You can do that using the arp(8) command # arp -s 10.0.0.2 00:90:27:bb:cc:dd permanent
take a look at the man page of the command I hope this can Help ! On Wed, Oct 28, 2009 at 5:29 PM, Andres Salazar <ndrsslz...@gmail.com>wrote: > Hello, > > I Have dhcp enabled on my LAN which assigns an IP according to the > clients MAC address, however if a user wanted to be malicious he can > statically assign any IP to his NIC. > > Isnt there anyway I can force my ARP tables to only allow IPs to be > assigned if the MAC address matches? > > > Thanks > Andres