RB951Ui-2nD, versions 6.42rc56, 6.41.4, 6.40.7, 6.39.2, 6.38.5, winbox to MAC server on ether5. (1) On a clean system (after a full config reset without defaults) do: /ip dhcp-client add disabled=no interface=ether5 Address successfully acquired. (2) After rollback do it with bridge: /interface brid...