Allied Telesis AT 8000/8POE - Manual (Page 210)

Chapter 17: Working With System Files
210 Section I: Using the Menus Interface
4. Type S to select Set TFTP Server IP Address.
The following prompt is displayed:
Enter IP address of TFTP server:
5. Enter the IP address of the TFTP server.
6. Type F to select Set Image File Name.
The following prompt is displayed:
Enter file name>
7. Enter the file name of the AT-S81 image file on the TFTP server.
8. Type R to select Set Retry Count.
The following prompt is displayed:
Enter retry count>
9. Enter the number of times you want the switch to retry in the event a
problem occurs during the download process. The range is 1 to 20.
The default is 5 times.
10. To begin the download, type U to select Upgrade Image and Reboot.
The following prompt is displayed:
Download file? (Y/N)>
11. Type Y for yes to begin the upgrade or N for no to cancel the
procedure.
If you select yes, the software immediately begins to download the file
onto the switch. After the software download is complete, the switch
initializes the software and reboots. You will lose your local
management connection to the switch during the reboot process.
Note
Do not interrupt the file download and reboot processes.