RB2011UiAS-2HnD I get the Internet by DHCP After upgrade to 6.42.1 : On 6.42.0 work fine... if ISP (or router before this) dhcp lease is short (i guess it is 5minutes in Your case), with 6.42.1 version mikrotik asks for ip ~30seconds before lease (not ~2min). If there are many dhcp users, a lot bro...