3com 4800G Installationsanweisungen

C

HAPTER

 5: L

OADING

 

THE

 B

OOT

 ROM 

AND

 H

OST

 S

OFTWARE

Trivial file transfer protocol (TFTP), a protocol in TCP/IP protocol suite, is used for 
trivial file transfer between client and server. It uses UDP to provide unreliable data 
stream transfer service.

Figure 66   Load the Boot ROM program through TFTP

 

1 As shown in Figure 66, connect the switch through an Ethernet port to the TFTP 

server, and connect the switch through the console port to the configuration PC.

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2 Run the TFTP server program on the TFTP server, and specify the path of the 

program to be loaded.

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3 Run the terminal emulation program on the configuration PC. Start the switch. 

Then enter the Boot Menu. At the prompt “Enter your choice(0-9):” select 6 in the 
Boot Menu and then press Enter to enter the BootROM update menu shown 
below:

Bootrom update menu:

1. Set TFTP protocol parameter

2. Set FTP protocol parameter

3. Set XMODEM protocol parameter

0. Return to boot menu

Enter your choice(0-3): 

4 Select 1 in the BootROM update menu to download the Boot ROM program using 

TFTP. Then set the following TFTP-related parameters as required:

Load File name

:Switch 4800G.btm

Switch IP address

:1.1.1.2

Server IP address

:1.1.1.1 

5 Press Enter after entering the information above. The system displays the 

following information:

Are you sure to update your bootrom?Yes or No(Y/N) 

6 Enter Y to start file downloading or N to return to the Boot ROM update menu. If 

you enter Y, the system begins to download and update the Boot ROM software. 
Upon completion, the system displays the following information to show the 
loading process is completed:

Loading........................................done

Bootrom updating..........done! 

PC

TFTP Client

TFTP Server

Switch

Console port

Ethernet port