锐捷中低端交换机（10.x版本）的主程序丢失后，如何在CTRL层升级

升级要点

升级期间务必确保交换机的正常供电，避免中途掉电；
升级时，远程电脑一定要运行TFTP软件
电脑用网线和交换机的第一个接口相连接，用于传输主程序。
电脑上把startftp软件（tftp服务器）与主程序文件发在同一个目录并打开

使用CONSOLE线登陆设备，具体步骤参见->设备维护管理 ----console管理

注意：设备在重启过程中，按ctrl+C进入CTRL层，升级软件版本

Ctrl Version: RGNOS 10.2.00(3), Release(39267)
Press Ctrl+C to enter Ctrl Menu         ------>按CTRL+C进入CTRL层
====== Ctrl Menu("Ctrl+Z" to upper level) ======
**************************************
    TOP menu items.
**************************************
    0. Tftp utilities.

    1. XModem utilities.

    2. Run Main.

    3. Run a Executable file.

    4. File management utilities.

    5. Scattered utilities.
**************************************
Press a key to run the command: 0   ------>选择  0

====== Ctrl Menu("Ctrl+Z" to upper level) ======

**************************************
    Tftp utilities.
**************************************
    0. Upgrade CTRL.

    1. Upgrade Main program.

    2. Download a file to filesystem.

    3. Down to memory and jump to run.
*************************************
Press a key to run the command: 1       ------>选择 1
Plz enter the Local IP:[1.1.1.1]: 192.168.1.1    ------>交换机的ip地址
Plz enter the Remote IP:[1.1.1.2]: 192.168.1.2   ------>电脑的ip地址
Plz enter the Filename:[S3250_10.2(2).bin]: S3250_10.2(2).bin------>放在电脑上的主程序名称

传输成功后，断电重启设备，正常启动后输入以下命令查看是否升级成功。

Ruijie>show version

RGOS 10.4之后的版本CTRL下升级案例RGOS 10.4之后的版本CTRL下升级案例

升级要点

升级期间务必确保交换机的正常供电，避免中途掉电；
升级时，远程电脑一定要运行TFTP软件；
电脑用网线和交换机的第一个接口相连接，用于传输主程序；
电脑上把startftp软件（tftp服务器）与主程序文件发在同一个目录并打开

使用CONSOLE线登陆设备，具体步骤参见->设备维护管理 ----console管理

注意：设备在重启过程中，按ctrl+C进入CTRL层，升级软件版本

System bootstrap ...
Nor Flash ID: 0x017E1000, SIZE: 8388608Bytes
Press Ctrl+B to enter Boot Menu .....
Load Ctrl Program ...
Executing program, launch at: 0x00010000
Self decompressing the image :
################################################################################################################################################################################################## [OK]

Ctrl Versio2) Release(88430)
MTD_DRIVER-5-MTD_NAND_FOUND: 1 NAND chips(chip size : 134217728) detected
1 nand chip(s) found on the target.
Press Ctrl+C to enter Ctrl   ------>按CTRL+C进入CTRL层

Hot Commands:
-------------------------------
F1. tftp help
-------------------------------

Ctrl>^C

Ctrl>tftp 192.168.0.1 192.168.0.2 rgos.bin -main       ------>  输入升级命令

注释：其中192.168.0.1 为用户定义的交换机IP，192.168.0.2 为升级PC的IP地址，rgos.bin 为PC上主程序的文件名，-main 作为主程序

Now, begin download program through Tftp...

Host IP[192.168.0.2]  Target IP[192.168.0.1]  File name[rgos.bin]
                  %Now Begin Download File rgos.bin From 192.168.0.2 to 192.168.0.1
send download request.
send download request.!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

      %Mission Completion. FILELEN = 7952864
Tftp download OK, 7952864 bytes received!
Verify the image .[ok]
CURRENT PRODUCT INFORMATION :
  PRODUCT ID: 0x20110050
  PRODUCT DESCRIPTION: N/A
SUCCESS: UPGRADING OK.
Ctrl>load     ------>加载主程序

升级启动完成,输入以下命令查看是否升级成功