu>==========================

|Note:the operating device is flash                                        |

|<1> Download Application Program To SDRAM And Run                         |

|<2> Update Main Application File                                          |

|<3> Update Backup Application File                                        |

|<4> Update Secure Application File                                        |

|<5> Modify Ethernet Parameter                                             |

|<0> Exit To Main Menu                                                     |

|<Ensure The Parameter Be Modified Before Downloading!>                    |

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

Enter your choice(0-5):

(4)      选择<0>，返回BootWare主菜单。选择<1>，引导系统。