1、  烧OS前操作准备：交叉线、串口线；设置本地IP地址与防火墙同一网段，能相互通讯；下载TFTP软件，解压到当前文件，复制Fortinet_OS到本目录下；
 

2、打开---超级终端；

3、给设备加电：  // 按Enter键

FGT50 (19:33-06.05.2003)
Ver:03000300
Serial number:FGT-5028030xxxxx
RAM activation
Total RAM: 128MB
Enabling cache...Done.
Scanning PCI bus...Done.
Allocating PCI resources...Done.
Enabling PCI resources...Done.
Zeroing IRQ settings...Done.
Verifying PIRQ tables...Done.
Boot up, boot device capacity: 30MB.
Press any key to display configuration menu...
.
[G]: Get firmware image from TFTP server.
[F]: Format boot device.
[Q]: Quit menu and continue to boot with default firmware.
[H]: Display this list of options.

Enter G,F,Q,or H: ( 选择'F')

Formatting boot device...
...............
Format boot device completed.

Enter G,F,Q,or H: ( 选择'G')

Enter TFTP server address [192.168.1.168]: 192.168.1.22   //输入TFTP服务器的IP地址
Enter local address [192.168.1.188]: 192.168.1.23         //任意的和TFTP服务器同网段的IP地址
Enter firmware image file name [image.out]: FGT_50B-v300-build0415-FORTINET.out  //输入Fortinet_OS称名
MAC:00:09:0f:0a:1a:7c
##########   //加载过程中。。。（如：图）

 Total 10643362 bytes data downloaded.
Verifying the integrity of the firmware image.

Total 28000kB unzipped.
Save as Default firmware/Run image without saving:[D/R]? (选择 'D' )
Programming the boot device now.
The system must format the boot device to install this firmware.
The default and backup firmware will be deleted.
Continue (Y/N)?: ( 选择'Y' )
....................
Reading boot image 1368285 bytes.
Initializing firewall...
System is started.

Fortigate-50 login: admin
Password:
Welcome !

Fortigate-50 #

完成！

本文转自 yhw85 51CTO博客，原文链接：http://blog.51cto.com/yanghuawu/662438，如需转载请自行联系原作者