That has been my experience as well (only from the RF side) and I would believe this was a design choice. The ISP usually wants to keep control over the firmware versions of the CM for various technical/support reasons versus having consumers mess with the firmware.
Paul On Wednesday, January 28, 2015 8:11 PM, A MEKKAOUI wrote: > Anyone knows how to upgrade Motorola SB6120 cable modem firmware other > than going through the internet provider? Your help will be appreciated. My employer managed a handful of small DOCSIS networks for a while where 99% of the modems were Motorola, and as far as I know, there is no way to push a firmware update to the modem from the ethernet side...only from the RF side.