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90 CHAPTER 6: SWITCH MONITORING AND MAINTENANCE
Figure 63 Send File dialog box
8 Click Send. The Xmodem dialog box displays.
9 After downloading the program successfully, the system begins to write the data
into the Flash memory. When the download is finished, the serial interface displays
the following submenu again.
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 the Software
Using TFTP
Trivial File Transfer Protocol (TFTP) transmissions are 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 sends a write request packet to the TFTP server, then
sends the data packets to the server, and receives the ACK from the server. The
TFTP transmission files have two forms; binary for program transmission and ASCII
for text transmission.
To upgrade the software using TFTP perform the following steps.
n
This procedure uses a Switch 8814 work as the TFTP client.
1 Connect the switch to a PC where the file is located using the
management/upgrade Ethernet port. (You need the IP address of the PC. At the
same time, connect the switch to an external PC (that can be the same one that
contains the file) using the console port.
2 Run the TFTP server program on the PC connected to the management/upgrade
Ethernet port and specify the path for upgrading the application files.
3 Run the terminal emulation program on the PC connected to the console port,
and boot the switch to access the Boot menu.