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88 CHAPTER 6: SWITCH MONITORING AND MAINTENANCE
Step 5: Select a right place to store the downloaded file as needed. For
example, enter 2 at the prompt displayed in the last step to download the file
into the Flash of the switch, press Enter, and the system will display the
following information on the terminal:
Please Select File .
XMODEM downloading ...CCC
Step 6: Select [Transfer/Send File] in the terminal window. Click on <Browse> in
the pop-up dialog box (shown as the following figure), select the desired
application, and change the protocol used for downloading to XModem.
Figure 62 Send File dialog box
Step 7: Click Send. The Xmodem dialog box displays.
Step 8: After downloading the program successfully, the system begins to write
the data into the Flash. The downloading operation will end upon a successful
write operation. Then, the system will access the serial interface submenu
again, and the user can make selection as needed. The details will not be
covered here.
XMODEM downloading ...CCC download successfully!
flash:/ s8500.app already exist,
delete it?(Y/N):y
Deleting file------------------------------------------------------
---------------------------------------------------------------Done
Free flash Space : 15862784 bytes
Writing flash------------------------------------------------------
-------------------------------------------------------Done
SERIAL SUBMENU
1. Download file to SDRAM through serial interface and boot
2. Download file to Flash through serial interface
3. Download file to HardDisk through serial interface
4. Modify serial interface boot parameter
0. Return to main menu
Enter your choice(0-4):
Upgrading software through management Ethernet port (TFTP)
1 Introduction to TFTP
Trivial file transfer protocol (TFTP) is well suited to the file transfer between a server
and a client that do not need complex interaction.
In TFTP, the transmission is initiated by the client. When downloading a file, the
client sends a read request packet to the TFTP server, receives the data packets
from the server, and sends the ACK to the server. When uploading a file, the client