General question about modems

[kvant0x]

yes they do

is there a workaround if no way to get subbed modem for dumping certs, snmp is disabled also. What if to try SB5101 Docsis 2.0 with haxorware and set MAC from box which don't use cert (if I find such box)? I read that many systems still have old cable modems that do not support BPI+ and so operators will enable BPI+ in its most limited mode. In this case, modems that support BPI+ will be required to register with BPI+, but modems that do not support BPI+ will register in BPI mode or with no encryption at all. Should this work in theory?