No direct download is available for offline installation.
Modern, database-driven OS used on the 6000, 6100, 6300, and 8000 series. Best Practices for Installation aruba switch firmware download new
Most Aruba switches have two "flash" locations: Primary and Secondary . It is a best practice to download the new firmware to the non-default partition first to test stability before overwriting your primary boot image. No direct download is available for offline installation