华三交换机 S5120 series

5120具体型号？首先登陆官网下载和你交换机对应型号的板件版本：

http://www.h3c.com/cn/Service/Document_Software/Software_Download/Switches/

下载用户名：yx800  密码：01230123 

在H3C S5120 系列以太网交换机 选择正确的型号

然后找个tftp软件，在升级的电脑上启动tftp软件，网线连接交换机，console口登录交换机后，按如下方式升级：

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

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

按下<Enter>键后，系统进入BootWare主菜单：

Password recovery capability is enabled.                                       

Note: The current operating device is flash                                    

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+C: Display Copyright                                                      

Ctrl+F: Format File System                                                      

Enter your choice(0-9):

(2)      以太网子菜单

在BootWare主菜单下键入<3>，进入以太网子菜单，系统显示如下：

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

|Note:the operating device is flash                                        |   

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

|<2> Update Main Application File                                          |   

|<3> Modify Ethernet Parameter                                             |   

|<0> Exit To Main Menu                                                     |   

|<Ensure The Parameter Be Modified Before Downloading!>        

此界面再次选择     <3> Modify Ethernet Parameter              

配置以太网口参数

在通过以太网口升级应用程序前，需要对AP的以太网口进行配置，请按如下进行配置：

在BootWare主菜单中键入<3>，进入以太网子菜单，然后键入<5>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         :S5120xxx.bin   /实际的系统软件名字/

Target File Name       :S5120xxx.bin

Server IP Address      :192.168.0.1

Local IP Address       :192.168.0.50      （将连接的电脑地址设置成192.168.0.50，并启动tftp软件，将下载的版本文件该名成 S5120xxx.bin  ，并放在tftp的根目录下）

Gateway IP Address     :

FTP User Name          :

FTP User Password      :

以上配置均完成后，在BootWare主菜单下键入<2> Update Main Application File  ，系统开始升级主应用程序：  

升级完成后键入<0>，返回BootWare主菜单，然后键入<1>，启动系统