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Old 10th November 2008
BSDfan666 BSDfan666 is offline
Real Name: N/A, this is the interweb.
Join Date: Apr 2008
Location: Ontario, Canada
Posts: 2,223

If you mean queried, no.. sounds like you need to brush up on your basic networking skills.

When a system on your network attempts to connect to an IP address, an action not unlike a DNS lookup occurs.

Host #1 broadcasts a "Who is Host #2" message to the subnet, Host #2 notices this request and responds to Host #1 saying "That's me, I'm Host #2!".

Can you determine the MAC address of every system? Yes.. via brute force, there is no passive method I'm aware of.
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