detect new devices on network

[Gerry Reno]

Brian Raaen wrote:
> I run a program called ARP-watch on my debian box.  It passively monitors for 
> arps from unknown mac addresses and notifies me.  If you have a box that can 
> listen on all the vlan(s) you have then this seems to work pretty well.  An 
> added plus is it detects not only dhcp clients, but those that try using 
> hardcoded addresses.
>
>   
I was looking at arp-scan but I think ARP-watch may be just right.

Regards,
Gerry