
A-6
File Transfers
Downloading an Operating System (OS)
File Transfers
1. Execute copy as shown below:
Figure A-3. Example of the Comma nd to Download an OS
2. When the switch finishes downloading the OS file from the server, it 
displays this progress message:
Validating and Writing System Software to FLASH . . .
3. When the download finishes, you must reboot the switch to implement 
the newly dowloaded OS. To do so, use one of the following commands:
boot system flash <primary | secondary>Reboots from the selected
flash.
-or-
reload Reboots from the flash image
currently in use.
(For more on these commands, see “Rebooting the Switch” on page  5-17.) 
4. To confirm that the operating system downloaded correctly, execute show 
system and check the Firmware revision line.
If you need information on primary/secondary flash memory and the boot 
commands, see “Using Primary and Secondary Flash Im age Options” on page 
5-11.
Using Xmodem to Download an OS Image From a PC or UNIX WorkstationThis procedure assumes that:
■The switch is connected via the Console RS-232 port to a PC operating as 
a terminal. (Refer to the Installation and Getting Started Guide you 
received with the switch for informat ion on connecting a PC as a terminal 
and running the switch console interface.)
■The switch operating system (OS) is stored on a disk drive in the PC.
Dynamic counter continually displays the 
number of bytes transferred.
This message means that the image you 
want to upload will replace the image 
currently in primary flash.