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Performing Diagnostics 13 - 7
4. The unit begins the file download. A message similar to the following
appears:
XMODEM: received 160450 bytes in 00:03:36; 800 bytes/
s transfer rate
After the loaded code for the new firmware is validated, the flash memory
is programmed and the unit will restart with the new code.
The firmware consists of the boot block and the application code. During
the firmware download, the application code is replaced, but the
boot block is not.
When the unit powers up, the boot block checks the integrity of the
application code. If it is valid, the boot block will execute the new firmware.
If it is invalid, the boot block will display an error message on the
Console and the firmware will need to be reloaded.
The only time you should receive an invalid application code is when the
flash memory device fails or the power is interrupted while the flash
memory is in the process of being programmed.
Downloading or Uploading using the File Transfer Protocol (Ftp)
Use the FTP option to download or upload firmware. The Aironet 340
Series Bridge can be an FTP client or FTP server. To upload or download
firmware you can initiate a connection from:
n The Aironet 340 Series Bridge console to a remote PC or host and
retrieve a new version of the firmware.
n The Aironet 340 Series Bridge console to a remote PC or host and
send a copy of the running firmware.
n One Aironet 340 Series Bridge console to another allowing units to
send or receive firmware running locally.
n A PC or host system to an Aironet 340 Series Bridge and send a new
firmware version.
NOTE: Before you download or upload new code versions, make sure you
have set the IP address on all units involved.