On 08/03/07 14:56, Florin Andrei wrote: > arp -s XXX.YYY.ZZZ.KKK -i eth0 -D eth0 pub Remember that ARP (cache) entries are just to tell a host where (what MAC) an IP address (on the same subnet) is at so that the local host does not have to ARP for it. > I tested it, but it doesn't seem to work. I see the ARP requests, but > the server does not respond to it. Just because traffic may be coming to the correct MAC address, there is no guarantee that any thing will be listening or responding at that MAC address for the IP address in question. You would actually have to bind the IP to the MAC for any thing of value to happen out side of sniffing. Grant. . . .