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Or just parse `arp -a`.

Update: The original question seems clearly to be about Windows, which does come with "arp" (I think Win2K was mentioned in the chatterbox). Your mention of "root access" makes me wonder whether Net::Packet will work on Win2K, but I don't find it on CPAN so I didn't go any further trying to check that out.

I didn't say the method that I mentioned was the only way, of course.

Update2: Thanks for the clarifications, jepri. I can still roll code to parse `arp -a` faster than I can download NetPacket and pcap much less install them and get them working (heck, nearly faster than I can find NetPacket given how slow http://search.cpan.org/ is these days). So if all I'm interested in the MAC addresses, I'll stick with arp output unless I've already gotten NetPacket working for other reasons.

But I didn't reply to criticize your suggestion. I just waited a while and noted that no one else had mentioned "arp -a" yet so I thought it should be part of the thread. So I decided to post it in reply a node that mentioned something acurate and your fact about all TCP/IP stacks having to support ARP won. (:

        - tye (but my friends call me "Tye")

In reply to (tye)Re: MAC Address and NIC Device on Network. by tye
in thread MAC Address and NIC Device on Network. by tapesorcdz

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