以MSR5040路由器、FTP/TFTP服务器主机直连为例操作步骤：1．路由器上电⾃检出现如下的信息：InitDDR........
system start booting......Version 2.11Press CTRL+D to stop auto-bootBooting Normal Extended BootRomDecompressing...done!
Ensure the baudrate is set to 9600bps!Starting at 0xa00000...******************************************************** *
* H3C MSR50-40 BOOTROM, Version 2.13 * * ********************************************************
Copyright(c) 2004-2007 Hangzhou H3C Technologies Co., Ltd.Compiled date: Jul 31 2007, 14:05:28CPU type : MPC8541CPU L1 Cache : 32KBCPU L2 Cache : 256KBCPU Clock Speed : 833MHzMemory Type : DDR SDRAMMemory Size : 512MBMemory Speed : 333MHzBootRom Size : 4096KBCPLD Version is 2.00HardWare Version is 3.00
CF Card is Inserted, now is mounting...
cf:/ - Volume is OKMount CF Card OK!CF Card Size:256MB
Press Ctrl+B to enter extended boot menu...此时键⼊，系统将进⼊BOOTROM菜单。说明：
必须在出现“Press Ctrl-B to enter Boot Menu...”的3秒钟之内，键⼊，系统⽅可进⼊BOOTROM菜单；否则系统将进⼊程序解压过程。若进⼊程序解压过程后再希望进⼊BOOTROM菜单，则需要重新启动路由器。2．进⼊Bootrom界⾯⽤户键⼊后，系统提⽰：Please input Bootrom password:
此时需要⽤户要输⼊BootROM⼝令（路由器出⼚时缺省没有BootROM⼝令，直接回车即可）。若⽤户已经修改过BootROM⼝令，应该输⼊正确的⼝令，若三次⼝令验证未通过，则系统中⽌。3. 选择以太⽹⼝，进⾏配置升级
当⽤户输⼊了正确的BootROM⼝令，系统将出现如下提⽰信息：
======================================== | <1> Boot From CF Card | | <2> Enter Serial SubMenu | | <3> Enter
Ethernet SubMenu | | <4> File Control | | <5> Modify Bootrom Password | | <6> Ignore System Configuration | | <7> Boot RomOperation Menu | | <8> Clear Super Password | | <9> Device Operation | |R eb o o t |
============================================================= Enter your choice(1-a):3选择3进⼊串⼝⼦菜单: Enter Ethernet SubMenu
========================================== |Note:the operating device is C F Card | | <1> Download ApplicationProgram To SDRAM And Run | | <2> Update Main Application File | | <3> Update Backup Application File | | <4> UpdateSecure Application File | | <5> Change Ethernet Parameter | | <6> Exit T o Main M enu | | < Ensure The Parameter Be
Modified Before Downloading! > | ============================================================= Enter yourchoice(1-6):5
选择5对以太⽹⼝进⾏调整4．对FTP参数进⾏设置以太⽹⼝配置菜单：
Note: Two protocols for download, tftp & ftp.
You can modify the flags following the menu except the boot device. tftp--0x80, ftp--0x0.'.' = clear field; '-' = go to previous field; Ctrl+D = quitboot device:motfcc1⽹络下载设备名字，⽆需更改processor number:0 处理器数，⽆需更改host name: host 主机名字，⽆需更改
file name:MSR50-CMW520-R1508P02-SI.BIN与服务器⽂件⼀致inet on ethernet (e) : 10.0.0.1根据实际组⽹进⾏设置inet on backplane (b): ⽆需设置
host inet (h) : 10.0.0.2FTP或TFTP服务器的ip地址gateway inet (g) : ⽹关ip地址，根据实际情况设置
user (u) : bbxz下载⽤户名
ftp password (pw) (blank = use rsh): 123456下载密码
flags (f) : 0x0下载标识，FTP为0x0，TFTP为0x80 target name (tn) : 设置保存在Flas中的⽬标⽂件的名称，⽆需设置startupscript (s) : ⽆需设置other (o) : ⽆需设置4．下载⽂件
选择2将指定⽂件下载到CF卡中作为主启动⽂件
========================================== |Note:the operating device is CF Card | | <1> Download ApplicationProgram To SDRAM And Run | | <2> Update Main Application File | | <3> Update Backup Application File | | <4> UpdateSecure Application File | | <5> Change Ethernet Parameter | | <6> Exit T o Main M enu | | < Ensure The Parameter Be
Modified Before Downloading! > | ============================================================= Enter yourchoice(1-6):2boot device : mottsecunit number : 0processor number : 0host name : host
file name : MSR50-CMW520-R1508P02-SI.BINinet on ethernet (e) : 10.0.0.1host inet (h) : 10.0.0.2user (u) : guest
ftp password (pw) : 123456flags (f) : 0x0
Attached TCP/IP interface to mottsec0.Warning: no netmask specified.Attaching network interface lo0... done.Loading...Done!
18339940 bytes downloaded.
Input the File Name:MSR50-CMW520-R1508P02-SI.BIN//Updating File cf:/msr50-cmw520-r1508p02-si.bin........
Update Success!5．重启升级（版本更换）
下载完毕后重启路由器完成版本升级（更换）操作。【提⽰】
1、MSR 20系列路由器只能使⽤Ethernet0/0端⼝，MSR 30及MSR 50系列路由器只能使⽤GigabitEthernet0/0端⼝。
2、BootROM程序同Comware版本捆绑升级，即⽤户不需要单独升级BootROM程序，在升级最新的Comware版本的同时，系统将⾃动为⽤户升级最新的BootROM程序。3 进⾏软件升级前应确认当前的BootROM版本及应⽤程序版本，以便使⽤正确的⽂件，Comware版本和BootROM程序版本配套关系请参见《版本说明书》中的版本配套表。
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