I have a problem with my Archer VR1600v router/modem in that the "blacklist" feature is not working. I have a device which talks via both WiFi and Ethernet cable with separate MAC addresses for each. I set the WiFi MAC address in the Advanced -> Security -> Access Control blacklist section of the router/modem and Save it, but it allows the connection anyway. I thinking a firmware update for the router/modem may fix the problem? ... View more