finding remote MAC address

[Michael O'Donnell]

>> arp -a to view the arp table which will have mac/ip in it.
>
> That will only work from inside of a subnet.  You will see that
> the MAC address for the remote host (outside of the subnet) will
> be the same MAC address of the router.

If he's just concerned with DHCP, though, isn't likely that the
addrs in questions will be on the same subnet.  Unless they're
doing something like DHCP proxy, maybe...