3Com 4500 PWR 26-Port Configuration Manual page 730

Configuration procedure
1) Configure the PC (FTP server)
Perform FTP server–related configurations on the PC, that is, create a user account on the FTP server
with username switch and password hello. (For detailed configuration, refer to the configuration
instruction relevant to the FTP server software.)
2) Configure the switch (FTP client)
# Log in to the switch. (You can log in to a switch through the Console port or by telnetting the switch.
See the Login module for detailed information.)
<Sysname>
If available space on the Flash memory of the switch is not enough to hold the file to be uploaded, you
need to delete files not in use from the Flash memory to make room for the file, and then upload the file
again. The files in use cannot be deleted. If you have to delete the files in use to make room for the file
to be uploaded, you can only delete/download them through the Boot ROM menu.
# Connect to the FTP server using the ftp command in user view. You need to provide the IP address of
the FTP server, the user name and the password as well to enter FTP view.
<Sysname> ftp 2.2.2.2
Trying ...
Press CTRL+K to abort
Connected.
220 FTP service ready.
User(none):admin
331 Password required for admin.
Password:
230 User logged in.
[ftp]
# Enter the authorized directory on the FTP server.
[ftp] cd switch
# Execute the put command to upload the configuration file named config.cfg to the FTP server.
[ftp] put config.cfg
# Execute the get command to download the file named switch.bin to the Flash memory of the switch.
[ftp] get switch.bin
# Execute the quit command to terminate the FTP connection and return to user view.
[ftp] quit
<Sysname>
# After downloading the file, use the boot boot-loader command to specify the downloaded file
(switch.bin) to be the application for next startup, and then restart the switch. Thus the switch
application is upgraded.
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