OpenBSD RDomains

Intro Let’s assume you have a Mikrotik Router which got a Mgmt Interface with IP: ‘’ and DHCP Server enabled. You wann Access the Router via HTTP/HTTPS while offering Internet Services for the Mikrotik Router. You have an APU and OpenBSD running. What do you do ? Setup 2 NIC’s em0: dhcp client, default route, rdomain 0 em3: dhcp client, rdomain 3 Interfaces Interface em0 cat << 'EOF' > /etc/hostname.em0 # Public Internet inet autoconf inet6 autoconf EOF Interface em3