3Com Router User Manual

Upgrade the 3Com Router Main Program Software37
Figure 18   Transfer File dialog box
7Click Browse to open the folder containing the Boot ROM software, select the file, 
change the download protocol to XModem, click Send, and the system will start 
downloading and the following dialog box displays:
Figure 19   The Downloading dialog box
8Upon the completion of the loading operation, the router writes the Boot ROM 
into the Flash or NVRAM, and the following prompts display:
Download completed.
Writing...

38CHAPTER 3: SYSTEM MANAGEMENT
9Restore the baud rate of the terminal emulation program to 9600 bps and press 
Enter for rebooting the router so that the new 3Com Router main program 
software can be run.
TFTP ApproachTFTP is a protocol used for transferring trivial files between clients and servers in 
the TCP/IP suite. It provides low-cost and simple file transfer service. Carried in 
UDP, TFTP provides only the unreliable traffic transmission service without any 
access authorization and...

Upgrade the 3Com Router Main Program Software39
Figure 21   Tftpd32: Set interface
Enter the file directory in the field of Base Directory, and click OK for 
confirmation.
The setting interface may vary with different TFTP server program software.
2Connect the router
aSelect an Ethernet interface for downloading on the router.
3Com Router series support application loading on a particular Ethernet 
interface. 
■Select Ethernet0 for 5231 Routers.
■On an Router 5640, check the slots for a 1-port...

40CHAPTER 3: SYSTEM MANAGEMENT
NETWORK INTERFACE PARAMETERS:
Do you want a LAN interface?  [N] y
This boards LAN IP address? [169.254.1.1] 10.110.10.1
Subnet mask for LAN (0 for none)? [255.255.0.0]
TFTP SERVER PARAMETERS:
IP address of the TFTP server? [169.254.75.166] 10.110.10.13
What is the name of the file to be loaded and started? [m8240ram.arj]
How long (in seconds) should CPU delay before starting up? [5]
The IP address of the TFTP server? [169.254.75.166] must be set to the IP 
address of the PC...

Upgrade the 3Com Router Main Program Software41
Input the Boot ROM password at the prompt. (By default, no ex-factory Boot ROM 
password is set on the router. Simply press Enter in this case.) If the Boot ROM 
password has been modified, enter the correct password. The system terminates 
the process if the password authentication attempts fails three times.
5The system displays the following prompts upon input of the correct Boot ROM 
password:
Boot Menu:
1: Download application program with XMODEM
2:...

42CHAPTER 3: SYSTEM MANAGEMENT
After a client originates a control connection to a server by using the port 
command and uses a randomly assigned FTP port to establish the control link with 
port 21 on the server, the link will be in place until there is no data waiting for 
transmission. The server uses port 20 to establish data link with the client for data 
transmission.
The 3Com Router can provide you with the FTP server service. That is, the router 
works as a TFTP server, and a subscriber can run...

Upgrade the 3Com Router Main Program Software43
remote FTP user sends a request to the FTP server, and the server will perform 
actions accordingly and return the execution result to the subscriber.
Perform the following configuration in system view.
Ta b l e 18   Enable FTP server
Upgrade the 3Com Router Main Software with FTP
1Assign an IP address to the interface on the router for connecting the router to the 
host running the FTP client program.
2Using the Windows98 FTP client program as an example —...

44CHAPTER 3: SYSTEM MANAGEMENT
7At the prompt ftp>, appearing after the file uploading is completed, enter the dir 
command to display the file name and size on the router. If the uploading 
operation is successful, the program or configuration file on the router and the 
uploaded file on the host should have the same size.
8At the prompt ftp>, enter the quit command to exit the FTP client program.
9The router writes the files into the Flash after receiving all of them, and the 
following information...

Configure On-Line Upgrading of the Card45
Configure On-Line 
Upgrading of the CardThe 3Com Router 1.x supports on-line upgrading of such cards as 2SA/4SA, E1VI 
and 6AM/12AM. While upgrading, the host acts as FTP Server and the router to be 
upgraded as the FTP Client. The host and the router coordinate to download the 
card upgrading files.
When you complete the installation of the FTP application, you can execute 
Serv-u.exe and configure the serv-u FTP according to the following steps:
1Click...

46CHAPTER 3: SYSTEM MANAGEMENT
Figure 24   Path Name dialog box
Select the check boxes Read, Write and Delete in FILES and click OK to return.
Figure 25   Edit Users/Group check box 
4The cards can be upgraded on-line after the on-line upgrading files are copied to 
the path of the serv-u FTP.
Perform the following configuration in the system view.
Ta b l e 20   Configure on-line upgrading of the card
5The system will display the following information according to different situations:
If the on-line...