• How to extend ISC DHCP to serve over 14.1 million IPs

    There are very few scenarios that would require a DHCP server to offer over 14.1 million IPs, but if you happen to encounter one, you may find that your ISC DHCP server immediately segfaults at startup or reports a vague error message and fails to start. Let’s assume that you need to serve a full /8 CIDR block (16.7 million IPs) from your DHCP server.