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Software Upgrade 89
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, i.e., binary for program transmission and ASCII for text transmission.
Following is the upgrading procedure described taking the Switch 8814 working
as a TFTP Client as an example.
2 TFTP upgrade procedure
Step 1: Connect the Switch to a PC where the desired file is located via the
management/upgrade Ethernet port. (In this case, you should know 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 desired file) via the Console port.
Step 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.
Step 3: Run the terminal emulation program on the PC connected to the Console
port, and boot the switch to access the Boot menu.
Step 4: Enter 5 in the Boot menu. Press Enter and the system will access the
download application program menu.
ETHERNET SUBMENU
1. Download file to SDRAM through ethernet interface and boot
2. Download file to Flash through ethernet interface
3. Download file to HardDisk through ethernet interface
4. Modify ethernet interface boot parameter
0. Return to main menu
Be sure to select 4 to modify boot parameter before downloading!
Enter your choice(0-4): 4
Step 5: Enter 4 in the download application program menu to select TFTP for the
software upgrading. Press Enter and then you can begin to set the related TFTP
parameters:
Note: Two protocols for download, tftp & ftp.
You can modify the flags following the menu.
tftp--0x80, ftp--0x0.
n
The information above prompts you to set the flags to 0x80 when you download
files using TFTP and to 0x0 if using FTP.
’.’ = clear field; ’-’ = go to previous field; ^D = quit
boot device :fei0
processor number :
host name : 8500 ,
file name : 8500.app
inet on ethernet (e) : 1.1.1.1
inet on backplane (b):
host inet (h) : 1.1.1.2
gateway inet (g) :
user (u) :
ftp password (pw) (blank = use rsh):
flags (f) :0x80
target name (tn) :
startup script (s) :
other (o) :
Write flash...done!