Is it possible to have dude sniff packets (or have results fed into Dude from a sniffer) and have it parse the mac addresses/ip addresses?

I am running a copy of Dude on my "master" computer (configured to act as a router/NAT device - it runs windows :( ). It is not detecting some devices on my local network for some reason. The computers in question are running Win XP. Since I am running a DHCP server, what is the best way t...

I saw a post mentioning a probe for dhcp servers, but was unable to get any meaningful results from it. Does anybody know how to make such a probe?