mikrotik-633

What's new in 6.33 (2015-Nov-06 12:49): *) dns - initial fix for situation when dynamic dns servers could disappear; *) winbox - dropped support for winbox v3.0beta and v3.0rc (use winbox v3.0); *) dhcpv6 - various improvement and fixes for dhcp-pd client and ippool6; *) defconf - fixed rare situat