DHCP Filtering On A Dlink Switch

This is particularly for the DGS-3526. This will block rogue DHCP servers.

create access_profile ip udp src_port_mask 0xFFFF profile_id 10
config access_profile profile_id 10 add access_id 1 ip udp src_port 67 port 25-28 permit
config access_profile profile_id 10 add access_id 2 ip udp src_port 67 port 1-24 deny