From: Rick DeNatale <rick.denatale@...>
Date: 2007-05-15T23:47:52+09:00
Subject: Re: ARP requests

On 5/15/07, Abhijit Gadgil <gabhijit@gmail.com> wrote:

> Not really sure about how you'd do this in ruby, but I have a
> suggestion, if you are trying to monitor ARP requests on the network
> and also ARP replies I am afraid, you'd not see most (infact all
> except your own) of the ARP replies (standards compliant ARP replies
> are not sent to broadcast MAC address) and you might end up thinking
> nobody replied.

Not sure how to do this from Ruby, but you can put the network adapter
into promiscuous mode.  This causes the adapter to pass all traffic
into the OS, not just traffic addressed to the machine. This is how
tools like ethereal do this.

-- 
Rick DeNatale

My blog on Ruby
http://talklikeaduck.denhaven2.com/