Hello all, same issue here as many devices in the past. It would help to be able to turn off DHCP server on these devices. I ve read people installing custom firmware to do so. Please advise. Kind...

@BobRush disabling did not work for me as well. When I emptied the list of "Devices in Blacklist", Advanced->Security->Access Control->Devices in Blacklist I was only then able to edit...